CN113314141A - Vocal music singing volume and pitch quantification method and quantification equipment - Google Patents
Vocal music singing volume and pitch quantification method and quantification equipment Download PDFInfo
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- CN113314141A CN113314141A CN202110558858.XA CN202110558858A CN113314141A CN 113314141 A CN113314141 A CN 113314141A CN 202110558858 A CN202110558858 A CN 202110558858A CN 113314141 A CN113314141 A CN 113314141A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001755 vocal effect Effects 0.000 title claims abstract description 23
- 238000011002 quantification Methods 0.000 title abstract description 8
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 238000013139 quantization Methods 0.000 claims abstract description 11
- 230000000007 visual effect Effects 0.000 claims abstract description 10
- 230000005236 sound signal Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012549 training Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 3
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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
- G10L21/06—Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids
- G10L21/10—Transforming into visible information
- G10L21/12—Transforming into visible information by displaying time domain information
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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
- G10L21/06—Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids
- G10L21/10—Transforming into visible information
- G10L21/14—Transforming into visible information by displaying frequency domain information
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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
- G10L21/06—Transformation of speech into a non-audible representation, e.g. speech visualisation or speech processing for tactile aids
- G10L21/18—Details of the transformation process
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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
- G10L25/90—Pitch determination of speech signals
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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
- G10L25/90—Pitch determination of speech signals
- G10L2025/906—Pitch tracking
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Abstract
The invention provides a method for quantizing the singing volume and pitch of vocal music, which comprises the following steps: establishing an audio recording matrix, recording audio, and converting audio signals into electric signals; analyzing the electric signal through an analysis module to obtain a pitch analysis result and a volume analysis result; and visually displaying the obtained result. The invention provides a method capable of quantizing volume and pitch, which has the function of recording the volume and pitch of a singer, and can decompose the sound of the singer into two quantized indexes of volume and pitch; the quantized volume and pitch can be visually displayed, so that the quantization result is more visual, and rapid analysis and evaluation are facilitated; the method can realize rapid quantitative index analysis, and is beneficial to vocal music teaching, vocal music training and vocal music match evaluation; and the equipment modules required by quantification are easy to obtain, simple to use and suitable for popularization.
Description
Technical Field
The invention belongs to the technical field of record evaluation, and particularly relates to a method and equipment for quantizing the singing volume and pitch of vocal music.
Background
For a long time, there is no device that can quantitatively test the volume and pitch of a phonographer. The singer is required to have full voice and accurate tone in vocal music training, the past judgment is carried out by the experience of teachers, and no test equipment can capture and quantitatively display singing scientific data of the singer. Although some APPs have the function of scoring singers, none of the APPs are quantitative indexes in a physical sense.
There are some devices on the market that test noise or sound waves, but there is no professional equipment to quantify vocal music singing. There are also devices for sound source detection on the market, but they are mainly used to detect the sounding location and do not analyze the nature of the sound source and give data on the volume and pitch.
Therefore, it is an urgent problem for those skilled in the art to develop a method or apparatus for accurately quantizing volume and pitch.
Disclosure of Invention
In order to solve the above problems, the present invention discloses a method and a device for quantizing the volume and pitch of vocal music singing.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for quantizing the volume and pitch of vocal music singing comprises the following steps:
(1) audio recording:
establishing an audio recording matrix, recording audio, and converting audio signals into electric signals;
(2) audio analysis:
analyzing the electric signal obtained in the step (1) through an analysis module to obtain a pitch analysis result and a volume analysis result;
(3) and (3) quantitative display:
and (3) carrying out visual display on the result obtained in the step (2).
Further, the specific method of the step (1) is as follows: two sets of high-definition video and audio recording interfaces HDMI are adopted to connect the digital camera, and the microphone is externally connected through the microphone interface to form an audio recording matrix; meanwhile, the audio signal is converted into an electric signal in an electromagnetic and capacitive mixing mode.
Further, the specific method of the step (2) is as follows:
(2-a) extracting the characteristics of the time domain signal and the frequency domain signal according to the electric signal obtained in the step (1); reading sound wave and frequency response ranges, and importing the sound wave and frequency response ranges into an audio database for analysis; importing, storing and processing a large matrix tool; forming a pitch module function as pitch quantization data and performing visual display;
(2-b) acquiring the vibration amplitude of the sound wave according to the electric signal obtained in the step (1); introducing a volume classification scientific algorithm, and calculating the vibration amplitude of sound waves through a Fourier algorithm; introducing a magic function and establishing a volume algorithm formula; and calculating volume quantization data according to a volume algorithm formula, and performing visual display.
Further, the specific method of the step (3) is as follows:
and (3) displaying the result obtained in the step (2) on an LCD display screen, wherein the pitch quantized data is displayed on a staff of the LCD display screen, and the volume quantized data is displayed below the corresponding pitch quantized data on the staff.
Further, the audio recording matrix is composed of 4 groups or 6 groups or 8 groups or 12 groups of microphone interfaces and external microphones.
The invention also provides a quantification device of the vocal music singing volume and pitch, which comprises an audio recording module, an audio analysis module and a quantification display module; the audio recording module is used for establishing an audio recording matrix, recording audio and converting audio signals into electric signals; the audio analysis module is used for analyzing the electric signal to obtain a pitch analysis result and a volume analysis result; and the quantitative display is used for visually displaying the pitch analysis result and the volume analysis result.
Compared with the prior art, the invention has the following beneficial effects:
1. the method has the advantages that the method can quantize the volume and the pitch, has the function of recording the volume and the pitch of a singer, and can decompose the voice of the singer into two quantized indexes of the volume and the pitch;
2. the quantized volume and pitch can be visually displayed, so that the quantization result is more visual, and rapid analysis and evaluation are facilitated;
3. the method can realize rapid quantitative index analysis, and is beneficial to vocal music teaching, vocal music training and vocal music match evaluation;
4. and the equipment modules required by quantification are easy to obtain, simple to use and suitable for popularization.
Drawings
FIG. 1 shows a flow frame according to the present invention.
Detailed Description
The technical solutions provided by the present invention will be described in detail below with reference to specific examples, and it should be understood that the following specific embodiments are only illustrative of the present invention and are not intended to limit the scope of the present invention.
Example 1:
fig. 1 shows a flow chart of the present invention, which is a method for quantizing the volume and pitch of vocal music singing, comprising the following steps:
(1) audio recording:
the digital video recorder is connected with a digital camera by adopting two sets of high-definition video and audio recording interfaces HDMI, and is externally connected with a microphone through a microphone interface to form an audio recording matrix, and records audio with the frequency range of 20Hz-20KHz, and simultaneously, the audio recording matrix is used as an audio recording module in a mode of mixing electromagnetic type and capacitance type, and a core chip of the audio recording module is embedded with a power amplifier, a high-frequency precise clock, an algorithm and the like to convert audio signals into electric signals;
the audio recording matrix consists of 4 groups or 6 groups or 8 groups or 12 groups of microphone interfaces and external microphones and is input through an HDMI signal line;
(2) audio analysis:
(2-a) simultaneously counting the input signal and the reference clock within a set time, comparing the count values of the input signal and the reference clock, multiplying the count values by the frequency of the reference clock to obtain the frequency of the signal, measuring the frequency of the obtained line signal by taking the high-frequency precise clock embedded in the audio recording module as a reference, and extracting the characteristics of a time domain signal and a frequency domain signal according to the electric signal obtained in the step (1); reading sound wave and frequency response ranges, and importing the sound wave and frequency response ranges into an audio database for analysis; importing, storing and processing a large matrix tool; forming a pitch module function as pitch quantization data and performing visual display;
(2-b) acquiring the vibration amplitude of the sound wave according to the electric signal obtained in the step (1); importing a volume classification scientific algorithm, installing software created based on an open source code Python in the equipment, and calculating the sound wave vibration amplitude through a Fourier algorithm; introducing a magic function and establishing a volume algorithm formula; calculating volume quantization data according to a volume algorithm formula, comparing the volume quantization data with a clock frequency calculation result, mutually correcting the volume quantization data and the clock frequency calculation result, and carrying out visual display;
(3) and (3) quantitative display:
(3a) the recorded audio is converted into a digital signal, and simultaneously, the data of the level is obtained, the data is synchronous with the set measuring time of the audio, the sampling peak value of the level signal is compared with an ITU-RBS1770 loudness table, and an electric calibration value is calculated;
(3b) comparing the electric calibration value with a volume standard table, and calculating the acoustic calibration value-dB of the volume;
(3c) and displaying the calculated sound calibration value on the horizontal axis of the time below the screen in a mode of combining sine waves.
Example 2:
the embodiment is a device for quantizing the volume and pitch of vocal music singing, which comprises an audio recording module, an audio analysis module and a quantization display module; the audio recording module is used for establishing an audio recording matrix, recording audio and converting audio signals into electric signals; the audio analysis module is used for analyzing the electric signal to obtain a pitch analysis result and a volume analysis result; and the quantitative display is used for visually displaying the pitch analysis result and the volume analysis result.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (6)
1. A method for quantizing the volume and pitch of vocal music singing is characterized in that: the method comprises the following steps:
(1) audio recording:
establishing an audio recording matrix, recording audio, and converting audio signals into electric signals;
(2) audio analysis:
analyzing the electric signal obtained in the step (1) through an analysis module to obtain a pitch analysis result and a volume analysis result;
(3) and (3) quantitative display:
and (3) carrying out visual display on the result obtained in the step (2).
2. The method of claim 1, wherein the vocal singing volume and pitch are quantized by: the specific method of the step (1) comprises the following steps: two sets of high-definition video and audio recording interfaces HDMI are adopted to connect the digital camera, and the microphone is externally connected through the microphone interface to form an audio recording matrix; meanwhile, the audio signal is converted into an electric signal in an electromagnetic and capacitive mixing mode.
3. The method of claim 1, wherein the vocal singing volume and pitch are quantized by: the specific method of the step (2) is as follows:
(2-a) extracting the characteristics of the time domain signal and the frequency domain signal according to the electric signal obtained in the step (1); reading sound wave and frequency response ranges, and importing the sound wave and frequency response ranges into an audio database for analysis; importing, storing and processing a large matrix tool; forming a pitch module function as pitch quantization data and performing visual display;
(2-b) acquiring the vibration amplitude of the sound wave according to the electric signal obtained in the step (1); introducing a volume classification scientific algorithm, and calculating the vibration amplitude of sound waves through a Fourier algorithm; introducing a magic function and establishing a volume algorithm formula; and calculating volume quantization data according to a volume algorithm formula, and performing visual display.
4. The method of claim 1, wherein the vocal singing volume and pitch are quantized by: the specific method of the step (3) is as follows:
and (3) displaying the result obtained in the step (2) on an LCD display screen, wherein the pitch quantized data is displayed on a staff of the LCD display screen, and the volume quantized data is displayed below the corresponding pitch quantized data on the staff.
5. The method of claim 2, wherein the vocal singing volume and pitch are quantized by: the audio recording matrix consists of 4 groups or 6 groups or 8 groups or 12 groups of microphone interfaces and external microphones.
6. A device for quantizing the volume and pitch of vocal music singing, characterized by: the system comprises an audio recording module, an audio analysis module and a quantitative display module; the audio recording module is used for establishing an audio recording matrix, recording audio and converting audio signals into electric signals; the audio analysis module is used for analyzing the electric signal to obtain a pitch analysis result and a volume analysis result; and the quantitative display is used for visually displaying the pitch analysis result and the volume analysis result.
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| CN202110558858.XA CN113314141A (en) | 2021-05-21 | 2021-05-21 | Vocal music singing volume and pitch quantification method and quantification equipment |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645268A (en) * | 2009-08-19 | 2010-02-10 | 李宋 | Computer real-time analysis system for singing and playing |
| CN103187046A (en) * | 2011-12-27 | 2013-07-03 | 雅马哈株式会社 | Display control apparatus and method |
| CN105469669A (en) * | 2016-02-02 | 2016-04-06 | 广州艾美网络科技有限公司 | Auxiliary teaching device for sing |
| CN106448701A (en) * | 2016-08-30 | 2017-02-22 | 苏娜 | Vocal integrated training system |
| CN106898363A (en) * | 2017-02-27 | 2017-06-27 | 河南职业技术学院 | A kind of vocality study electron assistant articulatory system |
| CN108182047A (en) * | 2016-12-08 | 2018-06-19 | 武汉斗鱼网络科技有限公司 | The display methods and device of a kind of information volume |
| CN108492834A (en) * | 2018-02-28 | 2018-09-04 | 湖南城市学院 | A kind of musicology teaching performance technical ability detecting system |
| CN109243415A (en) * | 2018-11-01 | 2019-01-18 | 行知技术有限公司 | A method of it will sing and play scoring image viewing |
| CN109448754A (en) * | 2018-09-07 | 2019-03-08 | 南京光辉互动网络科技股份有限公司 | A kind of various dimensions singing marking system |
| CN110120216A (en) * | 2019-04-29 | 2019-08-13 | 北京小唱科技有限公司 | For singing the audio data processing method and device of evaluation |
| CN112185415A (en) * | 2020-09-10 | 2021-01-05 | 珠海格力电器股份有限公司 | Sound visualization method and device, storage medium and MR mixed reality equipment |
-
2021
- 2021-05-21 CN CN202110558858.XA patent/CN113314141A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645268A (en) * | 2009-08-19 | 2010-02-10 | 李宋 | Computer real-time analysis system for singing and playing |
| CN103187046A (en) * | 2011-12-27 | 2013-07-03 | 雅马哈株式会社 | Display control apparatus and method |
| CN105469669A (en) * | 2016-02-02 | 2016-04-06 | 广州艾美网络科技有限公司 | Auxiliary teaching device for sing |
| CN106448701A (en) * | 2016-08-30 | 2017-02-22 | 苏娜 | Vocal integrated training system |
| CN108182047A (en) * | 2016-12-08 | 2018-06-19 | 武汉斗鱼网络科技有限公司 | The display methods and device of a kind of information volume |
| CN106898363A (en) * | 2017-02-27 | 2017-06-27 | 河南职业技术学院 | A kind of vocality study electron assistant articulatory system |
| CN108492834A (en) * | 2018-02-28 | 2018-09-04 | 湖南城市学院 | A kind of musicology teaching performance technical ability detecting system |
| CN109448754A (en) * | 2018-09-07 | 2019-03-08 | 南京光辉互动网络科技股份有限公司 | A kind of various dimensions singing marking system |
| CN109243415A (en) * | 2018-11-01 | 2019-01-18 | 行知技术有限公司 | A method of it will sing and play scoring image viewing |
| CN110120216A (en) * | 2019-04-29 | 2019-08-13 | 北京小唱科技有限公司 | For singing the audio data processing method and device of evaluation |
| CN112185415A (en) * | 2020-09-10 | 2021-01-05 | 珠海格力电器股份有限公司 | Sound visualization method and device, storage medium and MR mixed reality equipment |
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