CN107171874B - A voice engine switching method, mobile terminal and server - Google Patents

Abstract

The present invention provides a voice engine switching method, a mobile terminal and a server, and relates to the technical field of mobile communications. The method is applied to a mobile terminal. The method includes: sending a voice engine switching request to a server; receiving a currently available target voice fed back by the server The instruction information of the engine; according to the instruction information, switch the current speech engine of the mobile terminal to the target speech engine, and use the target speech engine for speech service. The present invention solves the problem that the voice service is interrupted or the voice assistant cannot be used when the voice engine is abnormal.

Description

A voice engine switching method, mobile terminal and server

technical field

The present invention relates to the technical field of mobile communication, in particular to a voice engine switching method, a mobile terminal and a server.

Background technique

A voice assistant is a kind of application that can realize query and operation through voice interaction. Through this kind of application, the convenience of operating a mobile phone in different scenarios can be greatly improved. The speech engine is a core part of a voice assistant-like application. Usually, when a voice engine fails or the voice service is abnormal, the entire voice assistant will be abnormal. In order to avoid this situation, multiple voice engines need to be prepared at the same time to deal with this unexpected situation.

However, the current voice assistant has certain limitations, usually only supports the built-in, but does not support the switching of multiple voice engines, which will cause when the voice service corresponding to the built-in voice engine is abnormal, the voice service is interrupted or the voice assistant cannot use.

SUMMARY OF THE INVENTION

The present invention provides a voice engine switching method, a mobile terminal and a server, the purpose of which is to solve the problems of current voice assistant applications, when the built-in voice engine is abnormal, the voice service is interrupted or the voice assistant cannot be used.

On the one hand, an embodiment of the present invention provides a voice engine switching method, the method is applied to a mobile terminal, and the method includes:

Send a voice engine switching request to the server;

Receive the indication information of the currently available target speech engine fed back by the server;

According to the instruction information, the current voice engine of the mobile terminal is switched to the target voice engine, and the target voice engine is used for voice service.

On the other hand, an embodiment of the present invention also provides a voice engine switching method, which is applied to a server, and the method includes:

receiving a voice engine switching request of the mobile terminal;

Query the currently available voice engine and the QoS parameters of the voice engine. The QoS parameter is a value determined according to the current congestion level of the voice engine and the connection success rate;

According to the quality of service parameters, select a target speech engine from the currently available speech engines;

Send the instruction information of the target speech engine to the mobile terminal.

In another aspect, an embodiment of the present invention also provides a mobile terminal, including:

A request sending module is used to send a voice engine switching request to the server;

an information receiving module, used for receiving the indication information of the currently available target speech engine fed back by the server;

The engine switching module is used to switch the current voice engine of the mobile terminal to the target voice engine according to the instruction information, and use the target voice engine for voice service.

In another aspect, an embodiment of the present invention also provides a server, including:

a request receiving module for receiving a voice engine switching request of the mobile terminal;

The parameter query module is used to query the currently available voice engine and the service quality parameter of the voice engine, and the service quality parameter is a value determined according to the current congestion level of the voice engine and the connection success rate;

The engine selection module is used to select a target speech engine from the currently available speech engines according to the service quality parameter;

The information sending module is used for sending the instruction information of the target voice engine to the mobile terminal.

On the other hand, an embodiment of the present invention also provides a mobile terminal, including: a memory, a processor, and a computer program stored in the memory and running on the processor, and the above-mentioned voice engine switching is implemented when the processor executes the computer program steps in the method.

In yet another aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored thereon, and when the computer program is executed by a processor, the steps in the above voice engine switching method are implemented.

On the other hand, an embodiment of the present invention also provides a server, including: a memory, a processor, and a computer program stored in the memory and running on the processor, the above-mentioned voice engine switching is implemented when the computer program is executed by the processor steps in the method.

In this way, in the voice engine switching method, mobile terminal and server provided by the present invention, when the current voice engine service of the mobile terminal is abnormal, a voice engine switching request is sent to the server, and the instruction information carrying the target voice engine fed back by the server is received, according to The instruction information is switched to the target voice engine, so that the current voice service of the mobile terminal can continue, thereby avoiding the situation that the voice service is interrupted or the voice assistant applications cannot be used due to the abnormal voice engine service.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the drawings that are used in the description of the embodiments of the present invention. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

1 shows a flowchart of steps of a voice engine switching method provided by an embodiment of the present invention;

FIG. 2 shows a block diagram of a mobile terminal provided by an embodiment of the present invention;

3 shows a flowchart of steps of a voice engine switching method provided by another embodiment of the present invention;

4 shows a block diagram of a server provided by another embodiment of the present invention;

Figure 5 represents one of the flow charts of steps of a specific example of the present invention;

Fig. 6 represents the second step flow chart of the specific example of the present invention;

FIG. 7 shows a block diagram of a mobile terminal provided by another embodiment of the present invention;

FIG. 8 shows a block diagram of a mobile terminal provided by another embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to FIG. 1, an embodiment of the present invention provides a voice engine switching method, which is applied to a mobile terminal. The method includes:

Step 101, sending a voice engine switching request to the server.

The server may be a server in the cloud, and the server exchanges data with the mobile terminal, receives a voice switching request from the mobile terminal, and the like. When the voice engine service of the mobile terminal is abnormal, the mobile terminal sends a voice engine switching request to the server.

Step 102, receiving the indication information of the currently available target speech engine fed back by the server.

The server queries the currently available voice engine of the mobile terminal according to the voice engine switching request sent by the mobile terminal, and feeds back the instruction information including the target voice engine to the mobile terminal, and the mobile terminal receives the information fed back by the server, and obtains information including the target voice engine. instruction information.

Step 103 , according to the instruction information, switch the current speech engine of the mobile terminal to the target speech engine, and use the target speech engine for speech service.

Among them, according to the instruction information fed back by the server, the target voice engine is determined, and the current voice engine that is being served by the voice assistant application of the mobile terminal is switched to the target voice engine, and the voice service is continued through the target voice engine to avoid service interruption. .

In this way, when the current voice engine service of the mobile terminal is abnormal, it sends a voice engine switching request to the server, and receives the instruction information that carries the target voice engine fed back by the server, and switches to the target voice engine according to the instruction information, so that the current voice engine of the mobile terminal is changed. Service can continue without interruption of voice service or unavailability of voice assistant-like applications due to abnormal voice engine service. The server side can be set up with multiple voice engines serving the mobile terminal. When switching is required, multiple choices can be provided for the mobile terminal to improve the user experience.

Preferably, step 101 includes:

When detecting that the current voice engine service fails, send a voice engine switching request to the server;

or,

According to the preset switching frequency, a voice engine switching request is sent to the server.

Specifically, when the mobile terminal detects that the voice engine service fails, it can send a voice engine switching request to the server, so that the mobile terminal can switch to a new voice engine in time to avoid voice service interruption or voice assistant applications being unavailable.

Alternatively, the mobile terminal may periodically send a voice engine switching request to the server according to the preset switching frequency, and switch the voice engine regularly, so as to ensure that the voice engine is in a normal working state and improve the service quality.

Preferably, before step 103, the method further includes:

Determine whether the mobile terminal has the data packet of the target voice engine:

If the judgment result is no, download and install the data package of the target speech engine.

Among them, after determining the target voice engine, it is necessary to judge whether the mobile terminal has the data package of the engine: if so, the target voice engine can be used directly for voice services, such as the functions of voice recognition, voice broadcast and voice content feedback; If the result is no, the data package for the target speech engine is downloaded and installed.

Preferably, the steps of detecting the failure of the current voice engine service include:

Receive a message that the current voice engine fails to connect with the server of the current voice engine or that the connection times out.

Among them, when the mobile terminal receives the message that the current voice engine fails to connect with the server of the engine, or the connection times out or other abnormal connections, and confirms that the previous voice engine service failed, it will send a voice engine switching request to the server in time to avoid affecting the user's Normal use.

In the above-mentioned embodiment of the present invention, when the current voice engine service of the mobile terminal is abnormal, the mobile terminal sends a voice engine switching request to the server, and receives the instruction information that carries the target voice engine fed back by the server, and switches to the target voice engine according to the instruction information, This enables the current voice service of the mobile terminal to continue without the need for the voice service to be interrupted or the voice assistant applications to be unavailable due to the abnormal voice engine service. And the mobile terminal can automatically send a voice engine switching request to the server according to the preset switching frequency, and switch the voice engine regularly, so as to ensure that the voice engine is in a normal working state and improve the service quality. The server side can also be provided with multiple voice engines serving the mobile terminal. When switching is required, multiple options are provided for the mobile terminal to improve the user experience. The present invention solves the problems of current voice assistant applications, when the voice engine is abnormal, the voice service is interrupted or the voice assistant cannot be used.

Referring to FIG. 2, an embodiment of the present invention provides a mobile terminal 200, including:

The request sending module 201 is configured to send a voice engine switching request to the server.

The server may be a server in the cloud, and the server performs data interaction with the mobile terminal 200, receives a voice switching request from the mobile terminal 200, and the like. When the voice engine service of the mobile terminal 200 is abnormal, the mobile terminal 200 sends a voice engine switching request to the server.

The information receiving module 202 is configured to receive the indication information of the currently available target speech engine fed back by the server.

The server queries the currently available voice engine of the mobile terminal 200 according to the voice engine switching request sent by the mobile terminal 200, and feeds back the instruction information including the target voice engine to the mobile terminal 200, and the mobile terminal 200 receives the information fed back by the server and obtains Contains instructions for the target speech engine.

The engine switching module 203 is configured to switch the current voice engine of the mobile terminal 200 to the target voice engine according to the instruction information, and use the target voice engine to perform voice service.

The target voice engine is determined according to the instruction information fed back by the server, and the current voice engine that is being served by the voice assistant application of the mobile terminal 200 is switched to the target voice engine, and the voice service is continued through the target voice engine to avoid service interrupt.

Optionally, the request sending module 201 includes:

The first sending submodule is used to send a voice engine switching request to the server when detecting that the current voice engine service fails;

or,

The second sending sub-module is configured to send a voice engine switching request to the server according to the preset switching frequency.

Optionally, the mobile terminal 200 further includes:

The judgment module is used to judge whether the mobile terminal 200 has the data packet of the target voice engine:

If the judgment result is no, download and install the data package of the target speech engine.

Optionally, the first sending submodule is used for:

Receive a message that the current voice engine fails to connect with the server of the current voice engine or that the connection times out.

In the above-mentioned embodiment of the present invention, when the current voice engine service of the mobile terminal 200 is abnormal, the mobile terminal 200 sends a voice engine switching request to the server, receives the instruction information that carries the target voice engine fed back by the server, and switches to the target voice engine according to the instruction information. , so that the current voice service of the mobile terminal 200 can continue without interruption of the voice service or unusable voice assistant applications due to the abnormal voice engine service. Moreover, the mobile terminal 200 can automatically send a voice engine switching request to the server according to the preset switching frequency, and switch the voice engine regularly, so as to ensure that the voice engine is in a normal working state and improve the service quality. The server side can also be provided with multiple voice engines serving the mobile terminal 200, and when switching is required, multiple options are provided for the mobile terminal 200 to improve the user experience.

Referring to FIG. 3, another embodiment of the present invention provides a voice engine switching method, applied to a server, including:

Step 301: Receive a voice engine switching request from a mobile terminal.

The server may be a server in the cloud, and the server exchanges data with the mobile terminal, receives a voice switching request from the mobile terminal, and the like.

Step 302 , query the currently available speech engine and the service quality parameter of the speech engine, and the service quality parameter is a value determined according to the current congestion level of the speech engine and the connection success rate.

Wherein, the server queries the currently available voice engines according to the voice engine switching request sent by the mobile terminal, and queries the service quality parameters of the currently available voice engines, and the service quality parameters are reference parameters for evaluating the service quality currently provided by the voice engine, at least Determined according to the current congestion level of the voice engine and the connection success rate. Usually, the degree of congestion and the connection success rate have a greater impact on the service quality of the voice engine.

Step 303, according to the quality of service parameter, select a target speech engine from the currently available speech engines.

Among them, the speech engine with the optimal service quality parameter can be selected as the target speech engine and sent to the mobile terminal.

Step 304, sending the indication information of the target speech engine to the mobile terminal.

The instruction information including the target voice engine is fed back to the mobile terminal, so that the mobile terminal receives the information fed back by the server, and switches the voice engine according to the instruction information.

Preferably, the connection success rate is the connection success rate between the speech engine and the server of the speech engine;

The quality of service parameter is a comprehensive weight obtained by weighting and summing the current congestion degree and the connection success rate according to the preset weight.

Specifically, the connection success rate is the connection success rate between the voice engine and the server of the voice engine, and the voice service can be provided only after the voice engine and its server are successfully connected.

The quality of service parameter is a comprehensive weight obtained by weighted summation according to the current congestion level and the connection success rate, to ensure that the target voice engine selected by the server is a voice engine with better service quality.

In the above-mentioned embodiment of the present invention, when a voice engine switching request sent by the mobile terminal is received, the currently available voice engine and the service quality parameters of the voice engine are inquired, the voice engine with better service quality is used as the target voice engine, and the The instruction information of the target voice engine is sent to the mobile terminal, so that the mobile terminal switches to the target voice engine according to the instruction information, so that the current voice service of the mobile terminal can continue without interruption of voice service or voice assistant due to abnormal voice engine service. Class applications cannot be used. The server side can be set up with multiple voice engines serving the mobile terminal. When switching is required, multiple choices can be provided for the mobile terminal to improve the user experience.

Referring to FIG. 4, an embodiment of the present invention provides a server 400, including:

The request receiving module 401 is configured to receive a voice engine switching request of the mobile terminal.

The server 400 may be a server in the cloud, and the server 400 performs data interaction with the mobile terminal, receives a voice switching request from the mobile terminal, and the like.

The parameter query module 402 is used to query the currently available speech engine and the service quality parameter of the speech engine, and the service quality parameter is a value determined according to the current congestion level of the speech engine and the connection success rate.

Wherein, the server 400 queries the currently available voice engine according to the voice engine switching request sent by the mobile terminal, and queries the service quality parameter of the currently available voice engine, and the service quality parameter is a reference parameter for evaluating the service quality currently provided by the voice engine, At least it depends on the current congestion level of the speech engine and the connection success rate. Usually, the degree of congestion and the connection success rate have a greater impact on the service quality of the voice engine.

The engine selection module 403 is configured to select a target speech engine from currently available speech engines according to the service quality parameter.

Among them, the speech engine with the optimal service quality parameter can be selected as the target speech engine and sent to the mobile terminal.

The information sending module 404 is configured to send the indication information of the target voice engine to the mobile terminal.

The instruction information including the target voice engine is fed back to the mobile terminal, so that the mobile terminal receives the information fed back by the server 400 and switches the voice engine according to the instruction information.

Preferably, the connection success rate is the connection success rate between the speech engine and the server 400 of the speech engine;

The quality of service parameter is a comprehensive weight obtained by weighting and summing the current congestion degree and the connection success rate according to the preset weight.

In the above-mentioned embodiment of the present invention, when a voice engine switching request sent by the mobile terminal is received, the currently available voice engine and the service quality parameters of the voice engine are inquired, the voice engine with better service quality is used as the target voice engine, and the The instruction information of the target voice engine is sent to the mobile terminal, so that the mobile terminal switches to the target voice engine according to the instruction information, so that the current voice service of the mobile terminal can continue without interruption of voice service or voice assistant due to abnormal voice engine service. Class applications cannot be used. The server 400 can be provided with multiple voice engines serving the mobile terminal, and when switching is required, multiple options are provided for the mobile terminal to improve the user experience.

Optionally, as a specific example, referring to FIG. 5 , the voice engine switching of the mobile terminal mainly includes the following steps:

Step 501: The voice assistant application program determines the type of voice service.

In the process of voice service, the voice assistant application can preset the rules for acquiring data to determine the type of voice service, such as json data, key and value pairs.

For example, ["source_type":"meishi","more_url":"http://baidu.com/"];

Among them, source_type is key, value is meishi;

When the value obtained by the key is meishi, the corresponding value value, that is, the url address, is obtained from the data whose key value is more_url, and the food information is displayed to the user;

Other vertical services can also be set, such as chat, then the value corresponding to source_type may be chat, and the value corresponding to the corresponding key value in the jason field is displayed.

Step 502 : When abnormality of the voice service is detected, or through a preset switching frequency, a voice engine switching request is sent to the server.

Step 503: Receive the indication information of the currently available target speech engine fed back by the server, determine the target speech engine according to the indication information, and determine whether there is a data packet of the engine.

If not, go to step 504, and then go to step 505; if so, go to step 305 directly.

Step 504: Download and install the data package of the target speech engine in the application store or other places.

Step 505: Switch the current speech engine of the mobile terminal to the target speech engine, and use the target speech engine to perform speech service.

Among them, the voice service mainly includes: voice recognition, voice broadcast and voice recognition content feedback and other services.

Optionally, data can be returned according to the data acquisition rules specified by the voice assistant, such as food service, such as what delicious food is nearby when the user inputs, and the key value of the returned jason data is the same as that of the voice assistant:

["source_type": "meishi", "more_url": "http://****"];

The jason data of the chat is:

["source_type":"chat","more_url":"","show_text":"Hello!"].

Referring to Figure 6, the server side mainly executes the following processes:

Step 601, receiving a voice engine switching request from a mobile terminal.

Step 602, query the currently available voice engine of the mobile terminal and the service quality parameters of the voice engine.

Step 603, according to the quality of service parameter, specify an available voice engine type from the currently available voice engines for the voice assistant to query.

Step 604, sending the indication information of the target speech engine to the mobile terminal.

On the one hand, an embodiment of the present invention also provides a mobile terminal, including: a memory, a processor, and a computer program stored in the memory and running on the processor, and the above-mentioned voice engine switching is implemented when the computer program is executed by the processor Each process of the method embodiment can achieve the same technical effect, and in order to avoid repetition, it will not be repeated here.

On the other hand, an embodiment of the present invention also provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, each process in the above voice engine switching method is implemented, and The same technical effect can be achieved, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk, or an optical disk.

On the other hand, an embodiment of the present invention also provides a server, including: a memory, a processor, and a computer program stored in the memory and running on the processor, and the above-mentioned voice engine switching is implemented when the computer program is executed by the processor steps in the method.

Referring to FIG. 7 , another embodiment of the present invention provides a mobile terminal 700 . The mobile terminal 700 shown in FIG. 7 includes: at least one processor 701 , memory 702 , at least one network interface 704 and other user interfaces 703 . The various components in the mobile terminal 700 are coupled together by a bus system 705 . It can be understood that the bus system 705 is used to implement the connection communication between these components. In addition to the data bus, the bus system 705 also includes a power bus, a control bus and a status signal bus. However, for clarity of illustration, the various buses are labeled as bus system 705 in FIG. 7 .

Among them, the user interface 703 may include a display, a keyboard or a pointing device (eg, a mouse, a trackball, a touch pad or a touch screen, etc.).

It can be understood that the memory 702 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Wherein, the non-volatile memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM, SLDRAM) And direct memory bus random access memory (DirectRambus RAM, DRRAM). The memory 702 of the systems and methods described herein is intended to include, but not be limited to, these and any other suitable types of memory.

In some embodiments, memory 702 stores the following elements, executable modules or data structures, or a subset thereof, or an extended set of them: an operating system 7021 and applications 7022 .

The operating system 7021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks. The application program 7022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., for implementing various application services, and the program implementing the method of the embodiment of the present invention may be included in the application program 7022 .

In this embodiment of the present invention, by calling the program or instruction stored in the memory 702, specifically, the program or instruction stored in the application program 7022, the processor 701 is configured to: send a voice engine switching request to the server; receive feedback from the server Indication information of the currently available target speech engine; according to the indication information, switch the current speech engine of the mobile terminal to the target speech engine, and use the target speech engine for speech service.

The methods disclosed in the above embodiments of the present invention may be applied to the processor 701 or implemented by the processor 701 . The processor 701 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above-mentioned method can be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in the form of software. The above-mentioned processor 701 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other possible Programming logic devices, discrete gate or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present invention may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art. The storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702, and completes the steps of the above method in combination with its hardware.

It will be appreciated that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit may be implemented in one or more Application Specific Integrated Circuit (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSP Device, DSPD), programmable logic Device (Programmable Logic Device, PLD), Field Programmable Gate Array (Field Programmable Gate Array, FPGA), general purpose processor, controller, microcontroller, microprocessor, other electronic unit for performing the functions described in this application or in its combination.

For a software implementation, the techniques described herein may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described herein. Software codes may be stored in memory and executed by a processor. The memory can be implemented in the processor or external to the processor.

Optionally, as another embodiment, the processor 701 is further configured to: when detecting that the current voice engine service fails, send a voice engine switching request to the server; or, according to a preset switching frequency, send a voice engine switching request to the server .

Optionally, as another embodiment, the processor 701 is further configured to: determine whether the mobile terminal has a data package of the target speech engine: if the determination result is no, download and install the data package of the target speech engine.

Optionally, as another embodiment, the processor 701 is further configured to: receive a message that the current voice engine fails to connect with the server of the current voice engine or a message that the connection times out.

The mobile terminal 700 can implement each process implemented by the mobile terminal in the foregoing embodiments, and in order to avoid repetition, details are not repeated here.

The mobile terminal 700 in this embodiment of the present invention sends a voice engine switching request to the server through the processor 701 when the current voice engine service of the mobile terminal is abnormal, and receives the instruction information that carries the target voice engine fed back by the server, and switches according to the instruction information. To the target voice engine, the current voice service of the mobile terminal can be continued without the interruption of the voice service or the inability of the voice assistant application due to the abnormal voice engine service. And the mobile terminal can automatically send a voice engine switching request to the server according to the preset switching frequency, and switch the voice engine regularly, so as to ensure that the voice engine is in a normal working state and improve the service quality. The server side can also be provided with multiple voice engines serving the mobile terminal. When switching is required, multiple options are provided for the mobile terminal to improve the user experience.

Referring to FIG. 8 , another embodiment of the present invention provides a mobile terminal 800 . Specifically, the mobile terminal 800 in FIG. 8 may be a mobile phone, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA), or a vehicle-mounted computer.

The mobile terminal 800 in FIG. 8 includes a radio frequency (RF) circuit 810 , a memory 820 , an input unit 830 , a display unit 840 , a processor 850 , a Wi-Fi (Wireless Fidelity) module 860 , an audio circuit 870 , and a power supply 880 .

Wherein, the input unit 830 can be used to receive numerical or character information input by the user, and generate signal input related to user setting and function control of the mobile terminal 800 .

Specifically, in this embodiment of the present invention, the input unit 830 may include a touch panel 831 . The touch panel 831, also known as a touch screen, can collect the user's touch operations on or near it (such as the user's operations on the touch panel 831 using any suitable objects or accessories such as a finger, a stylus, etc.) The specified program drives the corresponding connection device. Optionally, the touch panel 831 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the touch controller. To the processor 850, and can receive commands sent by the processor 850 and execute them. In addition, the touch panel 831 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch panel 831, the input unit 830 may also include other input devices 832, and the other input devices 832 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, etc. one or more of.

The display unit 840 may be used to display information input by the user or information provided to the user and various menu interfaces of the mobile terminal 800 . The display unit 840 may include a display panel 841, and optionally, the display panel 841 may be configured in the form of an LCD or an organic light-emitting diode (Organic Light-Emitting Diode, OLED).

It should be noted that the touch panel 831 can cover the display panel 841 to form a touch display screen. When the touch display screen detects a touch operation on or near it, it is transmitted to the processor 850 to determine the type of the touch event, and then the processor The 850 provides corresponding visual output on the touch display depending on the type of touch event.

The touch screen includes the application program interface display area and the commonly used controls display area. The arrangement of the application program interface display area and the common control display area is not limited, and may be an arrangement that can distinguish the two display areas, such as up-down arrangement, left-right arrangement, or the like. The application program interface display area can be used to display the interface of the application program. Each interface may contain at least one application icon and/or interface elements such as widget desktop controls. The application program interface display area can also be an empty interface that does not contain any content. The commonly used control display area is used to display controls with high usage rate, such as setting buttons, interface numbers, scroll bars, phonebook icons and other application icons.

In this embodiment of the present invention, by calling and storing software programs and/or modules in the first memory 821 and/or data in the second memory 822, the processor 850 is configured to: send a voice engine switching request to the server; receive The indication information of the currently available target speech engine fed back by the server; according to the indication information, the current speech engine of the mobile terminal is switched to the target speech engine, and the target speech engine is used for speech service.

Optionally, as another embodiment, the processor 850 is further configured to: when detecting that the current voice engine service fails, send a voice engine switching request to the server; or, according to a preset switching frequency, send a voice engine switching request to the server .

Optionally, as another embodiment, the processor 850 is further configured to: determine whether the mobile terminal has a data package of the target speech engine: if the determination result is no, download and install the data package of the target speech engine.

Optionally, as another embodiment, the processor 850 is further configured to: receive a message that the connection between the current speech engine and the server of the current speech engine fails or that the connection times out.

The mobile terminal 800 can implement each process implemented by the mobile terminal in the foregoing embodiments, and in order to avoid repetition, details are not repeated here.

The mobile terminal 800 in the embodiment of the present invention sends a voice engine switching request to the server through the processor 850 when the current voice engine service of the mobile terminal is abnormal, and receives the instruction information that carries the target voice engine fed back by the server, and switches according to the instruction information. To the target voice engine, the current voice service of the mobile terminal can be continued without the interruption of the voice service or the inability of the voice assistant application due to the abnormal voice engine service. And the mobile terminal can automatically send a voice engine switching request to the server according to the preset switching frequency, and switch the voice engine regularly, so as to ensure that the voice engine is in a normal working state and improve the service quality. The server side can also be provided with multiple voice engines serving the mobile terminal. When switching is required, multiple options are provided for the mobile terminal to improve the user experience.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the present invention.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

In the embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution. The computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: U disk, removable hard disk, ROM, RAM, magnetic disk, optical disk and other media that can store program codes.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (14)

1. a voice engine switching method, applied to a mobile terminal, is characterized in that, comprising: Send a voice engine switching request to the server; receiving the indication information of the currently available target speech engine fed back by the server; According to the instruction information, switch the current voice engine of the mobile terminal to the target voice engine, and use the target voice engine to perform voice services; The step of sending a voice engine switching request to the server includes: When detecting that the current voice engine service fails, send a voice engine switching request to the server; The steps of detecting the failure of the current voice engine service include: A message that the connection between the current speech engine and the server of the current speech engine fails or that the connection times out is received. 2. The method according to claim 1, wherein the step of sending a voice engine switching request to the server further comprises: According to the preset switching frequency, a voice engine switching request is sent to the server. 3. The method according to claim 1, wherein before the step of switching the current speech engine of the mobile terminal to the target speech engine, the method further comprises: Determine whether the mobile terminal has the data packet of the target voice engine: If the judgment result is no, download and install the data package of the target voice engine. 4. A voice engine switching method, applied to a server, is characterized in that, comprising: receiving a voice engine switching request of the mobile terminal; query the currently available voice engine and the service quality parameter of the voice engine, the service quality parameter is a value determined according to the current congestion level of the voice engine and the connection success rate; According to the quality of service parameter, select a target speech engine from the currently available speech engines; sending the indication information of the target voice engine to the mobile terminal; The voice engine switching request is a voice engine switching request sent to the server when the mobile terminal detects that the current voice engine service fails; Wherein, the mobile terminal detects that the current voice engine service fails, specifically including: A message that the connection between the current speech engine and the server of the current speech engine fails or that the connection times out is received. 5. The method according to claim 4, wherein the connection success rate is the connection success rate between the voice engine and the server of the voice engine; The quality of service parameter is a comprehensive weight obtained by weighting and summing the current congestion degree and the connection success rate according to a preset weight. 6. A mobile terminal, comprising: A request sending module is used to send a voice engine switching request to the server; an information receiving module, configured to receive the indication information of the currently available target speech engine fed back by the server; an engine switching module, configured to switch the current voice engine of the mobile terminal to a target voice engine according to the instruction information, and use the target voice engine to perform voice services; The request sending module includes: The first sending submodule is used to send a voice engine switching request to the server when detecting that the current voice engine service fails; The first sending submodule is specifically used for: When receiving a message that the connection between the current speech engine and the server of the current speech engine fails or that the connection times out, a speech engine switching request is sent to the server. 7. The mobile terminal according to claim 6, wherein the request sending module further comprises: The second sending sub-module is configured to send a voice engine switching request to the server according to the preset switching frequency. 8. The mobile terminal according to claim 6, wherein the mobile terminal further comprises: Judging module, for judging whether the mobile terminal has the data packet of the target voice engine: If the judgment result is no, download and install the data package of the target voice engine. 9. A server, characterized in that, comprising: a request receiving module for receiving a voice engine switching request of the mobile terminal; A parameter query module, used to query the currently available voice engine and the quality of service parameter of the voice engine, where the quality of service parameter is a numerical value determined according to the current congestion level of the voice engine and the connection success rate; An engine selection module, for selecting a target speech engine from the currently available speech engines according to the quality of service parameter; an information sending module, configured to send the indication information of the target voice engine to the mobile terminal; The voice engine switching request is a voice engine switching request sent to the server when the mobile terminal detects that the current voice engine service fails; Wherein, the mobile terminal detecting the failure of the current voice engine service specifically includes: receiving a message that the current voice engine fails to connect with the server of the current voice engine or a message that the connection times out. 10. The server according to claim 9, wherein the connection success rate is the connection success rate between the voice engine and the server of the voice engine; The quality of service parameter is a comprehensive weight obtained by weighting and summing the current congestion degree and the connection success rate according to a preset weight. 11. A mobile terminal, characterized in that it comprises: a memory, a processor and a computer program stored on the memory and running on the processor, the computer program being executed by the processor to achieve: Steps in the voice engine switching method according to any one of claims 1 to 3. 12. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the voice according to any one of claims 1 to 3 is realized Steps in the engine switching method. 13. A server, characterized by comprising: a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program being executed by the processor to achieve the right Steps in the voice engine switching method described in claim 4 or 5. 14. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor, the voice engine switching method of claim 4 or 5 is implemented. A step of.

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