Unlock instant, AI-driven research and patent intelligence for your innovation.

Speech signal processing method, device and electronic equipment

A technology of voice signal and processing method, applied in the audio field, can solve problems such as poor auditory experience of users, achieve good auditory experience, improve quality, and enhance the effect of auditory experience

Active Publication Date: 2021-06-18
GUANGZHOU SHIYUAN ELECTRONICS CO LTD
View PDF12 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of poor auditory experience of users in different application scenarios, the embodiment of the present application provides a voice signal processing method, device and electronic equipment, so that users can obtain good auditory experience in different application scenarios

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Speech signal processing method, device and electronic equipment
  • Speech signal processing method, device and electronic equipment
  • Speech signal processing method, device and electronic equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] figure 2 It is a schematic diagram of the first flow chart of the voice signal processing method of the embodiment of the present application, such as figure 2 As shown, the processing method of the voice signal in the embodiment of the present application includes the following steps: Step 101, measure the first reverberation time; Step 102, generate the sound wave absorption coefficient or reflection coefficient according to the sound wave reflecting material; Step 103, measure the first reverberation time according to the first reverberation time and the absorption coefficient to predict the second reverberation time; or predict the second reverberation time according to the first reverberation time and the reflection coefficient; step 104, adjust the reverberation suppression parameter according to the second reverberation time. Steps 101-104 are described in detail below.

[0050] Step 101, measure a first reverberation time.

[0051] In some embodiments, the e...

Embodiment 2

[0071] image 3 It is a second schematic flow chart of the voice signal processing method of the embodiment of the present application, such as image 3 As shown, the processing method of the speech signal in the embodiment of the present application includes the following steps: step 201, measuring the first reverberation time; step 202, generating the sound wave absorption coefficient or reflection coefficient according to the sound wave reflecting material; step 203A, using the calculation formula:

[0072]

[0073] Fit the weight value of the absorption coefficient of the six walls of the room, where T is the first reverberation time, V is the room volume, α i is the absorption coefficient of the i-th wall in the room, w i is the absorption coefficient α i The weight value of S i is the area of ​​the i-th wall in the room; step 203B, the absorption coefficient α of the i-th wall in the room i and the weight value w of the absorption coefficient i Multiply to obtain...

Embodiment 3

[0100] Figure 4 It is a schematic diagram of the third flow chart of the voice signal processing method of the embodiment of the present application, such as image 3 As shown, the processing method of the speech signal in the embodiment of the present application includes the following steps: step 301A, measuring the first reverberation time; step 301B, compensating the first reverberation time; step 302, generating the sound wave absorption coefficient or Reflection coefficient; step 303, predicting the second reverberation time according to the first reverberation time and the absorption coefficient; or predicting the second reverberation time according to the first reverberation time and the reflection coefficient; step 304, adjusting the reverberation time according to the second reverberation time Noise suppression parameter. Wherein steps 302-304 are basically the same as steps 102-104, please refer to steps 102-104, and for the part that is the same as step 301A and ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

This application relates to the field of audio technology. This application provides a voice signal processing method, device and electronic equipment. The voice signal processing method includes: measuring the first reverberation time; generating a sound wave absorption coefficient or reflection coefficient according to the sound wave reflection material ; Predict the second reverberation time according to the first reverberation time and the absorption coefficient; or predict the second reverberation time according to the first reverberation time and the reflection coefficient; adjust the reverberation suppression parameter according to the second reverberation time. The embodiments of the present application can be directly deployed on specific electronic devices. For different application scenarios, the electronic equipment can conveniently and quickly predict the reverberation time of the surrounding environment with a lower signal transmission power, and adjust the reverberation suppression parameters according to the predicted reverberation time, which improves the quality of the voice signal and improves the electronic performance. The performance robustness of the device in specific application scenarios improves the user's hearing experience in different application scenarios.

Description

technical field [0001] The present application relates to the field of audio technology, in particular, to a method, device and electronic equipment for processing voice signals. Background technique [0002] In the application scenarios of video conferencing or voice control, the reverberation in the environment, especially the long-term reverberation, will reduce the quality of the voice signal in hearing or recognition. However, at present, users have poor hearing experience in different application scenarios. Contents of the invention [0003] In order to solve the problem of poor auditory experience of users in different application scenarios, embodiments of the present application provide a voice signal processing method, device, and electronic equipment, so that users can obtain good auditory experience in different application scenarios. [0004] In the first aspect, an embodiment of the present application provides a method for processing a speech signal, includi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G10L21/0208G10L21/0216
CPCG10L21/0208G10L21/0216G10L2021/02082
Inventor 王亮亮
Owner GUANGZHOU SHIYUAN ELECTRONICS CO LTD