CN111816214A - Vocal music singing skill detection system - Google Patents

Vocal music singing skill detection system Download PDF

Info

Publication number
CN111816214A
CN111816214A CN202010796478.5A CN202010796478A CN111816214A CN 111816214 A CN111816214 A CN 111816214A CN 202010796478 A CN202010796478 A CN 202010796478A CN 111816214 A CN111816214 A CN 111816214A
Authority
CN
China
Prior art keywords
module
processing unit
central processing
detection system
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010796478.5A
Other languages
Chinese (zh)
Inventor
王爱苹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puyang Vocational and Technical College
Original Assignee
Puyang Vocational and Technical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Puyang Vocational and Technical College filed Critical Puyang Vocational and Technical College
Priority to CN202010796478.5A priority Critical patent/CN111816214A/en
Publication of CN111816214A publication Critical patent/CN111816214A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/174Facial expression recognition
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/174Facial expression recognition
    • G06V40/176Dynamic expression
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/20Movements or behaviour, e.g. gesture recognition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/69Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/72Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for transmitting results of analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Social Psychology (AREA)
  • Psychiatry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)

Abstract

The invention discloses a vocal music singing skill detection system, which belongs to the technical field of vocal music singing, and comprises: support, central processing unit, touch display screen, sound wave processing module, wave form contrast module, score module and wireless transmission module, the support top is provided with the telescopic link, the telescopic link top is provided with the mobile station, mobile station bottom right side is provided with image acquisition device, mobile station top right side is provided with the sound collecting device, mobile station top left side sets up central processing unit, central processing unit electrical property input connection image acquisition device and sound collecting device can show sound wave form picture, carry out the analysis to sound through the appearance time and the crest amplitude of contrast crest, carry out expression dynamic analysis to the personnel's of singing facial expression, the evaluation personnel of being convenient for evaluate and can directly print out the result after evaluating, the observation of being convenient for, can be with evaluating data transmission to user IP terminal simultaneously, be convenient for watch.

Description

Vocal music singing skill detection system
Technical Field
The invention relates to the technical field of vocal music singing, in particular to a vocal music singing skill detection system.
Background
Vocal music is a music form singing by human voice, mainly takes the vocal cords of human as the main part, and is matched with the oral cavity, the tongue and the nasal cavity to act on breath to produce pleasant, continuous and rhythmical sounds. Vocal singing skills include: tone, rhythm, lyrics, emotion, mouth shape, etc. of the singer. Vocal music performance is an artistic form of music performance that is distinguished from instrumental music. The vocal performance refers to the musical performance mainly based on the singing voice and the voice. I personally think that vocal music performance comprises beautiful sound, popular, national, opera and other forms, but also does not exclude special vocal music performance forms such as whistles, oral skills and the like.
At present, in the singing process, the existing vocal music singing skill detection system cannot display a sound oscillogram, cannot analyze the sound by comparing the occurrence time and the amplitude of a peak, is inconvenient for evaluators to evaluate, cannot inquire and trace the singing process and a singing result after evaluation, and cannot correctly refer to the singing process and the singing result when problems are generated at the later stage.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the existing vocal performance skill detection system.
Therefore, an object of the present invention is to provide a vocal music singing skill detection system, which can display a sound oscillogram, analyze the sound by comparing the occurrence time of the peak with the amplitude of the peak, dynamically analyze the facial expression of the singer, facilitate evaluation by an evaluator, directly print out the result after evaluation, facilitate observation, and simultaneously send the evaluation data to the user IP terminal for viewing. To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a vocal performance skill detection system, comprising: the mobile phone comprises a support, a central processing unit, a touch display screen, a sound wave processing module, a waveform comparison module, a grading module and a wireless transmission module, wherein a telescopic rod is arranged at the top of the support, a movable table is arranged at the top of the telescopic rod, an image acquisition device is arranged at the right side of the bottom of the movable table, a sound receiving device is arranged at the right side of the top of the movable table, a central processing unit is arranged at the left side of the top of the movable table, the central processing unit is electrically connected with the image acquisition device and the sound receiving device in an input mode, the central processing unit is electrically connected with a data storage module and a facial expression recognition module in a two-way mode, the central processing unit is electrically connected with the touch display screen in a two-way mode, the central processing unit is electrically connected with the sound wave processing module, the wireless transmission module is electrically connected with the IP terminal in a bidirectional way.
As a preferable scheme of the vocal performance skill detection system of the present invention, wherein: the bottom of the support is provided with a roller which adopts a self-locking caster.
As a preferable scheme of the vocal performance skill detection system of the present invention, wherein: and locking screws which are uniformly distributed are arranged between the support and the telescopic rod.
As a preferable scheme of the vocal performance skill detection system of the present invention, wherein: the image acquisition device adopts a camera, and a movable seat is arranged at the connecting position of the image acquisition device.
As a preferable scheme of the vocal performance skill detection system of the present invention, wherein: the wireless transmission module adopts a wireless network card and a router.
As a preferable scheme of the vocal performance skill detection system of the present invention, wherein: the touch display screen is provided with a toughened film, and a waterproof sealing adhesive layer is arranged at the connecting position of the touch display screen and the touch display screen.
As a preferable scheme of the vocal performance skill detection system of the present invention, wherein: the outer wall of the bracket is provided with a plurality of outline indicating lamps which are uniformly distributed on the outer wall of the bracket.
As a preferable scheme of the vocal performance skill detection system of the present invention, wherein: the central processing unit adopts a microcomputer, and a heat dissipation device is connected to the outside of the central processing unit.
Compared with the prior art: the image acquisition device is used for shooting and acquiring actions and facial expressions of a singer, the sound acquisition device is used for acquiring voice of the singer, a voice oscillogram can be displayed, the voice is analyzed by comparing the occurrence time of wave crests and the amplitude of the wave crests, the facial expressions of the singer are dynamically analyzed, an evaluator can conveniently evaluate, a result can be directly printed after evaluation, observation is facilitated, and evaluation data can be sent to the IP terminal of a user for watching.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention.
In the figure: the system comprises a 100 support, a 110 telescopic rod, a 120 movable table, a 130 image acquisition device, a 140 sound receiving device, 150 rollers, a 200 central processing unit, a 210 data storage module, a 220 facial expression recognition module, a 300 touch display screen, a 400 sound wave processing module, a 500 waveform comparison module, a 600 scoring module, a 700 wireless transmission module, a 710 printing module and a 720IP terminal.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a vocal music singing skill detection system, which can display a voice oscillogram, analyze voice by comparing the occurrence time of a peak with the amplitude of the peak, dynamically analyze the facial expression of a singer, facilitate evaluation by an evaluator, directly print a result after evaluation, facilitate observation, send evaluation data to a user IP terminal, facilitate viewing, please refer to FIG. 1 and FIG. 2, and comprises: the system comprises a support 100, a central processing unit 200, a touch display screen 300, a sound wave processing module 400, a waveform comparison module 500, a grading module 600 and a wireless transmission module 700;
referring to fig. 1 and 2 again, the support 100 includes a telescopic rod 110, a movable table 120, an image collecting device 130 and a sound collecting device 140, specifically, the support 100 is a welded frame, the telescopic rod 110 is inserted into the top of the support 100, the movable table 120 is welded to the top of the telescopic rod 110, the image collecting device 130 is installed on the right side of the bottom of the movable table 120, the sound collecting device 140 is installed on the right side of the top of the movable table 120, the working height of the movable table 120 is adjusted by using the telescopic rod 110, the using heights of the image collecting device 130 and the sound collecting device 140 are adjusted, so as to facilitate image and sound collection, the image collecting device 130 adopts a camera, the sound collecting device 140 adopts a microphone, the image collecting device 130 shoots and collects movements and facial expressions of a singer, and the sound of the singer is collected by the sound collecting.
Referring to fig. 1 and 2 again, the central processing unit 200 includes a data storage module 210 and a facial expression recognition module 220, specifically, the central processing unit 200 is installed on the left side of the top of the movable table 120, the central processing unit 200 is electrically connected to the data storage module 210 and the facial expression recognition module 220 in a bidirectional manner, the data is stored through the data storage module 210, the facial dynamics of the singer is monitored and analyzed through the facial expression recognition module 220, and the central processing unit 200 is a microcomputer.
Referring to fig. 1 and 2 again, the touch display 300 is installed at the center of the top of the movable table 120, the touch display 300 is electrically connected to the central processing unit 200 in a bidirectional manner, the waveform of the voice of the singer and the action expression of the singer are displayed through the touch display 300, and the touch control is realized through the touch display 300.
Referring to fig. 2 again, the sound wave processing module 400 is electrically connected to the central processing unit 200 in two directions, and the sound wave processing module 400 converts the sound collected by the sound receiving device 140 into a waveform diagram, so as to facilitate observation and judgment of the high pitch and the low pitch of the sound.
Referring to fig. 2 again, the waveform comparison module 500 is electrically connected to the central processing unit 200 in two directions, and compares the voice waveform of the singer with the voice waveform stored in the central processing unit 200 through the waveform comparison module 500, so as to determine the accuracy of the high pitch and the low pitch of the singer.
Referring to fig. 2 again, the scoring module 600 is electrically connected to the central processing unit 200 in two-way, scores the singer through the scoring module 600, the scoring criteria is determined according to the waveform of the high tone and the low tone of the singer, the amplitude and the position of the high tone and the low tone of the singer are close to the sound waveform stored in the central processing unit 200, the score is high, the score deviating from the sound waveform stored in the central processing unit 200 is low, the score is used as a hard reference of the scoring personnel, and the final score is given by the evaluating personnel in combination with the actual performance of the singer.
Referring to fig. 2 again, the wireless transmission module 700 includes a printing module 710 and an IP terminal 720, specifically, the wireless transmission module 700 is electrically connected to the central processing unit 200 in a bidirectional manner, the wireless transmission module 700 is electrically connected to the printing module 710 in an output manner, the wireless transmission module 700 is electrically connected to the IP terminal 720 in a bidirectional manner, the detected waveform diagram, the singer action expression and the score are transmitted to the IP terminal 720 through the wireless transmission module 700, the waveform diagram, the singer action expression and the score screenshot are printed through the printing module 710, and the wireless transmission module 700 employs a wireless network card.
In a specific use process, the image acquisition device 130 is used for shooting and acquiring singer actions and facial expressions, the sound receiving device 140 is used for acquiring singer sounds, the facial expression recognition module 220 is used for monitoring and analyzing singer facial dynamics, the sound wave processing module 400 is used for converting the sounds acquired by the sound receiving device 140 into waveform images, the waveform images of the singer sounds are compared with the sound waveform images stored in the central processing unit 200 through the waveform comparison module 500, so that the accuracy of the high pitch and the low pitch of the singer can be conveniently judged, the scoring standard is judged according to the waveform images of the high pitch and the low pitch of the singer, the amplitudes and the positions of the high pitch and the low pitch of the singer are close to the sound waveform images stored in the central processing unit 200, the score is high, the score is low compared with the sound waveform images stored in the central processing unit 200, and the final score is given by an evaluating person in combination with the actual performance of the singer, the detected waveform pattern, singer's action expression and score are transmitted to the IP terminal 720 through the wireless transmission module 700, and the screenshot of the waveform pattern, singer's action expression and score is printed out through the printing module 710.
The bottom of the support 100 is provided with a roller 150, and the roller 150 adopts a self-locking caster wheel, so that the device can move conveniently.
Locking screws which are uniformly distributed are arranged between the support 100 and the telescopic rod 110, so that the telescopic rod 110 can be conveniently fixed after the extension height is adjusted.
The image acquisition device 130 adopts a camera, and a movable seat is arranged at the connecting position of the image acquisition device 130, so that the orientation of a lens of the image acquisition device 130 can be conveniently adjusted.
The touch display screen 300 is provided with a toughened film, and a waterproof sealing adhesive layer is arranged at the connecting position of the touch display screen 300 and the touch display screen 300 to protect the touch display screen 300.
The 100 outer walls of support are provided with a plurality of marker lights, and are a plurality of marker lights are at 100 outer wall evenly distributed of support, are convenient for observe 100 outline positions of support, avoid light when dim to take place to collide with the user.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. A vocal performance skill detection system, comprising: the mobile phone comprises a support (100), a central processing unit (200), a touch display screen (300), a sound wave processing module (400), a waveform comparison module (500), a scoring module (600) and a wireless transmission module (700), wherein a telescopic rod (110) is arranged at the top of the support (100), a movable table (120) is arranged at the top of the telescopic rod (110), an image acquisition device (130) is arranged at the right side of the bottom of the movable table (120), a sound receiving device (140) is arranged at the right side of the top of the movable table (120), the central processing unit (200) is arranged at the left side of the top of the movable table (120), the central processing unit (200) is electrically connected with the image acquisition device (130) and the sound receiving device (140) in an input mode, the central processing unit (200) is electrically connected with a data storage module (210) and a facial expression recognition module (220) in a two, the sound wave processing module (400), the waveform comparison module (500) and the scoring module (600) are electrically and bidirectionally connected to the central processing unit (200), the wireless transmission module (700) is electrically and bidirectionally connected to the central processing unit (200), the printing module (710) is electrically and output-connected to the wireless transmission module (700), and the IP terminal (720) is electrically and bidirectionally connected to the wireless transmission module (700).
2. The vocal performance skill detection system according to claim 1, wherein a roller (150) is disposed at the bottom of the support (100), and the roller (150) is a self-locking caster.
3. The vocal performance skill detection system according to claim 1, wherein locking screws are uniformly distributed between the support (100) and the telescopic rod (110).
4. The vocal performance skill detection system according to claim 1, wherein the image capturing device (130) is a camera, and a movable seat is disposed at a connection position of the image capturing device (130).
5. The vocal performance skill detection system according to claim 1, wherein the wireless transmission module employs a wireless network card and a router.
6. The vocal singing skill detection system according to claim 1, wherein a toughened film is arranged on the touch display screen (300), and a waterproof sealant layer is arranged at the connection position of the touch display screen (300) and the touch display screen (300).
7. The vocal performance skill detection system according to claim 1, wherein a plurality of outline marker lamps are arranged on the outer wall of the support (100), and are uniformly distributed on the outer wall of the support (100).
8. The vocal performance skill detection system according to claim 1, wherein the central processing unit (200) is a microcomputer, and a heat dissipation device is connected to the outside of the central processing unit (200).
CN202010796478.5A 2020-08-10 2020-08-10 Vocal music singing skill detection system Withdrawn CN111816214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010796478.5A CN111816214A (en) 2020-08-10 2020-08-10 Vocal music singing skill detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010796478.5A CN111816214A (en) 2020-08-10 2020-08-10 Vocal music singing skill detection system

Publications (1)

Publication Number Publication Date
CN111816214A true CN111816214A (en) 2020-10-23

Family

ID=72864588

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010796478.5A Withdrawn CN111816214A (en) 2020-08-10 2020-08-10 Vocal music singing skill detection system

Country Status (1)

Country Link
CN (1) CN111816214A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114783222A (en) * 2022-05-11 2022-07-22 张�浩 Musical instrument auxiliary teaching method and system based on AR technology
CN115171699A (en) * 2022-05-31 2022-10-11 青岛海尔科技有限公司 Wake-up parameter adjusting method and device, storage medium and electronic device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114783222A (en) * 2022-05-11 2022-07-22 张�浩 Musical instrument auxiliary teaching method and system based on AR technology
CN114783222B (en) * 2022-05-11 2022-12-20 张�浩 Musical instrument auxiliary teaching method and system based on AR technology
CN115171699A (en) * 2022-05-31 2022-10-11 青岛海尔科技有限公司 Wake-up parameter adjusting method and device, storage medium and electronic device
CN115171699B (en) * 2022-05-31 2024-09-24 青岛海尔科技有限公司 Method and device for adjusting wake-up parameters, storage medium and electronic device

Similar Documents

Publication Publication Date Title
CN106898363A (en) A kind of vocality study electron assistant articulatory system
CN103150940B (en) A kind of keyboard instrument teaching system and teaching method
CN111816214A (en) Vocal music singing skill detection system
Brunelle et al. A laryngographic and laryngoscopic study of Northern Vietnamese tones
CN107945625A (en) A kind of pronunciation of English test and evaluation system
Nickerson et al. Teaching speech to the deaf: Can a computer help
CN205900093U (en) Make an uproar device and virtual reality equipment fall
CN103785160A (en) Table tennis table touching sensor and table tennis competition judgment system
WO2012040027A1 (en) Vocalization training method
Colton et al. Measuring vocal fold function
CN106097829A (en) A kind of vocal music exercising auxiliary device
Witchel et al. What does not happen: Quantifying embodied engagement using NIMI and self-adaptors
US8650027B2 (en) Electrolaryngeal speech reconstruction method and system thereof
CN107845386A (en) Audio signal processing method, mobile terminal and server
CN108648527A (en) A kind of pronunciation of English matching correcting method
CN108937861A (en) A kind of dormant method and device of evaluation and test
CN108877841A (en) A kind of method and device for evaluating and testing Language State
CN107427197A (en) The video Larynx endoscope system of ripple and laryngostroboscopic function is remembered with flat scanning video
He Characterizing first and second language rhythm in English using spectral coherence between temporal envelope and mouth opening-closing movements
CN108937970A (en) A kind of method and device for evaluating and testing affective state
CN110796919A (en) Highly-integrated music teaching demonstration system
CN108877836A (en) A kind of method and device for evaluating and testing speech state
CN203192396U (en) Detection apparatus for analyzing intonation and rhythm of song
CN108764200A (en) A kind of method and device of evaluation and test state of consciousness
CN210052319U (en) Hand-held mandarin training device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20201023

WW01 Invention patent application withdrawn after publication