超低码率音频编码器一览

直接上干货:

1. MELP and MELPe Vocoder (codec):https://www.compandent.com/about-melpe/

支持  2400 bit/s ,1200 bit/s,600 bit/s,300 bit/s,需要向compandent购买

2. HVXC@MPEG4 Audio:HVXC(Harmonic Vector Excitation Coding)

https://www.cnblogs.com/gaozehua/archive/2013/05/19/3087427.html

固定比特率有:2kbps和4kbps。可变比特率有:1.2~1.7kbps,需要向MPEG购买

3.AMBE https://www.dvsinc.com/software/technology.shtml#ambelr

AMBE-LR: 1.6 - 1.8 kbps,需要向dvsinc购买

4. Codec 2 http://www.rowetel.com/?page_id=452

开源免费 Codec 2 is an open source speech codec designed for communications quality speech between 700 and 3200 bit/s

https://github.com/drowe67/codec2

5. SELP 清华大学崔慧娟老师

0.3k~4.8k bps

https://xueshu.baidu.com/usercenter/paper/show?paperid=2e90f79c330c0c95197462c18a179ac8

6.HELP 北京工业大学 鲍长春老师

内容不详

posted @ 2021-06-18 21:40  c6000  阅读(1216)  评论(0编辑  收藏  举报