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A video conferencing system and its audio quality diagnosis method

A video conferencing system and audio quality technology, which is applied in the direction of video conferencing systems, transmission systems, two-way working systems, etc., can solve unresolved problems such as the audio quality of video conferencing systems, and achieve the effect of ensuring fluency

Active Publication Date: 2021-06-29
HEFEI YOUO ELECTRONICS TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] But the above-mentioned patent application does not solve the problem of audio quality that occurs in the video conferencing system

Method used

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  • A video conferencing system and its audio quality diagnosis method
  • A video conferencing system and its audio quality diagnosis method
  • A video conferencing system and its audio quality diagnosis method

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0094] Such as figure 1 Shown, a kind of video conferencing system, comprises switchboard, MCU, RTMP live equipment, audio quality diagnostic system; Described switchboard, RTMP live equipment, audio quality diagnostic system are connected successively; Described MCU is connected with switchboard, and described switchboard Receive and process the original stream audio data, the MCU sends an instruction signal to control the switch, the switch sends the processed original stream audio data to the RTMP live broadcast device through port mirroring, and the RTMP live broadcast device sends the processed original The streaming audio data is sent to the audio quality diagnosis system according to the Real Time Messaging Protocol (RTMP), and the indicators of the audio data are diagnosed, the audio quality is judged according to the diagnosis results, and the audio quality diagnosis results are output.

[0095] The audio quality diagnosis system includes:

[0096] Obtain the origina...

Embodiment 2

[0103] Such as figure 2 Shown, a kind of audio quality diagnosis method comprises the following steps:

[0104] Step 1: Obtain the original stream data; perform port mirroring on the switch connected to the MCU in the video conferencing system, obtain the original stream data in the meeting, and use the RTMP live broadcast device to push the original stream data in the form of RTMP;

[0105] Step 2: Obtain audio stream data; Utilize FFMPEG computer program to decode and transcode the original stream data pushed by RTMP in step 1 to obtain audio stream data;

[0106] The FFMPEG computer program is used to record and convert digital audio and video, and can be converted into an open source computer program for streaming.

[0107] Step 3: Obtain audio frames; divide the audio stream data in step 2 according to time segments, and obtain audio frame data of different segments;

[0108] Step 4: audio diagnosis; perform audio diagnosis on the indicators of the audio frame data in ...

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Abstract

A video conferencing system, related to the field of multimedia communication, which analyzes, diagnoses, evaluates and warns the audio quality of the video conferencing system; includes a switch, MCU, RTMP live broadcast equipment, and audio quality diagnostic system; switch, RTMP live broadcast equipment, and audio quality diagnostic system Connect in turn; MCU and switch and connect; the switch receives and processes the original stream audio data, the MCU sends a command signal to control the switch, the switch sends the signal to the RTMP live broadcast device through port mirroring, and the RTMP live broadcast device sends the signal to the audio according to the real-time message transmission protocol In the quality diagnosis system, each index of the audio data is diagnosed, the audio quality is judged and the audio quality diagnosis result is output; an audio quality diagnosis method includes: obtaining original stream data; obtaining audio stream data; obtaining audio frames; audio diagnosis; Output diagnostic results to ensure the smoothness of video conferences.

Description

technical field [0001] The invention belongs to the technical field of multimedia communication, and relates to a video conferencing system and an audio quality diagnosis method thereof. Background technique [0002] With the rapid development of multimedia and communication technology, video conferencing provides users with the most intuitive meeting experience, which has been recognized by many enterprises. [0003] In the prior art, the Chinese invention patent application with the application number CN201910324555.4 "A Remote Audio-Video Conference System and Processing Method Based on Multi-link Transmission" discloses a remote audio-video conference system based on multi-link transmission and a processing method, including: a client, a multi-link transmission controller, a public network server and an expert terminal; the client is used to collect or input field data required for conference diagnosis and transmit it to the multi-link transmission controller or the publ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/15H04L29/06H04N17/00
CPCH04L65/80H04N7/15H04N17/00
Inventor 沈先波何兵兵石海春张超徐飞
Owner HEFEI YOUO ELECTRONICS TECH
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