RTP audio video profile Audio and video payload types Audio and video payload types

| Payload_type_PT | Name_ | Type_ | No_of_channels | Clock_rate_Hz | Frame_size_ms | Default_packet_size_ms | Description | References_ |
|---|---|---|---|---|---|---|---|---|
| dynamic (or profile) | opus | audio | 1, 2 | 48000 | 2.5, 5, 10, 20, 40, or 60 | 20, minimum allowed value 3 (rounded from 2.5), maximum allowed value 120 (allowed values are 3, 5, 10, 20, 40, or 60 or an arbitrary multiple of Opus frame sizes rounded up to the next full integer value up to a maximum value of 120) | RTP Payload Format for Opus Speech and Audio Codec | draft |
| dynamic (or profile) | speex | audio | 1 | 8000, 16000 or 32000 | 20 |  | RTP Payload Format for the Speex Codec | RFC 5574 |
| dynamic (96-127) | mpa-robust | audio |  | 90000 |  |  | A More Loss-Tolerant RTP Payload Format for MP3 Audio | RFC 5219 |
| dynamic (or profile) | MP4A-LATM | audio |  | 90000 or others |  | recommended same as frame size | RTP Payload Format for MPEG-4 Audio | RFC 6416 (previously RFC 3016) |
| dynamic (or profile) | MP4V-ES | video |  | 90000 or others |  | recommended same as frame size | RTP Payload Format for MPEG-4 Visual | RFC 6416 (previously RFC 3016) |