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Audio echo cancellation method, device and storage medium based on command and dispatch system

A command and dispatch system and echo cancellation technology are applied in the fields of electronic equipment, storage media, and audio echo cancellation methods to achieve the effect of improving quality

Active Publication Date: 2021-11-19
广州智讯通信系统有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High-definition voice technology can provide users with a good experience in mobile calls, but also brings great challenges to technicians

Method used

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  • Audio echo cancellation method, device and storage medium based on command and dispatch system
  • Audio echo cancellation method, device and storage medium based on command and dispatch system
  • Audio echo cancellation method, device and storage medium based on command and dispatch system

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Embodiment 2

[0067] Based on the same inventive concept, the present application also provides an electronic device, including a memory, a processor, and a program stored in the memory, the program is configured to be executed by the processor, and the processor implements the above-mentioned Steps of an audio echo cancellation method based on a command and dispatch system.

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Abstract

The invention discloses an audio echo cancellation method, device, and storage medium based on a command and dispatch system, comprising the following steps: receiving audio data, and playing the audio data through a remote speaker; using the audio data received by the remote speaker as Original signal; the far-end microphone receives the audio data played by the far-end speaker, and uses the echo audio data detected by it as the feedback signal; cuts and preprocesses the original signal and the feedback signal; uses the preprocessed original signal as the long and short time The input of the memory neural network model, the preprocessed feedback signal is used as the output of the long-short-term memory neural network model, the output of the long-short-term memory neural network model is used as the estimated echo, and the difference between the estimated echo and the feedback signal is used as the loss function. The neural network model is memorized to obtain the simulated echo path, thereby obtaining the simulated echo function; according to the simulated echo function, the echo of the audio data is eliminated during the call.

Description

technical field [0001] The invention relates to the technical field of audio processing, in particular to an audio echo cancellation method based on a command and dispatch system, electronic equipment, and a storage medium. Background technique [0002] The rapid development of dispatching voice terminal technology and communication technology provides strong support for high-definition voice technology. Currently, dispatch voice terminals of many brands have adopted G.722 and some high-quality audio components, and a large number of operators around the world have launched high-definition voice services based on the G.722 broadband standard. High-definition voice technology can provide users with a good experience in mobile calls, but it also brings great challenges to technicians. [0003] During mobile calls, echo is an important factor affecting the quality of voice calls. Effective echo cancellation technology will greatly improve the quality of voice calls. There are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L21/0208G10L15/16H04R3/02H04M9/08
CPCG10L15/16G10L21/0208G10L2021/02082H04M9/08H04R3/02
Inventor 王锐牛晓华邓玉龙王娟王宇费宏伟庄东陈建锋
Owner 广州智讯通信系统有限公司