CN105451137A - User equipment wake-up method and device - Google Patents

Abstract

The present invention discloses a method and device for waking up a user device. The method comprises the following steps: A. obtaining an external environment sound signal, wherein the external environment sound signal is a signal of a sound in the external environment of the user device; B. judging whether the volume corresponding to the external environment sound signal is greater than a predetermined threshold, and generating a judgment result; C. waking up the user device when the judgment result is that the volume is greater than the predetermined threshold. The present invention can wake up the user device by sound, which facilitates the user to wake up the user device when it is inconvenient for the user to operate the user device.

Description

User equipment wake-up method and device

technical field

The invention belongs to the technical field of user equipment wake-up, and in particular relates to a user equipment wake-up method and device.

Background technique

The traditional method of waking up user equipment (for example, a mobile phone) is generally: wake up the user equipment when receiving an incoming call, or wake up the user equipment when the preset time of the alarm clock arrives, or wake up the user equipment when receiving the user's key operation ,etc.

In practice, the inventors found that the prior art has at least the following technical problems:

The above conventional technical solution cannot wake up the user equipment through sound, that is, it cannot wake up the user equipment when it is inconvenient for the user to operate the user equipment.

Contents of the invention

The object of the present invention is to provide a method and device for waking up user equipment, which can wake up user equipment through sound.

In order to solve the above technical problems, the technical solution of the present invention is as follows:

A method for waking up user equipment, the method comprising the following steps: A. acquiring an external environment sound signal, wherein the external environment sound signal is a signal of the external environment sound of the user equipment; B. judging the external environment sound signal Whether the corresponding volume is greater than a predetermined threshold, and generate a judgment result; C. If the judgment result is that the volume is greater than the predetermined threshold, wake up the user equipment.

In the above user equipment wake-up method, the step A is: collecting the sound of the external environment of the user equipment, and generating the external environment sound signal whose signal type is an analog signal.

In the above user equipment wake-up method, after the step A and before the step B, the method further includes the following steps: D. Processing the external environment sound signal to generate a sound signal processing result; The step B is: judge whether the volume is greater than the predetermined threshold according to the sound signal processing result, and generate the judgment result.

In the above user equipment wake-up method, the step D includes: d1, performing amplification processing on the external environment sound signal to generate a first processed signal; d2, performing DC component filtering processing on the first processed signal, to generate a second processed signal; d3, performing high-low level signal conversion on the second processed signal to generate a third processed signal; wherein the third processed signal corresponds to the sound signal processing result.

In the above user equipment wake-up method, the step A is: collect the sound of the external environment of the user equipment, and generate the external environment sound signal whose signal type is a digital signal.

A device for waking up a user equipment, the device comprising: an acquisition module, configured to acquire an external environment sound signal, wherein the external environment sound signal is a sound signal of an external environment of the user equipment; a judging module, configured to judge the Whether the volume corresponding to the external environmental sound signal is greater than a predetermined threshold, and generate a judgment result; a wake-up module, configured to wake up the user equipment when the judgment result is that the volume is greater than the predetermined threshold.

In the above apparatus for waking up the user equipment, the acquisition module is configured to collect the external environment sound of the user equipment, and generate the external environment sound signal whose signal type is an analog signal.

In the above device for waking up user equipment, the device further includes: a processing module configured to process the external environment sound signal to generate a sound signal processing result; the judging module is configured to judge according to the sound signal processing result Whether the volume is greater than the predetermined threshold, and generate the judgment result.

In the above device for waking up the user equipment, the processing module includes: a first processing module, configured to amplify the external environment sound signal to generate a first processed signal; a second processing module, configured to amplify the external environment sound signal; A processing signal is subjected to DC component filtering processing to generate a second processing signal; a third processing module is configured to perform high-low level signal conversion on the second processing signal to generate a third processing signal; wherein, the first The three processed signals correspond to the sound signal processing results.

In the above apparatus for waking up the user equipment, the acquiring module is configured to collect the sound of the external environment of the user equipment, and generate the external environment sound signal whose signal type is a digital signal.

Compared with the prior art, the present invention can wake up user equipment through sound.

Description of drawings

FIG. 1 is a block diagram of a device for waking up user equipment according to the present invention;

Fig. 2 is the block diagram of processing module in Fig. 1;

FIG. 3 is a flowchart of a method for waking up a user equipment according to the present invention;

Fig. 4 is a flowchart of the steps of processing the external environment sound signal in Fig. 3 to generate a sound signal processing result;

FIG. 5 is a circuit diagram of a device for waking up user equipment according to the present invention.

detailed description

Referring to the drawings, like reference symbols represent like components. The following description is based on illustrated specific embodiments of the invention, which should not be construed as limiting other specific embodiments of the invention not described in detail herein.

The device and method for waking up user equipment of the present invention can be implemented in user equipment, such as electronic equipment such as smart phones, walkmans, digital cameras, tablet computers, smart TVs, and smart speakers.

Referring to FIG. 1 , FIG. 1 is a block diagram of an apparatus for waking up user equipment according to the present invention.

The user equipment wake-up device of the present invention includes an acquisition module 101 , a judgment module 103 and a wake-up module 104 .

The acquiring module 101 is configured to acquire an external environment sound signal, wherein the external environment sound signal is a signal of an external environment sound of the user equipment. Specifically, the acquiring module 101 is configured to acquire the external ambient sound signal through a microphone of the user equipment, that is, the acquiring module 101 is configured to receive the external ambient sound signal from the microphone.

The judging module 103 is configured to judge whether the volume corresponding to the external environmental sound signal is greater than a predetermined threshold, and generate a judging result.

The wake-up module 104 is configured to wake up the user equipment when the judging result is that the volume is greater than the predetermined threshold. Specifically, the wake-up module 104 is configured to trigger the user equipment to change from a sleeping state to a working state when the judging result is that the volume is greater than the predetermined threshold.

The acquisition module 101 can be, for example, a silicon MIC (Microphone, microphone) and an electret MIC, and the acquisition module 101 is used to collect the sound of the external environment of the user equipment, and generate all the signals whose signal type is an analog signal. Describe the external ambient sound signal. The apparatus also includes a processing module 102 .

The processing module 102 is configured to process the external environment sound signal to generate a sound signal processing result.

The judging module 103 is configured to judge whether the volume is greater than the predetermined threshold according to the sound signal processing result, and generate the judging result.

Referring to FIG. 2 , FIG. 2 is a block diagram of the processing module 102 in FIG. 1 .

In the apparatus for waking up user equipment of the present invention, the processing module 102 includes a first processing module 1021 , a second processing module 1022 , and a third processing module 1023 .

The first processing module 1021 is configured to amplify the external ambient sound signal to generate a first processed signal. Specifically, the first processing module 1021 may be, for example, an amplifying circuit, and the amplifying circuit is configured to amplify the external environmental sound signal to generate the first processed signal.

The second processing module 1022 is configured to perform DC component filtering processing on the first processed signal to generate a second processed signal. Specifically, the second processing module 1022 may be, for example, a DC blocking circuit, and the DC blocking circuit is used to filter out a DC component in the first processed signal to generate the second processed signal. The second processing module 1022 may be integrated in the first processing module 1021, that is, the first processing module 1021 is used to amplify the external environmental sound signal and filter out the DC component to generate the The second processing signal.

The third processing module 1023 is configured to convert the second processed signal into a high-to-low level signal to generate a third processed signal. Specifically, the third processing module 1023 may be, for example, a gate circuit, and the gate circuit is used to convert the external second processing signal into the third processing signal.

Wherein, the third processed signal corresponds to the sound signal processing result.

The third processed signal (that is, the sound signal processing result) is input to the controller of the user equipment as an interrupt source for waking up the user equipment.

The acquisition module 101 may be, for example, a digital MIC, and the acquisition module 101 is configured to collect the sound of the external environment of the user equipment, and generate the external environment sound signal whose signal type is a digital signal, or convert the The sound of the external environment is converted into a digital signal.

Referring to FIG. 3 , FIG. 3 is a flowchart of a method for waking up a user equipment according to the present invention.

The user equipment wake-up method of the present invention includes the following steps:

A. The acquisition module 101 acquires an external environment sound signal, wherein the external environment sound signal is a signal of an external environment sound of the user equipment. Specifically, the acquisition module 101 acquires the external environment sound signal through a microphone of the user equipment, that is, the acquisition module 101 receives the external environment sound signal from the microphone.

B. The judging module 103 judges whether the volume corresponding to the external environmental sound signal is greater than a predetermined threshold, and generates a judging result.

C. The wake-up module 104 wakes up the user equipment when the judging result is that the volume is greater than the predetermined threshold. Specifically, the wake-up module 104 triggers the user equipment to change from the sleeping state to the working state when the judging result is that the volume is greater than the predetermined threshold.

Described step A is:

The acquisition module 101 collects the sound of the external environment of the user equipment, and generates the external environment sound signal whose signal type is an analog signal.

After said step A, and before said step B, said method also includes the following steps:

D. The processing module 102 processes the external environment sound signal to generate a sound signal processing result.

The step B is:

The judging module 103 judges whether the volume is greater than the predetermined threshold according to the sound signal processing result, and generates the judging result.

Referring to FIG. 4 , FIG. 4 is a flow chart of the steps of processing the external environment sound signal to generate a sound signal processing result in FIG. 3 .

In the user equipment wake-up method of the present invention, the step D includes the following steps:

d1. The first processing module 1021 amplifies the external environmental sound signal to generate a first processed signal. Specifically, the first processing module 1021 may be, for example, an amplifying circuit, and the amplifying circuit amplifies the external environmental sound signal to generate the first processed signal.

d2. The second processing module 1022 performs DC component filtering processing on the first processed signal to generate a second processed signal. Specifically, the second processing module 1022 may be, for example, a DC blocking circuit, and the DC blocking circuit filters out a DC component in the first processed signal to generate the second processed signal.

d3. The third processing module 1023 performs high-to-low level signal conversion on the second processed signal to generate a third processed signal. Specifically, the third processing module 1023 may be, for example, a gate circuit, and the gate circuit converts the external second processed signal into the third processed signal.

Wherein, the third processed signal corresponds to the sound signal processing result.

The third processed signal (that is, the sound signal processing result) is input to the controller of the user equipment as an interrupt source for waking up the user equipment.

As another alternative, the step A is:

The acquiring module 101 collects the sound of the external environment of the user equipment, and generates the sound signal of the external environment whose signal type is a digital signal, or converts the sound of the external environment into a digital signal.

Example

Referring to FIG. 5 , FIG. 5 is a circuit diagram of a device for waking up user equipment according to the present invention.

The user equipment wake-up device of the present invention includes a MIC circuit 501 , an amplification circuit 502 and a gate circuit 503 .

The microphone circuit 501 is electrically connected to the amplifier circuit 502, the gate circuit 503 is electrically connected to the amplifier circuit 502, and the gate circuit 503 is also electrically connected to the interrupt pin INT of the micro control unit of the user equipment. .

The microphone circuit 501 includes a microphone MIC, a first capacitor C1, and a second capacitor C2.

The microphone MIC, the first capacitor C1 and the second capacitor C2 are all electrically connected to the amplifying circuit 502 .

The microphone circuit 501 also includes a first power input terminal MIC_BIAS. The first power input terminal MIC_BIAS is electrically connected to the microphone MIC, the first capacitor C1, and the second capacitor C2.

The microphone circuit 501 also includes a first ground terminal and a second ground terminal.

The microphone MIC is electrically connected to the first ground terminal, and the first capacitor C1 and the second capacitor C2 are both electrically connected to the second ground terminal.

The amplifying circuit includes an amplifier U1, a third capacitor C3, a first resistor R1, a second resistor R2, and a third resistor R3.

The amplifier U1 is electrically connected to the microphone circuit 501, the amplifier U1 is also electrically connected to the third capacitor C3, the first resistor R1 and the second resistor R2, and the third resistor R3 It is electrically connected with the third capacitor C3.

The amplifying circuit 502 also includes a first power input terminal VCC2. The first power input terminal VCC2 is electrically connected to the amplifier U1.

The amplifying circuit 502 includes a third ground terminal, a fourth ground terminal, and a fifth ground terminal.

The first resistor R1 is electrically connected to the third ground terminal, the amplifier U1 is electrically connected to the fourth ground terminal, and the third resistor R3 is electrically connected to the fifth ground terminal.

The gate circuit 503 includes a transistor Q1 and a fourth resistor R4.

The transistor Q1 is electrically connected to the amplification circuit 502 and the interrupt pin INT of the micro control unit MCU, and the fourth resistor R4 is electrically connected to the transistor Q1.

The gate circuit 503 also includes a third power input terminal VCC1. The third power input terminal VCC1 is electrically connected to the fourth resistor R4.

The gate circuit 503 also includes a sixth ground terminal.

The transistor Q1 is electrically connected to the sixth ground terminal.

The acquisition module 101 (ie, the MIC circuit 501 ) is used to acquire the external environmental sound signal (audio signal). Described MIC circuit 501 has two kinds, and one is digital MIC circuit, and what described digital MIC circuit outputs is digital signal, and described digital MIC circuit can be directly connected to the interruption of MCU (MicroControllerUnit, Micro Control Unit) circuit 504 of user equipment The pin INT is used as a wake-up source; the second is a silicon MIC circuit and an electret microphone, and the output of the silicon MIC circuit and the electret microphone is an analog signal, and the analog signal needs to be processed by the amplifier circuit 502 and the gate circuit 503 Then it can be used as a wake-up source.

The amplifying circuit 502 is used to amplify and block the audio signal. Since the signals output by the MIC circuit 501 are all small-amplitude signals superimposed on the DC bias voltage, in order to wake up the system according to the signal strength, the small signals must be amplified. And because the audio signal is superimposed on the DC, it must be processed before entering the gate circuit 503 to remove the DC. The sound signal threshold can be set through the amplification circuit 502 .

The gate circuit 503 is used to convert the AC signal output by the amplifier circuit 502 into a DC level.

The DC level is connected to the interrupt pin INT of the MCU circuit 504 for waking up the MCU.

Its workflow is:

The MIC circuit 501 detects the sound signal.

The amplifying circuit 502 amplifies the sound signal and filters out the DC component.

The gate circuit 503 converts the sound signal into high and low level signals.

The high and low level signals are input to the MCU as the interrupt source INT to wake up.

Through the above technical solution, the present invention can wake up the user equipment by sound, which facilitates the user to wake up the user equipment when it is inconvenient for the user to operate the user equipment.

In summary, although the embodiments of the present invention are disclosed above, the above embodiments are not intended to limit the present invention. Those skilled in the art can make various modifications and changes without departing from the spirit and scope of the present invention. Modification, therefore, the scope of protection of the present invention is subject to the scope defined by the claims.

Claims (10)

1. A user equipment wake-up method, characterized in that the method comprises the following steps: A. Acquiring an external environment sound signal, wherein the external environment sound signal is a signal of an external environment sound of the user equipment; B. Judging whether the volume corresponding to the external environmental sound signal is greater than a predetermined threshold, and generating a judging result; C. If the judging result is that the volume is greater than the predetermined threshold, wake up the user equipment. 2. The user equipment wake-up method according to claim 1, wherein the step A is: Collecting the sound of the external environment of the user equipment, and generating the external environment sound signal whose signal type is an analog signal. 3. The user equipment wake-up method according to claim 2, characterized in that, after the step A and before the step B, the method further comprises the following steps: D. Processing the external environmental sound signal to generate a sound signal processing result; The step B is: judging whether the volume is greater than the predetermined threshold according to the sound signal processing result, and generating the judging result. 4. The user equipment wake-up method according to claim 3, wherein the step D comprises: d1. Perform amplification processing on the external environmental sound signal to generate a first processed signal; d2. Performing DC component filtering processing on the first processed signal to generate a second processed signal; d3. Converting the second processed signal into a high-to-low level signal to generate a third processed signal; Wherein, the third processed signal corresponds to the sound signal processing result. 5. The user equipment wake-up method according to claim 1, wherein the step A is: Collecting the sound of the external environment of the user equipment, and generating the external environment sound signal whose signal type is a digital signal. 6. A user equipment wake-up device, characterized in that the device comprises: An acquisition module, configured to acquire an external environment sound signal, wherein the external environment sound signal is a sound signal of the external environment of the user equipment; A judging module, configured to judge whether the volume corresponding to the external environmental sound signal is greater than a predetermined threshold, and generate a judging result; A wake-up module, configured to wake up the user equipment when the judging result is that the volume is greater than the predetermined threshold. 7. The device for waking up user equipment according to claim 6, wherein the acquiring module is configured to collect the sound of the external environment of the user equipment, and generate the external environment sound whose signal type is an analog signal Signal. 8. The apparatus for waking up user equipment according to claim 7, further comprising: A processing module, configured to process the external environmental sound signal to generate a sound signal processing result; The judging module is used for judging whether the volume is greater than the predetermined threshold according to the sound signal processing result, and generating the judging result. 9. The device for waking up user equipment according to claim 8, wherein the processing module comprises: A first processing module, configured to amplify and process the external ambient sound signal to generate a first processed signal; A second processing module, configured to perform DC component filtering processing on the first processed signal to generate a second processed signal; A third processing module, configured to convert the second processed signal into a high-to-low level signal to generate a third processed signal; Wherein, the third processed signal corresponds to the sound signal processing result. 10. The device for waking up user equipment according to claim 6, wherein the acquisition module is configured to collect the external environment sound of the user equipment, and generate the external environment sound whose signal type is a digital signal Signal.