CN202384000U - Voice processing device and vehicle-mounted terminal equipment - Google Patents
Voice processing device and vehicle-mounted terminal equipment Download PDFInfo
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- CN202384000U CN202384000U CN2011205356387U CN201120535638U CN202384000U CN 202384000 U CN202384000 U CN 202384000U CN 2011205356387 U CN2011205356387 U CN 2011205356387U CN 201120535638 U CN201120535638 U CN 201120535638U CN 202384000 U CN202384000 U CN 202384000U
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- 238000003379 elimination reaction Methods 0.000 claims description 6
- 230000002618 waking effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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Abstract
The utility model relates to a voice processing device and vehicle-mounted terminal equipment. The voice processing device comprises a microphone used for receiving voice input of a user, a switch selecting circuit, an echo canceller, a phone voice sender, a voice recognizer and a controller, wherein the input end of the switch selecting circuit is connected with the microphone; the echo canceller is connected with a first output end of the switch selecting circuit and can carry out echo cancellation and noise reduction on voice input; the phone voice sender is connected with the echo canceller and is used for sending the voice input subjected to echo cancellation and noise reduction by the echo canceller; the voice recognizer is connected with a second output end of the switch selecting circuit and can carry out voice recognition on the voice input; and the controller is connected with a control end of the switch selecting circuit, and can change the input end of the switch selecting circuit to a second output end through triggering an awakening signal. The voice processing device provided by the utility model can improve voice recognition ratio.
Description
Technical field
The utility model relates to mobile unit, relates in particular to a kind of voice processing apparatus, car-mounted terminal equipment.
Background technology
Equipment such as car-mounted terminal equipment, mobile phone are supporting telephone conversation simultaneously and speech recognition often.Fig. 1 shows a kind of voice processing apparatus that is used to support to converse with speech recognition of the prior art; Comprise: microphone 11, Echo Canceller 12, call voice transmitter/speech recognition device 13, wherein; Microphone 11 is used to receive the user's voice input; Process Echo Canceller 12 carries out inputing to call voice transmitter/speech recognition device 13 after echo elimination, the noise reduction, under telephony mode, the phonetic entry after the noise reduction is sent on the telephone network; Perhaps under speech recognition mode, speech recognition is carried out in the phonetic entry through noise reduction.
But; In the structure shown in Figure 1, because after the phonetic entry process Echo Canceller 12, the voice signal that wherein comprises has distortion to a certain degree; And for speech recognition device; The part of losing in the distorted signal possibly be the necessary information that some voice is judged, can influence the discrimination of speech recognition device, can't make accurately and judging.
The utility model content
The technical matters that the utility model will solve provides a kind of voice processing apparatus, car-mounted terminal equipment, can improve phonetic recognization rate.
For solving the problems of the technologies described above, the utility model provides a kind of voice processing apparatus, comprising:
Receive the microphone of user's voice input;
Switch is selected circuit, and its input end links to each other with said microphone;
Select first output terminal of circuit to link to each other, said phonetic entry is carried out the Echo Canceller of echo elimination and noise reduction with said switch;
Link to each other with said Echo Canceller, to eliminate through said Echo Canceller echo and noise reduction after the call voice transmitter that sends of phonetic entry;
The speech recognition device of selecting second output terminal of circuit to link to each other, said phonetic entry is carried out speech recognition with said switch;
Select the circuit control end to link to each other, trigger by wake-up signal and select the input end of circuit to switch to the controller of said second output terminal on said switch with said switch.
Alternatively, said controller has the key of waking up, and said wake-up signal is produced by the said key that wakes up.
Alternatively, said voice processing apparatus also comprises:
The power amplifier player that links to each other with said speech recognition device, the phonetic entry after the speech recognition is amplified and play.
Alternatively, said call voice transmitter comprises 2G call voice transmitter or 3G call voice transmitter.
Alternatively, said switch selects circuit to comprise either-or switch.
The utility model also provides a kind of car-mounted terminal equipment, comprises above each described voice processing apparatus.
Compared with prior art, the utlity model has following advantage:
In the voice processing apparatus of the utility model embodiment, microphone is connected to the input end that switch is selected circuit, Echo Canceller is connected first output terminal that switch is selected circuit; Speech recognition device is connected second output terminal that switch is selected circuit; Switch selects the circuit control end to connect controller, and controller is triggered by wake-up signal, selects the input end of circuit to switch to second output terminal on switch; Promptly under the situation of speech recognition; The phonetic entry that microphone receives is directly to send to speech recognition device, before and without the noise reduction process of Echo Canceller, thereby has avoided distortion that noise reduction the causes influence to speech recognition device.
Description of drawings
Fig. 1 is the structured flowchart of a kind of voice processing apparatus of the prior art;
Fig. 2 is the structured flowchart of the voice processing apparatus of the utility model embodiment;
Fig. 3 is the schematic flow sheet of the method for speech processing of the utility model embodiment.
Embodiment
In the prior art, because speech recognition device and call voice sending module are shared same microphone and echo cancellation module, the distortion meeting that causes echo cancellation module to produce influences the discrimination of speech recognition device.
In the voice processing apparatus of the utility model embodiment, microphone is connected to the input end that switch is selected circuit, Echo Canceller is connected first output terminal that switch is selected circuit; Speech recognition device is connected second output terminal that switch is selected circuit; Switch selects the circuit control end to connect controller, and controller is triggered by wake-up signal, selects the input end of circuit to switch to second output terminal on switch; Promptly under the situation of speech recognition; The phonetic entry that microphone receives is directly to send to speech recognition device, before and without the noise reduction process of Echo Canceller, thereby has avoided distortion that noise reduction the causes influence to speech recognition device.
Below in conjunction with specific embodiment and accompanying drawing the utility model is described further, but should limit the protection domain of the utility model with this.
Fig. 2 shows the structured flowchart of the voice processing apparatus of present embodiment, includes but not limited to: microphone 21, switch are selected circuit 22, Echo Canceller 23, call voice transmitter 24, speech recognition device 25, power amplifier player 27, controller 26.
Wherein, microphone 21 can be used to receive the user's voice input, and this phonetic entry can be the phonetic entry under the telephony mode, i.e. the phonetic entry of user in the telephone relation process; Also can be the phonetic entry under the speech recognition mode, promptly be used for carrying out the processes such as playback after acoustic control, the identification through user's voice input.
Switch selects the input end of circuit 22 to link to each other with microphone 21, can be used for receiving phonetic entry from microphone 21, and its first output terminal links to each other with Echo Canceller 23, and its second input end links to each other with speech recognition device 25, and its control end links to each other with controller 26.Switch selects circuit 22 input end to be switched to first output terminal or second output terminal according to the control of controller 26, is about to the phonetic entry that microphone 21 sends and transfers to Echo Canceller 23 or speech recognition device 25.In one embodiment, switch selects circuit 22 can comprise either-or switch, promptly adopts the switching of either-or switch between realizing importing and exporting.In another embodiment, switch selects circuit 22 also can adopt MUX to realize.
Echo Canceller 23 selects first output terminal of circuit 22 to link to each other with switch, under telephony mode, can carry out echo to phonetic entry and eliminate and noise reduction.Concrete, Echo Canceller 23 can adopt echo inhibition, acoustic echo to eliminate (Acoustic Echo Cancellor) or other well known to a person skilled in the art mode, and processing such as echo elimination, noise reduction are carried out in input phonetic entry wherein.
Call voice transmitter 24 links to each other with Echo Canceller 23, and the process echo elimination of Echo Canceller 23 outputs and the phonetic entry of noise reduction are sent, and for example can be sent on the telephone network.Call voice transmitter 24 can comprise modules such as coding, modulation; Particularly; Call voice transmitter 24 can be that call voice is sent to the 2G call voice transmitter on the 2G mobile telephone network, or call voice is sent to the 3G call voice transmitter on the 3G mobile telephone network.
Also comprise the power amplifier player 27 that links to each other with speech recognition device 25 in the present embodiment, the voice signal that produces after speech recognition device 25 speech recognitions is carried out operations such as power amplification, broadcast.
Need to prove; In the present embodiment; Switch selects circuit 22 by default input end to be connected to first output terminal, promptly is set under the telephony mode, after being triggered by the wake-up signal that wakes key 26a generation up; The input end of controller 26 CSs selection circuit 22 switches to second output terminal and is conducted, and phonetic entry directly is sent to speech recognition device 25.
The voice processing apparatus of present embodiment can be integrated in car-mounted terminal equipment, the inside such as portable set such as mobile phone.
Present embodiment also provides a kind of method of speech processing, and its schematic flow sheet is as shown in Figure 3, comprising:
Step S31 receives the user speech input;
Step S32 carries out carrying out the call voice transmission behind echo elimination and the noise reduction to said phonetic entry;
Step S33 is triggered by wake-up signal, said phonetic entry is switched to directly carry out speech recognition.
In addition, phonetic entry is switched to directly carry out speech recognition after, can also to identification after phonetic entry carry out power amplification and broadcast etc.
About the more detailed description of this method of speech processing, see also in the foregoing description detailed description to the course of work of voice processing apparatus, repeat no more here.
Though the utility model with preferred embodiment openly as above; But it is not to be used for limiting the utility model; Any those skilled in the art are in spirit that does not break away from the utility model and scope; Can make possible change and modification, so the protection domain of the utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (6)
1. a voice processing apparatus is characterized in that, comprising:
Receive the microphone of user's voice input;
Switch is selected circuit, and its input end links to each other with said microphone;
Select first output terminal of circuit to link to each other, said phonetic entry is carried out the Echo Canceller of echo elimination and noise reduction with said switch;
Link to each other with said Echo Canceller, to eliminate through said Echo Canceller echo and noise reduction after the call voice transmitter that sends of phonetic entry;
The speech recognition device of selecting second output terminal of circuit to link to each other, said phonetic entry is carried out speech recognition with said switch;
Select the circuit control end to link to each other, trigger by wake-up signal and select the input end of circuit to switch to the controller of said second output terminal on said switch with said switch.
2. voice processing apparatus according to claim 1 is characterized in that said controller has the key of waking up, and said wake-up signal is produced by the said key that wakes up.
3. voice processing apparatus according to claim 1 is characterized in that, also comprises:
The power amplifier player that links to each other with said speech recognition device, the phonetic entry after the speech recognition is amplified and play.
4. voice processing apparatus according to claim 1 is characterized in that, said call voice transmitter comprises 2G call voice transmitter or 3G call voice transmitter.
5. voice processing apparatus according to claim 1 is characterized in that, said switch selects circuit to comprise either-or switch.
6. a car-mounted terminal equipment is characterized in that, comprises each described voice processing apparatus in the claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205356387U CN202384000U (en) | 2011-12-20 | 2011-12-20 | Voice processing device and vehicle-mounted terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205356387U CN202384000U (en) | 2011-12-20 | 2011-12-20 | Voice processing device and vehicle-mounted terminal equipment |
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| Publication Number | Publication Date |
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| CN202384000U true CN202384000U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205356387U Expired - Lifetime CN202384000U (en) | 2011-12-20 | 2011-12-20 | Voice processing device and vehicle-mounted terminal equipment |
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| CN (1) | CN202384000U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118196A (en) * | 2013-02-04 | 2013-05-22 | 厦门亿联网络技术股份有限公司 | Signal conversion device capable of realizing various talk modes |
| CN103177723A (en) * | 2011-12-20 | 2013-06-26 | 上海博泰悦臻电子设备制造有限公司 | Speech processing device, vehicle-mounted terminal device and speech processing method |
| WO2015185144A1 (en) * | 2014-06-05 | 2015-12-10 | Epcos Ag | Electronic circuit for a microphone and method of operating a microphone |
| WO2016026316A1 (en) * | 2014-08-19 | 2016-02-25 | 中兴通讯股份有限公司 | Voice wake-up method and device |
| CN106448667A (en) * | 2016-08-25 | 2017-02-22 | 乐视控股（北京）有限公司 | Device and method for automobile voice control and automobile |
| CN108022597A (en) * | 2017-12-15 | 2018-05-11 | 北京远特科技股份有限公司 | A kind of sound processing system, method and vehicle |
| CN110232926A (en) * | 2013-06-26 | 2019-09-13 | 思睿逻辑国际半导体有限公司 | Speech recognition |
| CN116709112A (en) * | 2022-02-24 | 2023-09-05 | 比亚迪股份有限公司 | Audio data processing method, system, data processing device and storage medium |
-
2011
- 2011-12-20 CN CN2011205356387U patent/CN202384000U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177723A (en) * | 2011-12-20 | 2013-06-26 | 上海博泰悦臻电子设备制造有限公司 | Speech processing device, vehicle-mounted terminal device and speech processing method |
| CN103118196B (en) * | 2013-02-04 | 2014-10-22 | 厦门亿联网络技术股份有限公司 | Signal conversion device capable of realizing various talk modes |
| CN103118196A (en) * | 2013-02-04 | 2013-05-22 | 厦门亿联网络技术股份有限公司 | Signal conversion device capable of realizing various talk modes |
| CN110232926A (en) * | 2013-06-26 | 2019-09-13 | 思睿逻辑国际半导体有限公司 | Speech recognition |
| US12183333B2 (en) | 2013-06-26 | 2024-12-31 | Cirrus Logic Inc. | Speech recognition |
| WO2015185144A1 (en) * | 2014-06-05 | 2015-12-10 | Epcos Ag | Electronic circuit for a microphone and method of operating a microphone |
| JP2017517217A (en) * | 2014-06-05 | 2017-06-22 | エプコス アクチエンゲゼルシャフトＥｐｃｏｓ Ａｇ | Microphone electronic circuit and method of operating a microphone |
| US10085088B2 (en) | 2014-06-05 | 2018-09-25 | Epcos Ag | Electronic circuit for a microphone and method of operating a microphone |
| WO2016026316A1 (en) * | 2014-08-19 | 2016-02-25 | 中兴通讯股份有限公司 | Voice wake-up method and device |
| CN106448667A (en) * | 2016-08-25 | 2017-02-22 | 乐视控股（北京）有限公司 | Device and method for automobile voice control and automobile |
| CN108022597A (en) * | 2017-12-15 | 2018-05-11 | 北京远特科技股份有限公司 | A kind of sound processing system, method and vehicle |
| CN116709112A (en) * | 2022-02-24 | 2023-09-05 | 比亚迪股份有限公司 | Audio data processing method, system, data processing device and storage medium |
| CN116709112B (en) * | 2022-02-24 | 2024-10-29 | 比亚迪股份有限公司 | Audio data processing method, system, data processing device and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20120815 |