| Value | Meaning |
|---|---|
| Raw0 | samples in linear or float |
| MuLaw1 | samples in mulaw |
| ALaw2 | samples in alaw |
| ImaAdpcm3 | samples in ima adpcm |
| Mpeg4 | samples in mpeg audio (but not AAC) format |
| Gsm5 | samples in gsm format |
| Iec9586 | samples in IEC958 frames (e.g. AC3) |
| Ac37 | samples in AC3 format |
| Eac38 | samples in EAC3 format |
| Dts9 | samples in DTS format |
| Mpeg2Aac10 | samples in MPEG-2 AAC ADTS format |
| Mpeg4Aac11 | samples in MPEG-4 AAC ADTS format |
| Mpeg2AacRaw12 | samples in MPEG-2 AAC raw format (Since: 1.12) |
| Mpeg4AacRaw13 | samples in MPEG-4 AAC raw format (Since: 1.12) |
| Flac14 | samples in FLAC format (Since: 1.12) |
| Dsd15 | samples in DSD format (Since: 1.24) |
The format of the samples in the ringbuffer.