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Method and device for assessing timbre

A timbre and sound technology, applied in the field of timbre evaluation methods and devices, can solve problems such as inability to objectively and accurately judge whether resonance is good or bad, and inability to score singers, and achieve the effect of improving entertainment and accurate and reasonable judgment results.

Active Publication Date: 2021-10-26
WUXI BINGHE COMP TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These subjective feelings vary from person to person and are difficult to quantify. Therefore, it is impossible to make an objective and accurate judgment on the quality of resonance, and it is also impossible to rate the singer's timbre according to the quality of resonance.

Method used

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  • Method and device for assessing timbre
  • Method and device for assessing timbre
  • Method and device for assessing timbre

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with accompanying drawing.

[0020] Sound is produced by vibration, and it is almost impossible for an object to vibrate back and forth according to a certain period of vibration. That is to say, when the sounding object makes a sound, it will produce many sub-vibrations, thus generating many waves (harmonic waves) of different frequencies. Because the phase difference of these many waves of different frequencies is very small (that is, the time interval is very short), people cannot distinguish them separately, so these waves will be mixed together to give people an overall feeling, and this feeling forms the timbre. The frequency with the largest relative amount in a sound determines the pitch of the sound, while the relative amount distribution of other frequencies determines the timbre. People distinguish different vocal objects not by the frequency of the sound, the frequency only determines the t...

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Abstract

The present invention proposes a timbre evaluation method and device, and the timbre evaluation method includes the following steps: acquiring a voice signal of a singer, performing pre-emphasis on the voice signal, and windowing the voice signal to divide the voice signal into short-term Frame; Estimate the pitch frequency f0 and formant frequency f1 of each frame speech signal, do ratio f1 / f0; And calculate the average value of every frame signal ratio f1 / f0 in singer's current sentence; Set up and be used for judging singer's sound and The threshold value of the degree of resonance between the original voices, and the average value is compared with the threshold value; the timbre of the singer's voice is scored according to the result of the comparison. By using the timbre evaluation method of the invention, the singing scoring system is more diversified, and the entertainment of singing is improved.

Description

technical field [0001] The invention relates to the field of intelligent voice technology, in particular to a method and device for evaluating timbre. Background technique [0002] Timbre refers to the aurally produced property of a sound by which a listener can judge the difference between two sounds presented in the same manner with the same pitch and loudness. Therefore, the vocal timbre during singing refers to the voice characteristics that people use to identify the specific singer when different singers sing the same song. [0003] The quality of resonance is an important indicator to measure the singer's timbre. If the voice lacks resonance in singing, the voice will often appear weak and lack color. And good sound resonance is of great help to the expansion of volume, the improvement of timbre and the spread of sound. However, the current description of resonance is mostly based on subjective feelings, for example, whether the sound is penetrating, whether the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L25/60
CPCG10L25/60
Inventor 单花连周峰
Owner WUXI BINGHE COMP TECH DEV CO LTD