CN113160812A - Speech recognition apparatus, speech recognition method, and readable storage medium - Google Patents
Speech recognition apparatus, speech recognition method, and readable storage medium Download PDFInfo
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- 230000007958 sleep Effects 0.000 claims description 29
- 230000005059 dormancy Effects 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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Abstract
The invention discloses a voice recognition method, a voice recognition device and a readable storage medium, wherein the voice recognition method comprises the following steps: when the intelligent microphone detects a voice awakening word, a voice recognition module is started; acquiring a recognition result of the voice recognition module on the voice signal acquired by the intelligent microphone; executing a control instruction corresponding to the identification result; and the voice recognition module is controlled to be dormant, so that the endurance time of the voice recognition device is prolonged.
Description
Technical Field
The present invention relates to the field of speech recognition, and in particular, to a speech recognition apparatus, a speech recognition method, and a readable storage medium.
Background
Voice interaction is a basic application of most intelligent devices, and in order to ensure normal use of the Voice interaction application, the intelligent devices always operate a Voice recognition module to perform Voice Activity Detection (VAD) and wake-up detection in real time, so as to respond to a Voice command in time. And because the power consumption of the voice recognition module is higher, the intelligent equipment always keeps higher power consumption, and the endurance time of the intelligent equipment is reduced.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a voice recognition method, a voice recognition device and a readable storage medium, aiming at prolonging the endurance time of the voice recognition device.
In order to achieve the above object, the present invention provides a speech recognition method, comprising the steps of:
when the intelligent microphone detects a voice awakening word, a voice recognition module is started;
acquiring a recognition result of the voice recognition module on the voice signal acquired by the intelligent microphone;
executing a control instruction corresponding to the identification result;
and controlling the voice recognition module to sleep.
Optionally, the step of executing the control instruction corresponding to the recognition result includes:
comparing the recognition result with a preset command word, wherein the recognition result is semantic information corresponding to the voice signal;
when a preset command word matched with the recognition result exists, acquiring a control instruction corresponding to the preset command word;
and executing the control instruction.
Optionally, the step of controlling the speech recognition module to sleep includes:
when no preset command word matched with the recognition result exists, acquiring the duration of the recognition result which is not acquired;
and controlling the voice recognition module to sleep when the duration reaches a preset duration.
Optionally, after the step of comparing the recognition result with a preset command word, the method further includes:
when the preset command word matched with the recognition result does not exist, outputting prompt information to enable a user to determine whether to update the preset command word according to the prompt information;
when a command word setting instruction is received, acquiring a command word and a control instruction input by a user;
and taking the command word as the preset command word, and storing the command word in association with the control instruction.
Optionally, the step of controlling the speech recognition module to sleep includes:
and when the intelligent microphone detects a closing command word, controlling the voice recognition module to sleep.
Optionally, the step of controlling the speech recognition module to sleep includes:
and when a closing instruction input by a user is received, controlling the voice recognition module to sleep.
In addition, to achieve the above object, the present invention further provides a speech recognition apparatus, including: the intelligent microphone comprises an intelligent microphone, a voice recognition module, a power supply module, a switch module and a controller; wherein: the intelligent microphone is connected with the voice recognition module and used for detecting voice signals and sending the voice signals acquired by the intelligent microphone to the voice recognition module when voice awakening words are recognized; the power module is electrically connected with the voice recognition module through a switch module, and the controller is electrically connected with the switch module so as to control the switch module to be switched on and off; the voice recognition module is electrically connected with the controller and is used for recognizing semantic information of voice signals sent by the intelligent microphone and sending the semantic information to the controller; the controller is used for acquiring the control instruction corresponding to the semantic information and executing the control instruction; the intelligent microphone is electrically connected with the controller and used for sending a starting instruction or a dormancy instruction of the voice recognition module to the controller.
In addition, to achieve the above object, the present invention further provides a speech recognition apparatus, including: a memory, a controller and a speech recognition program stored on the memory and executable on the controller, the speech recognition program, when executed by the controller, implementing the steps of the speech recognition method as described above.
In addition, to achieve the above object, the present invention also provides a readable storage medium having stored thereon a voice recognition program, which when executed by a controller, implements the steps of the voice recognition method as described above.
According to the voice recognition method, the voice recognition device and the readable storage medium provided by the embodiment of the invention, when the intelligent microphone detects a voice awakening word, the voice recognition module is started; acquiring a recognition result of the voice recognition module on the voice signal acquired by the intelligent microphone; executing a control instruction corresponding to the identification result; and the voice recognition module is controlled to be dormant, so that the endurance time of the voice recognition device is prolonged.
Drawings
Fig. 1 is a hardware architecture diagram of a speech recognition apparatus according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a speech recognition method according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a speech recognition method according to a second embodiment of the present invention;
FIG. 4 is a flowchart illustrating a speech recognition method according to a third embodiment of the present invention;
FIG. 5 is a flowchart illustrating a speech recognition method according to a fourth embodiment of the present invention;
FIG. 6 is a flowchart illustrating a fifth embodiment of a speech recognition method according to the present invention;
fig. 7 is a block diagram of a speech recognition apparatus according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Voice interaction is a basic application of most intelligent devices, and in order to ensure normal use of the Voice interaction application, the intelligent devices always operate a Voice recognition module to perform Voice Activity Detection (VAD) and wake-up detection in real time, so as to respond to a Voice command in time. And because the power consumption of the voice recognition module is higher, the intelligent equipment always keeps higher power consumption, and the endurance time of the intelligent equipment is reduced.
To solve the foregoing drawbacks, an embodiment of the present invention provides a speech recognition method, a speech recognition apparatus, and a readable storage medium, where the speech recognition method mainly includes the following steps:
when the intelligent microphone detects a voice awakening word, a voice recognition module is started;
acquiring a recognition result of the voice recognition module on the voice signal acquired by the intelligent microphone;
executing a control instruction corresponding to the identification result;
and controlling the voice recognition module to sleep.
Because the intelligent microphone detects when awakening up the word, just start the speech recognition module to after the control command that speech signal corresponds execution, control speech recognition module dormancy, avoided the long-term operation of speech recognition module and the high power consumption that causes, and because intelligent microphone consumption is lower, under the circumstances of guaranteeing speech recognition device normal operating, prolonged speech recognition device's time of endurance.
As shown in fig. 1, fig. 1 is a schematic diagram of a hardware architecture of a speech recognition apparatus according to an embodiment of the present invention.
The voice recognition device of the embodiment of the invention can be terminal equipment such as a smart phone, a tablet personal computer, a smart watch and the like.
As shown in fig. 1, the voice recognition apparatus may include: a controller 1001, such as a CPU, a user interface 1003, a network interface 1004, a memory 1005, and a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a smart microphone, etc., and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the controller 1001 described above.
It will be appreciated by those skilled in the art that the hardware architecture of the speech recognition device shown in fig. 1 does not constitute a limitation of the speech recognition device, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a voice recognition program.
In the speech recognition apparatus shown in fig. 1, the network interface 1004 is mainly used for connecting to a background server and performing data communication with the background server; the controller 1001 may be configured to invoke a speech recognition program stored in the memory 1005 and perform the following operations:
when the intelligent microphone detects a voice awakening word, a voice recognition module is started;
acquiring a recognition result of the voice recognition module on the voice signal acquired by the intelligent microphone;
executing a control instruction corresponding to the identification result;
and controlling the voice recognition module to sleep.
Further, the controller 1001 may be configured to invoke a speech recognition program stored in the memory 1005, and further perform the following operations:
comparing the recognition result with a preset command word, wherein the recognition result is semantic information corresponding to the voice signal;
when a preset command word matched with the recognition result exists, acquiring a control instruction corresponding to the preset command word;
and executing the control instruction.
Further, the controller 1001 may be configured to invoke a speech recognition program stored in the memory 1005, and further perform the following operations:
when no preset command word matched with the recognition result exists, acquiring the duration of the recognition result which is not acquired;
and controlling the voice recognition module to sleep when the duration reaches a preset duration.
Further, the controller 1001 may be configured to invoke a speech recognition program stored in the memory 1005, and further perform the following operations:
when the preset command word matched with the recognition result does not exist, outputting prompt information to enable a user to determine whether to update the preset command word according to the prompt information;
when a command word setting instruction is received, acquiring a command word and a control instruction input by a user;
and taking the command word as the preset command word, and storing the command word in association with the control instruction.
Further, the controller 1001 may be configured to invoke a speech recognition program stored in the memory 1005, and further perform the following operations:
and when the intelligent microphone detects a closing command word, controlling the voice recognition module to sleep.
Further, the controller 1001 may be configured to invoke a speech recognition program stored in the memory 1005, and further perform the following operations:
and when a closing instruction input by a user is received, controlling the voice recognition module to sleep.
As shown in fig. 2, in the first embodiment of the speech recognition method of the present invention, the speech recognition method includes the steps of:
step S10, when the intelligent microphone detects a voice awakening word, a voice recognition module is started;
step S20, acquiring the recognition result of the voice recognition module on the voice signal acquired by the intelligent microphone;
step S30, executing a control instruction corresponding to the identification result;
and step S40, controlling the voice recognition module to sleep.
In this embodiment, the smart microphone is an ultra-low power consumption sound pickup device, and has a Voice Activity Detection (VAD) function and a wake-up (wakeup) detection function, and can recognize a small number of Voice command words, such as a Voice wake-up word, a close command word, and the like, and can enable a user to preset the Voice command words; specifically, the voice activity detection is detecting whether a voice signal is present; the awakening detection is to detect whether a voice awakening word exists in the voice signal and awaken/start the related device when the voice awakening word is detected. The voice recognition module is used for recognizing the voice signal so as to obtain semantic information corresponding to the voice signal.
The voice recognition device in this embodiment at least includes an intelligent microphone, a voice recognition module, and a controller.
After the voice recognition device is started, the intelligent microphone is started and is in an open state for a long time. When the intelligent microphone monitors that a voice signal exists, the current voice signal is obtained, the current voice signal is identified, when a voice awakening word is detected in the current voice signal, awakening information is sent to the controller, then the voice signal is continuously collected, and the collected voice signal is sent to the voice identification module.
And when the controller receives the awakening information, the voice recognition module is started.
After receiving the voice signal sent by the intelligent microphone, the voice recognition module recognizes the received voice signal to acquire semantic information corresponding to the voice signal, wherein the semantic information is text information, that is, the voice recognition module converts audio data into text data.
The controller obtains the recognition result of the voice signal obtained by the intelligent microphone by the voice recognition module, namely semantic information corresponding to the voice signal, then obtains a control instruction according to the semantic information, and executes the obtained control instruction. And the processor controls the speech recognition module to be dormant after the execution of the control instruction is finished or after a certain time length of the execution of the control instruction is finished so as to stop the power consumption of the speech recognition module.
In the technical scheme disclosed in this embodiment, because the intelligent microphone detects when awakening the word, just start the speech recognition module to after the control instruction that speech signal corresponds carries out, control speech recognition module dormancy, avoided the long-term operation of speech recognition module and the high power consumption that causes, and because the intelligent microphone consumption is lower, under the circumstances of guaranteeing speech recognition device normal operating, prolonged speech recognition device's time of endurance.
Optionally, as shown in fig. 3, in a second embodiment of the speech recognition method of the present invention based on the first embodiment, the step S30 further includes:
step S31, comparing the recognition result with a preset command word, wherein the recognition result is semantic information corresponding to the voice signal;
step S32, when a preset command word matched with the recognition result exists, acquiring a control instruction corresponding to the preset command word;
and step S33, executing the control command.
In this embodiment, the recognition result is semantic information corresponding to a voice signal, and the preset command word is stored as text information; the memory of the voice recognition device stores the mapping relation between preset command words and control instructions.
The controller compares the recognition result with the preset command words in the memory after acquiring the recognition result of the voice recognition module, acquires the control instruction corresponding to the preset command words matched with the recognition result when the preset command words matched with the recognition result are stored in the memory, and then executes the acquired control instruction.
In the technical scheme disclosed in this embodiment, the technical effect of controlling the voice recognition device through voice is achieved by setting the mapping relationship between the preset command word and the control instruction.
Optionally, the step S40 further includes:
step S41, when no preset command word matched with the recognition result exists, acquiring the duration of the recognition result which is not acquired;
and step S42, when the duration reaches the preset duration, controlling the speech recognition module to sleep.
In this embodiment, when the preset command word matching the recognition result does not exist in the memory, the controller acquires a duration during which the recognition result is not acquired, that is, when the voice recognition module recognizes the voice signal acquired by the microphone, the controller does not acquire semantic information corresponding to the voice signal, and accordingly, the controller cannot acquire the recognition result of the voice recognition module. And the controller controls the voice recognition module to sleep when the duration reaches the preset duration.
In the technical scheme disclosed in this embodiment, when an effective voice signal is not acquired, the power consumption of the voice recognition module is stopped by controlling the voice recognition module to sleep, so that the endurance time of the voice recognition device is prolonged.
Optionally, as shown in fig. 4, based on the second embodiment, in a third embodiment of the speech recognition method of the present invention, after step S31, the method further includes:
step S34, when there is no preset command word matching the recognition result, outputting prompt information to enable the user to determine whether to update the preset command word according to the prompt information;
step S35, when a command word setting instruction is received, obtaining a command word and a control instruction input by a user;
and step S36, taking the command word as the preset command word, and storing the command word in association with the control instruction.
In this embodiment, when there is no preset command word matching the recognition result, the controller outputs prompt information for prompting the user whether to update the preset command word, for example, the user may trigger a command word setting instruction based on a pop-up window outputting the prompt information; when the controller receives a command word setting instruction, the command word and the control instruction input by the user are obtained, and then the command word is used as a preset command word and is stored in a related mode with the control instruction.
In the technical scheme disclosed in the embodiment, the preset command word is updated by outputting the prompt message, so that the usability of the voice recognition device is improved.
Optionally, as shown in fig. 5, in a fourth embodiment of the speech recognition method according to the present invention based on the first embodiment, the step S40 further includes:
and step S43, controlling the voice recognition module to sleep when the intelligent microphone detects a closing command word.
In this embodiment, when the smart microphone detects a turn-off command word, it sends a turn-off command to the controller. And when the controller receives the closing instruction, the voice recognition module is controlled to sleep.
In the technical scheme disclosed in the embodiment, when the intelligent microphone detects the closing command word, the power consumption of the voice recognition module is stopped by controlling the voice recognition module to be dormant, and the endurance time of the voice recognition device is prolonged.
Alternatively, as shown in fig. 6, based on the first embodiment, in a fifth embodiment of the speech recognition method of the present invention, the step S40 further includes:
and step S44, controlling the voice recognition module to sleep when receiving a closing instruction input by a user.
In this embodiment, a user may trigger a shutdown instruction based on an operation interface of the speech recognition module, and when the controller receives a shutdown command, the controller controls the speech recognition module to sleep.
In the technical scheme disclosed in the embodiment, when a user triggers a closing command, the power consumption of the voice recognition module is stopped by controlling the voice recognition module to sleep, and the endurance time of the voice recognition device is prolonged.
In addition, as shown in fig. 7, an embodiment of the present invention further provides a voice recognition apparatus, where the voice recognition apparatus includes a smart microphone 101, a voice recognition module 102, a power supply module 103, a switch module 104, and a controller 105.
In this embodiment, the smart microphone 101 is connected to the voice recognition module 102, and is configured to detect a voice signal, and send the voice signal acquired by the smart microphone 101 to the voice recognition module 102 when a voice wake-up word is recognized; the power module 103 is electrically connected to the voice recognition module 102 through a switch module 104, and the controller 105 is electrically connected to the switch module 104 to control the switch module 104 to be turned on and off; the voice recognition module 102 is electrically connected to the controller 105, and is configured to recognize semantic information of a voice signal sent by the smart microphone 101 and send the semantic information to the controller 105; the controller 105 is configured to acquire a control instruction corresponding to the semantic information and execute the control instruction; the smart microphone 101 is electrically connected to the controller 105, and is configured to send a start instruction or a sleep instruction of the speech recognition module 102 to the controller 105.
In addition, an embodiment of the present invention further provides a speech recognition apparatus, where the speech recognition apparatus includes a memory, a controller, and a speech recognition program stored in the memory and operable on the controller, and when the speech recognition program is executed by the controller, the steps of the speech recognition method according to the above embodiments are implemented.
In addition, an embodiment of the present invention further provides a readable storage medium, where a speech recognition program is stored, and the speech recognition program, when executed by a controller, implements the steps of the speech recognition method according to the above embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a speech recognition apparatus (e.g. a smart phone, etc.) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A speech recognition method, characterized in that it comprises the steps of:
when the intelligent microphone detects a voice awakening word, a voice recognition module is started;
acquiring a recognition result of the voice recognition module on the voice signal acquired by the intelligent microphone;
executing a control instruction corresponding to the identification result;
and controlling the voice recognition module to sleep.
2. The speech recognition method of claim 1, wherein the step of executing the control instruction corresponding to the recognition result comprises:
comparing the recognition result with a preset command word, wherein the recognition result is semantic information corresponding to the voice signal;
when a preset command word matched with the recognition result exists, acquiring a control instruction corresponding to the preset command word;
and executing the control instruction.
3. The speech recognition method of claim 2, wherein the step of controlling the speech recognition module to sleep comprises:
when no preset command word matched with the recognition result exists, acquiring the duration of the recognition result which is not acquired;
and controlling the voice recognition module to sleep when the duration reaches a preset duration.
4. The speech recognition method of claim 2, wherein after the step of comparing the recognition result with a preset command word, further comprising:
when the preset command word matched with the recognition result does not exist, outputting prompt information to enable a user to determine whether to update the preset command word according to the prompt information;
when a command word setting instruction is received, acquiring a command word and a control instruction input by a user;
and taking the command word as the preset command word, and storing the command word in association with the control instruction.
5. The speech recognition method of claim 1, wherein the step of controlling the speech recognition module to sleep comprises:
and when the intelligent microphone detects a closing command word, controlling the voice recognition module to sleep.
6. The speech recognition method of claim 1, wherein the step of controlling the speech recognition module to sleep comprises:
and when a closing instruction input by a user is received, controlling the voice recognition module to sleep.
7. A speech recognition apparatus, characterized in that the speech recognition apparatus comprises: the intelligent microphone comprises an intelligent microphone, a voice recognition module, a power supply module, a switch module and a controller; wherein: the intelligent microphone is connected with the voice recognition module and used for detecting voice signals and sending the voice signals acquired by the intelligent microphone to the voice recognition module when voice awakening words are recognized; the power module is electrically connected with the voice recognition module through a switch module, and the controller is electrically connected with the switch module so as to control the switch module to be switched on and off; the voice recognition module is electrically connected with the controller and is used for recognizing semantic information of voice signals sent by the intelligent microphone and sending the semantic information to the controller; the controller is used for acquiring the control instruction corresponding to the semantic information and executing the control instruction; the intelligent microphone is electrically connected with the controller and used for sending a starting instruction or a dormancy instruction of the voice recognition module to the controller.
8. A speech recognition apparatus, characterized in that the speech recognition apparatus comprises: smart microphone, a memory, a controller and a speech recognition program stored on the memory and executable on the controller, the speech recognition program, when executed by the controller, implementing the steps of the speech recognition method according to any one of claims 1 to 6.
9. A readable storage medium, characterized in that the readable storage medium has stored thereon a speech recognition program, which when executed by a controller implements the steps of the speech recognition method according to any one of claims 1 to 6.
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| CN113810802A (en) * | 2021-08-27 | 2021-12-17 | 青岛歌尔智能传感器有限公司 | Intelligent microphone and electronic device |
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| CN113810802B (en) * | 2021-08-27 | 2023-09-29 | 青岛歌尔智能传感器有限公司 | Intelligent microphone and electronic device |
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