Audio sampling rates (for videos)
| Audio Codec | Sampling Rate |
|---|---|
| MPEG-1/MPEG-2 Layer I | 48 kHz, 448 kbit/s |
| MPEG-1/MPEG-2 Layer II | 48 kHz, 384 kbit/s |
| MPEG-1/MPEG-2 Layer III | 48 kHz, 320 kbit/s |
| WMA 2/3/4/5/6/7/8/9 | 48 kHz, 320 kbps, 5.1ch |
| AAC | 96 kHz, 6ch |
| RAAC | 96 kHz, 6ch |
| HEAAC | 96 kHz, 6ch |
| (MPEG4) AAC | 96 kHz, 6ch |
| AMR | 8 kHz, 1ch |
| AC3/AC3+ | MS12 |
| AC4 | MS12 |
| EAC3 | MS12 |
| PCM | 8ch, 192 kHz |
| PCM_S8 | 8ch, 192 kHz |
| PCM_U8 | 8ch, 192 kHz |
| LPCM | 8ch, 192 kHz |
| PCM_S16BE | 8ch, 192 kHz |
| PCM_U16LE | 8ch, 192 kHz |
| PCM_U16BE | 8ch, 192 kHz |
| PCM_S16LE | 8ch, 192 kHz |
| ADPCM | 2ch, 48k |
| OPUS (HTML5 YouTube) | 6ch |
| FLAC | 96k, 6ch |
| VORBIS | 192 kHz, 6ch |
| AMR_NB | 8 kHz, 1ch |
| AMR_WB | 16 kHz, 1ch |
| WAVEFORMATEX | 8ch, 192 kHz |
| G711 A/mu-law | 8ch |