CN114242072A - Voice recognition system for intelligent robot - Google Patents
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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
- G10L15/28—Constructional details of speech recognition 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
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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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
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Abstract
The invention is suitable for the technical field of voice recognition, and provides a voice recognition system for an intelligent robot; the method comprises the following steps: the device comprises a sound acquisition device and an analysis device, wherein the sound acquisition device is in communication connection with the analysis device; the sound acquisition device is used for acquiring voices, judging the position of a biogenic source according to the sound intensity of each position and adjusting the angle of acquiring the sound; and the analysis device is used for receiving the sound data transmitted by the sound acquisition device and then identifying the sound data to obtain an identification result. According to the invention, the sound acquisition device is arranged for judging the sound source position to obtain the maximum sound source position, and then the maximum sound source position is transmitted to the analysis device for identification after the sound is obtained, so that the intensity of the obtained sound can be further ensured, and the accuracy of identification is ensured. The invention ensures the accuracy of sound identification and realizes the automatic searching of the sound source position.
Description
Technical Field
The invention relates to the technical field of voice recognition, in particular to a voice recognition system for an intelligent robot.
Background
The robot is a machine device which automatically executes work, can receive human commands, can run a pre-arranged program, and can perform actions according to a principle schema established by an artificial intelligence technology. The task of the robot is to assist or replace the work of human work, such as production industry, construction industry or dangerous work, and the task can be divided into general robots and intelligent robots. The general robot refers to a robot which has no intelligence and only has general programming capability and operation function. The intelligent robot at least has the following three elements: the first is a sensory element for recognizing the state of the surrounding environment; second, the movement element, make the responsive action to the outside world; third, the thinking element, which action is taken according to the information obtained by the feeling element.
Speech is the most common, and one of the most direct and efficient, ways in human interaction. In modern society, the appearance and popularization of intelligent robots change the living state of human beings, and people are more and more accustomed to completing various daily affairs by means of the robots. It is desirable to communicate with a robot as easily as a human, and the robot can not only "hear" human voice but also "understand" the meaning of the voice. A man-machine interaction mode for allowing a robot to understand speech is speech recognition.
The position of a device for acquiring sound of the existing voice recognition system for the intelligent robot is fixed, the maximum sound source cannot be acquired, and the phenomenon that recognition is not accurate enough is caused. Therefore, a speech recognition system for an intelligent robot is proposed to solve the technical problem.
Disclosure of Invention
The present invention is directed to a speech recognition system for an intelligent robot to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a speech recognition system for an intelligent robot, comprising: the device comprises a sound acquisition device and an analysis device, wherein the sound acquisition device is in communication connection with the analysis device;
the sound acquisition device is used for acquiring voices, judging the position of a biogenic source according to the sound intensity of each position and adjusting the angle of acquiring the sound;
and the analysis device is used for receiving the sound data transmitted by the sound acquisition device and then identifying the sound data to obtain an identification result.
This scheme is used for judging the sound source position through setting up sound acquisition device, obtains the biggest sound source position, then transmits after obtaining sound and discern for analytical equipment, so and then can guarantee to obtain the intensity of sound, guarantees the accuracy of discernment. The invention ensures the accuracy of sound identification and realizes the automatic searching of the sound source position.
As a further scheme of the invention: the comparison module is used for receiving the multiple-angle sound and sending the multiple-intensity sound source data by the multi-angle sound obtaining module, and then comparing the multiple-intensity sound source data to obtain intensity direction data;
and the execution module is used for receiving the intensity direction data obtained by the comparison module, then adjusting the sound acquisition direction of the sound acquisition module, and ensuring that the sound acquisition module can acquire the sound source in the maximum direction.
And the sound acquisition module is used for acquiring sound data and transmitting the sound data to the analysis device.
As a still further scheme of the invention: the multi-angle sound acquisition module comprises a first multi-direction sound acquisition unit and a second multi-direction sound acquisition unit;
the first multidirectional sound acquisition unit is used for acquiring a plurality of intensity sound sources for intensity comparison in each horizontal direction and transmitting data to the comparison module;
the second multidirectional sound acquisition unit receives the horizontal direction of the strongest sound transmitted by the comparison module and receives a plurality of vertical direction sounds vertical to the moisture direction;
the comparison module is used for receiving the sound data in the plurality of horizontal directions acquired by the first multidirectional sound acquisition unit, comparing the sound intensity in the plurality of horizontal directions and acquiring the strongest sound horizontal direction; and receiving the sound data in the plurality of vertical directions acquired by the second multidirectional sound acquisition unit, and comparing the sound intensity in the plurality of vertical directions to acquire the vertical direction of the strongest sound.
As a still further scheme of the invention: the sound acquisition device further comprises a sound source following module; the sound source following module is used for finding that the sound is reduced.
As a still further scheme of the invention: the sound source following module comprises a sound intensity judging unit and a mobile unit;
the sound intensity judging unit is used for receiving the sound data transmitted by the sound acquiring module, judging the sound intensity, judging whether the sound intensity is smaller than a set threshold value or not, and sending a moving instruction to the moving unit if the sound intensity is smaller than the set threshold value;
and the moving unit is used for receiving the moving instruction sent by the sound intensity judging unit and moving towards the biogenic direction.
As a still further scheme of the invention: the sound source following module further comprises a distance judgment unit.
The distance judging unit is used for judging the distance between the robot and the sound source, and when the distance between the robot and the sound source is smaller than a set threshold value, the distance judging unit sends a signal for stopping moving to the mobile unit, and the mobile unit stops moving.
As a still further scheme of the invention: the analysis device comprises a noise filtering module and an identification module;
the noise filtering module is used for receiving the sound data sent by the sound acquisition device and deleting the noise data in the sound data;
and the identification module is used for receiving the voice data processed by the noise filtering module and then identifying the voice data.
As a still further scheme of the invention: the analysis device further comprises a feedback processing module;
the feedback processing module is used for receiving the result data identified by the identification module, and if the identification result data cannot be identified, the sound data acquired by the sound acquisition device is close to a noise source; and then sends an adjustment instruction to the sound acquisition device.
As a still further scheme of the invention: the sound acquisition device is also used for receiving the adjustment instruction sent by the feedback processing module, then collecting sound data in each direction one by one, and then sending the sound data to the noise filtering module one by one; receiving comparison sound data after noise filtering by the noise filtering module; judging the intensity of the compared voice data after noise filtering, judging that the intensity of the separated voice data in the direction is the maximum, and adjusting the voice acquisition angle;
and the noise filtering module is used for receiving the sound data in the multiple directions sent by the sound acquisition device, then filtering the sound data in the multiple directions, and sending the processed comparison sound data to the sound acquisition device.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the sound acquisition device is arranged for judging the sound source position to obtain the maximum sound source position, and then the maximum sound source position is transmitted to the analysis device for identification after the sound is obtained, so that the intensity of the obtained sound can be further ensured, and the accuracy of identification is ensured. The invention ensures the accuracy of sound identification and realizes the automatic searching of the sound source position.
Drawings
Fig. 1 is a schematic structural diagram of a speech recognition system for an intelligent robot.
Fig. 2 is a schematic structural diagram of a comparison module in the speech recognition system for an intelligent robot.
FIG. 3 is a schematic structural diagram of a multi-angle sound acquisition module in a speech recognition system for an intelligent robot.
Fig. 4 is a schematic structural diagram of a comparison module in the speech recognition system for the intelligent robot.
Fig. 5 is a schematic structural diagram of a sound source following module in a voice recognition system for an intelligent robot.
Fig. 6 is a first schematic structural diagram of an analysis device in a speech recognition system for an intelligent robot.
Fig. 7 is a schematic structural diagram of an analysis device in the speech recognition system for the intelligent robot.
In the figure: sound capture device-100;
an alignment module-110;
a multi-angle sound acquisition module-120;
a first multidirectional sound acquisition unit-121, a second multidirectional sound acquisition unit-122;
a sound acquisition module-130;
an execution module-140;
sound source following module-150;
sound intensity judging unit-151, moving unit-152, distance judging unit-153;
analytical device-200;
the device comprises a noise filtering module-210, an identification module-220 and a feedback processing module-230.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, etc. may be used to describe various information in embodiments of the present invention, the information should not be limited by these terms. These terms are only used to distinguish one type of information from another.
Example 1
Referring to fig. 1, in embodiment 1 of the present invention, a structure diagram of a speech recognition system for an intelligent robot provided in an embodiment of the present invention includes: the sound analysis system comprises a sound acquisition device 100 and an analysis device 200, wherein the sound acquisition device 100 is in communication connection with the analysis device 200;
the sound acquiring device 100 is configured to acquire a voice, judge a source position according to the sound intensity of each position, and adjust an angle of acquiring the sound;
the analysis device 200 is used for receiving the voice data transmitted by the voice acquisition device 100, and then recognizing the voice data to obtain a recognition result. Wired connection and wireless connection are arranged between the sound acquisition device 100 and the analysis device 200, both connection modes are set, so that stable transmission of data between the sound acquisition device and the analysis device can be guaranteed, and high-speed transmission of data between two IPs is achieved through the arrangement of wires.
According to the invention, the sound acquisition device 100 is arranged for judging the sound source position to obtain the maximum sound source position, and then the sound is acquired and transmitted to the analysis device 200 for identification, so that the intensity of the acquired sound can be further ensured, and the identification accuracy can be ensured. The invention ensures the accuracy of sound identification and realizes automatic searching of the sound source position; the sound capture apparatus 100 and the analysis apparatus 200 realize high-speed transmission of data between two IPs.
Example 2
Referring to fig. 2, the main difference between the present embodiment 2 and the present embodiment 1 is that the sound acquiring apparatus 100 includes a comparing module 110, a multi-angle sound acquiring module 120, a sound acquiring module 130, and an executing module 140.
A multi-angle sound obtaining module 120, configured to obtain multiple intensity sound sources for intensity comparison from multiple angles, and send multiple intensity sound source data to the comparison module 110;
the comparing module 110 is configured to receive multiple intensity sound source data sent by the multi-angle sound obtaining module 120, and then compare the multiple intensity sound source data to obtain intensity direction data;
the executing module 140 is configured to receive the intensity direction data obtained by the comparing module 110, and then adjust the obtaining direction of the sound obtaining module 130, so as to ensure that the sound obtaining module 130 can obtain the sound source in the maximum direction.
The sound acquiring module 130 is configured to acquire sound data and transmit the sound data to the analysis apparatus 200.
As shown in fig. 3, as a preferred embodiment of the present invention, the multi-angle sound capturing module 120 includes a first multi-direction sound capturing unit 121 and a second multi-direction sound capturing unit 122;
a first multidirectional sound acquiring unit 121 configured to acquire a plurality of intensity sound sources for intensity comparison in each horizontal direction, and transmit data to a second multidirectional sound acquiring unit 122;
a comparison module 110, configured to receive the sound data in the multiple horizontal directions acquired by the first multidirectional sound acquiring unit 121, compare the sound intensities in the multiple horizontal directions, and acquire a horizontal direction of a strongest sound;
a second multidirectional sound obtaining unit 122, which receives the horizontal direction of the strongest sound transmitted by the comparison module 110, and receives a plurality of vertical direction sounds perpendicular to the moisture direction;
the comparison module 110 receives the sound data in the plurality of vertical directions acquired by the second multidirectional sound acquiring unit 122, compares the sound intensities in the plurality of vertical directions, and acquires the vertical direction of the strongest sound. Therefore, the horizontal direction and the vertical direction for acquiring the strongest sound are realized, and the maximum sound can be ensured to be acquired.
As shown in fig. 4, as a preferred embodiment of the present invention, the sound acquiring apparatus 100 further includes a sound source following module 150;
the sound source following module 150 is used for automatically moving towards the sound source direction when the sound is found to be reduced.
As shown in fig. 5, as a preferred embodiment of the present invention, the sound source following module 150 includes a sound intensity judging unit 151 and a moving unit 152;
the sound intensity determining unit 151 is configured to receive the sound data transmitted by the sound acquiring module 130, determine the sound intensity, determine whether the sound intensity is smaller than a set threshold, and send a moving instruction to the moving unit 152 if the sound intensity is smaller than the set threshold;
the moving unit 152 is configured to receive the moving instruction sent by the sound intensity determining unit 151 to move toward the biogenic source. Therefore, the sound acquisition module 130 can acquire a sound source with enough intensity, so that the intensity of the sound is ensured, and the accuracy of sound identification is ensured. The moving unit 152 is a moving unit of a robot.
As shown in fig. 5, as a preferred embodiment of the present invention, the sound source following module 150 further includes a distance determining unit 153.
The distance determining unit 153 is configured to determine a distance between the robot and the sound source, and when the distance between the robot and the sound source is smaller than a set threshold, the distance determining unit 153 sends a signal to the moving unit 152 to stop moving, and the moving unit 152 stops moving. So and then guarantee the safety of robot and sound source, avoid the robot to hit on the sound source. The automatic stop moving function of the robot is realized.
As shown in fig. 6, as a preferred embodiment of the present invention, the analysis apparatus 200 includes a noise filtering module 210 and an identification module 220;
the noise filtering module 210 is configured to receive the sound data sent by the sound acquiring apparatus 100, and delete noise data in the sound data;
the identification module 220 is configured to receive the sound data processed by the noise filtering module 210 and then identify the sound data. The noise removal processing of the noise in the sound is realized by arranging the noise filtering module 210, and the accuracy of identification is ensured; the analysis device 200 is provided for recognizing sounds. And sending the identified data to the robot control unit.
As shown in fig. 7, as a preferred embodiment of the present invention, the analysis apparatus 200 further includes a feedback processing module 230;
the feedback processing module 230 is configured to receive the result data identified by the identifying module 220, and if the identification result data cannot be identified, it indicates that the sound data acquired by the sound acquiring apparatus 100 is close to the noise source; then, an adjustment instruction is issued to the sound acquiring apparatus 100;
the sound acquiring apparatus 100 is further configured to receive an adjustment instruction sent by the feedback processing module 230, collect sound data in each direction one by one, and send the sound data to the noise filtering module 210 one by one; receiving the comparison sound data after the noise filtering by the noise filtering module 210; judging the intensity of the compared voice data after noise filtering, and judging that the intensity of the separated voice data in the direction is the maximum;
the noise filtering module 210 receives the multiple direction sound data sent by the sound acquiring apparatus 100, then performs noise filtering processing on the multiple direction sound data, and sends the processed comparison sound data to the sound acquiring apparatus 100.
The feedback processing module 230 is configured to receive result data identified by the identifying module 220, and if the identification result data cannot be identified, it indicates that the sound data acquired by the sound acquiring apparatus 100 is close to a noise source; the feedback processing module 230 then issues an instruction to the sound capturing apparatus 100, and the sound capturing apparatus 100 adjusts the direction to capture the sound in the other direction.
Specifically, after the sound acquiring device 100 obtains the instruction sent by the feedback processing module 230, the sound data in each direction are collected one by one and then sent to the analyzing device 200 one by one, the analyzing device 200 identifies the sound data, the noise filtering module 210 separates the noise part in the sound data, then the separated data are transmitted to the identifying module 220 and the feedback processing module 230, meanwhile, the feedback processing module 230 transmits the separated sound data to the sound acquiring device 100, and the sound acquiring device 100 performs intensity judgment on the separated sound data to judge that the intensity of the separated sound data in the direction is the maximum, and accurately obtain the sound source direction.
The working principle of the invention is as follows:
the first multidirectional sound obtaining unit 121 obtains a plurality of intensity sound sources for intensity comparison in each horizontal direction, and transmits data to the comparison module 110; the comparison module 110 compares the sound intensities in the plurality of horizontal directions to obtain the horizontal direction of the strongest sound; the second multidirectional sound obtaining unit 122 receives the horizontal direction of the strongest sound transmitted by the comparison module 110, and receives a plurality of vertical direction sounds perpendicular to the moisture direction; the comparison module 110 receives the sound data in the plurality of vertical directions acquired by the second multidirectional sound acquiring unit 122, compares the sound intensities in the plurality of vertical directions, and acquires the vertical direction of the strongest sound; the executing module 140 receives the intensity direction data obtained by the comparing module 110, and then adjusts the sound obtaining direction of the sound obtaining module 130, so as to ensure that the sound obtaining module 130 can obtain the sound source in the maximum direction; the sound acquisition module 130 acquires sound data and transmits the sound data to the analysis device 200; the sound intensity determining unit 151 is configured to receive the sound data transmitted by the sound acquiring module 130, determine the sound intensity, determine whether the sound intensity is smaller than a set threshold, and send a moving instruction to the moving unit 152 if the sound intensity is smaller than the set threshold; the moving unit 152 receives the moving instruction sent by the sound intensity judging unit 151 to move towards the direction of origin; the noise filtering module 210 receives the sound data sent by the sound acquiring apparatus 100, and deletes noise data in the sound data; the recognition module 220 receives the voice data processed by the noise filtering module 210 and then recognizes the voice data.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily executed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A speech recognition system for an intelligent robot, comprising: a sound acquisition device (100) and an analysis device (200), wherein the sound acquisition device (100) is connected with the analysis device (200) in a communication way;
the sound acquisition device (100) is used for acquiring voices, judging the position of a biogenic source according to the sound intensity of each position and adjusting the angle of acquired sound;
and the analysis device (200) is used for receiving the sound data transmitted by the sound acquisition device (100) and then identifying the sound data to obtain an identification result.
2. The voice recognition system for the intelligent robot according to claim 1, wherein the sound acquisition apparatus (100) comprises a comparison module (110), a multi-angle sound acquisition module (120), a sound acquisition module (130), and an execution module (140);
the comparison module (110) is used for receiving the multiple-angle sound source data sent by the multi-angle sound acquisition module (120), and then comparing the multiple intensity source data to obtain intensity direction data;
the execution module (140) is used for receiving the intensity direction data obtained by the comparison module (110), then adjusting the sound obtaining direction of the sound obtaining module (130), and ensuring that the sound obtaining module (130) can obtain the sound source in the maximum direction;
and the sound acquisition module (130) is used for acquiring the sound data and transmitting the sound data to the analysis device (200).
3. A speech recognition system for an intelligent robot according to claim 2, wherein the multi-angle sound acquisition module (120) comprises a first multi-direction sound acquisition unit (121) and a second multi-direction sound acquisition unit (122);
the first multidirectional sound acquisition unit (121) is used for acquiring a plurality of intensity sound sources for intensity comparison in each horizontal direction and transmitting data to the comparison module (110);
a second multidirectional sound acquisition unit (122) which receives the horizontal direction of the strongest sound transmitted by the comparison module (110) and receives a plurality of vertical direction sounds vertical to the moisture direction;
a comparison module (110) for receiving the sound data of the plurality of horizontal directions acquired by the first multidirectional sound acquisition unit (121), comparing the sound intensities of the plurality of horizontal directions, and acquiring the horizontal direction of the strongest sound; and receiving sound data of a plurality of vertical directions acquired by the second multidirectional sound acquisition unit (122), and comparing the sound intensity of the plurality of vertical directions to acquire the vertical direction of the strongest sound.
4. A speech recognition system for a smart robot according to claim 2, characterized in that the sound capturing device (100) further comprises a sound source following module (150); the sound source following module (150) is used for when the sound is found to be decreasing.
5. The voice recognition system for an intelligent robot according to claim 4, wherein the sound source following module (150) includes a sound intensity judging unit (151) and a moving unit (152);
the sound intensity judging unit (151) is used for receiving the sound data transmitted by the sound acquiring module (130), judging the sound intensity, judging whether the sound intensity is smaller than a set threshold value or not, and sending a moving instruction to the moving unit (152) if the sound intensity is smaller than the set threshold value;
and the moving unit (152) is used for receiving the moving instruction sent by the sound intensity judging unit (151) and moving towards the biogenic direction.
6. The voice recognition system for an intelligent robot according to claim 5, wherein the sound source following module (150) further comprises a distance judging unit (153);
the distance judging unit (153) is used for judging the distance between the robot and the sound source, when the distance between the robot and the sound source is smaller than a set threshold value, the distance judging unit (153) sends a signal for stopping moving to the moving unit (152), and the moving unit (152) stops moving.
7. The speech recognition system for an intelligent robot according to any one of claims 1-6, wherein the analysis device (200) comprises a noise filtering module (210) and a recognition module (220);
the noise filtering module (210) is used for receiving the sound data sent by the sound acquisition device (100) and deleting the noise data in the sound data;
the identification module (220) is used for receiving the sound data processed by the noise filtering module (210) and then identifying the sound data.
8. A speech recognition system for an intelligent robot according to claim 6, characterized in that the analysis device (200) further comprises a feedback processing module (230);
the feedback processing module (230) is used for receiving the result data identified by the identification module (220), and if the identification result data cannot be identified, the sound data acquired by the sound acquisition device (100) is close to a noise source; then, an adjustment instruction is issued to the sound acquiring apparatus (100).
9. The voice recognition system for the intelligent robot according to claim 7, wherein the sound acquisition device (100) is further configured to receive an adjustment instruction issued by the feedback processing module (230), collect sound data of each direction one by one, and send the sound data to the noise filtering module (210) one by one; receiving comparison sound data after noise filtering by a noise filtering module (210); judging the intensity of the compared voice data after noise filtering, judging that the intensity of the separated voice data in the direction is the maximum, and adjusting the voice acquisition angle;
the noise filtering module (210) is used for receiving the voice data in multiple directions sent by the voice acquiring device (100), then carrying out noise filtering processing on the voice data in multiple directions, and sending the processed comparison voice data to the voice acquiring device (100).
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