Opus codec

码农软件 · 软件分类 · 多媒体处理 · 2019-09-14 12:58:10

软件介绍

概览

Opus codec是用来在因特网上传输互动的视频和音频的。它是由IETF Codec工作组协同Skype的SILK codec和Xiph.Org的CELT codec设计的。

技术细节

Opus codec 被设计来处理大部分的交互式音频和视频包括,Voice over IP,网络会议,游戏中聊天,甚至远程音乐会。它可以在不同的网络带宽环境中自适应。目前的功能有:

  • Sampling rates from 8 to 48 kHz
  • Bit-rates from 6 kb/s 510 kb/s (*)
  • Support for both constant bit-rate (CBR) and variable bit-rate (VBR)
  • Audio bandwidth from narrowband to full-band (*)
  • Support for speech and music (*)
  • Support for mono and stereo (*)
  • Frame sizes from 2.5 ms to 60 ms (*)
  • Good loss robustness and packet loss concealment (PLC)
  • Floating point and fixed-point implementation

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