The supported sample rates of audio vary based on the encoding format or container format. This topic describes the audio sample rates supported by ApsaraVideo Media Processing (MPS).
The following table describes the audio sample rates supported by different encoding formats if the output audio is encoded in formats other than MP3.
Audio sample rate/Encoding format | AAC | AC3 or EC3 | FLAC | Opus | Vorbis | WMA | PCM (S16BE) |
8000 | Supported | Not supported | Supported | Supported | Supported | Supported | Supported |
11025 | Supported | Not supported | Supported | Not supported | Supported | Supported | Supported |
12000 | Supported | Not supported | Supported | Supported | Supported | Not supported | Supported |
16000 | Supported | Not supported | Supported | Supported | Supported | Supported | Supported |
22050 | Supported | Not supported | Supported | Not supported | Supported | Supported | Supported |
24000 | Supported | Not supported | Supported | Supported | Supported | Not supported | Supported |
32000 | Supported | Supported | Supported | Not supported | Supported | Supported | Supported |
44100 | Supported | Supported | Supported | Not supported | Supported | Supported | Supported |
48000 | Supported | Supported | Supported | Supported | Supported | Supported | Supported |
88200 | Supported | Not supported | Supported | Not supported | Supported | Supported | Supported |
96000 | Supported | Not supported | Supported | Not supported | Supported | Supported | Supported |
The following table describes the audio sample rates supported by different container formats if the output audio is encoded in the MP3 format.
Audio sample rate/Container format | FLV | MP4 | AVI, M3U8, MP3, MKV, MOV, or TS |
8000 | Not supported | Not supported | Supported |
11025 | Not supported | Not supported | Supported |
12000 | Not supported | Not supported | Supported |
16000 | Not supported | Supported | Supported |
22050 | Supported | Supported | Supported |
24000 | Not supported | Supported | Supported |
32000 | Not supported | Supported | Supported |
44100 | Supported | Supported | Supported |
48000 | Not supported | Supported | Supported |
88200 | Not supported | Not supported | Not supported |
96000 | Not supported | Not supported | Not supported |