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有多少种类型的CODECS ?
PostedAugust 11, 2021
UpdatedAugust 11, 2021
Byadmin
Codec(编/解码器)的作用是将模拟信号转换成数字信号,以便在数据网络上传输。以下是目前正在使用的Codec。
- GSM – 13 Kbps (全速), 20毫秒帧尺寸
- iLBC – 15Kbps,20毫秒帧尺寸: 13.3 Kbps, 30毫秒帧尺寸
- ITU G.711 – 64 Kbps, 基于样本的,也叫alaw/ulaw
- ITU G.722 – 48/56/64 Kbps
- ITU G.723.1 – 5.3/6.3 Kbps, 30毫秒帧尺寸
- ITU G.726 – 16/24/32/40 Kbps
- ITU G.728 – 16 Kbps
- ITU G.729 – 8 Kbps, 10毫秒帧尺寸
- Speex – 2.15 to 44.2 Kbps
- LPC10 – 2.5 Kbps
- DoD CELP – 4.8 Kbps
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