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System and method for VOLTE speech recording and speech quality evaluation

A voice quality and voice recording technology, which is applied in audio processing and voice quality evaluation and recording fields, can solve problems such as audio quality impact and voice quality evaluation results

Active Publication Date: 2019-01-04
创远信科(上海)技术股份有限公司
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AI Technical Summary

Problems solved by technology

[0003] The recording at the receiving end is carried out through the MIC interface of the mobile phone. The audio recorded by this recording method has been encoded and decoded, and is easily disturbed by the surrounding environment. The audio quality will be affected, which will affect the evaluation results of the voice quality.

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  • System and method for VOLTE speech recording and speech quality evaluation

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Embodiment Construction

[0036] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.

[0037] The present invention provides a new VOLTE voice quality evaluation recording technology, the audio data is directly recorded through the internal audio channel instead of the Mic port of the mobile phone, thereby avoiding the interference of external environmental factors on the audio, the audio signal is not lost, and the Accuracy of speech quality assessment.

[0038] The system of VOLTE voice recording and voice quality evaluation of the present invention comprises:

[0039] The application layer subsystem is used to transmit voice and audio data and calculate and analyze the data;

[0040] The core layer subsystem is connected with the application layer subsystem and is used for managing voice and audio data.

[0041] Preferably, the application layer subsystem includes:

[0042] The APP appl...

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Abstract

The invention relates to a system for VOLTE speech recording and speech quality evaluation, comprising an application layer subsystem for transmitting voice and audio data and calculating and analyzing the data, a core layer subsystem for managing voice and audio data. The application layer subsystem includes an APP application module, which is used for evaluating the voice quality. The audio filemanagement module is used for AMR data transmission with the core layer subsystem. The invention also relates to a method for realizing VOLTE voice recording and voice quality evaluation control based on the system. The system and the method are adopted to avoid the interference of the environment to the audio caused by the traditional recording mode through the Mic port. Audio data can be directly recorded by opening internal voice channel without audio coding and decoding of AP subsystem to avoid the possible impact on audio. Traditional audio needs to be encoded and decoded in AMR format,and there are hundreds of standards in AMR format, so the implementation of AMR format is complex.

Description

technical field [0001] The present invention relates to the field of audio processing, in particular to the technical field of voice quality assessment and recording, in particular to a system and method for VOLTE voice recording and voice quality assessment. Background technique [0002] The traditional VOLTE voice evaluation test method is to first establish a VOLTE call between two mobile phones, then play a standard audio file at one end, receive the audio file at the other end and record it through the Mic port. The audio is compared to evaluate the voice quality. [0003] The recording at the receiving end is carried out through the MIC interface of the mobile phone. The audio recorded by this recording method has been encoded and decoded, and is easily disturbed by the surrounding environment. The audio quality will be affected, which will affect the evaluation results of the voice quality. . Contents of the invention [0004] The purpose of the present invention ...

Claims

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Application Information

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IPC IPC(8): G10L25/60H04M3/22H04M3/42H04L29/06
CPCH04M3/2236H04M3/42221G10L25/60H04L65/1069Y02D30/70
Inventor 张薇薇李庆任智明
Owner 创远信科(上海)技术股份有限公司
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