Audio encoding type and corresponding package file
The following form
| encoding type | explain | file encapsulation |
|---|---|---|
| audio/mp4a-latm | MPEG-4 Audio Advanced Audio Coding (AAC) Low-Overhead Audio Transport Multiplex (LATM) compressed audio format | mp4 |
| audio/3gpp | Audio coding format defined by 3rd Generation Partnership Project (3GPP) | 3GP |
| audio/amr-wb | Adaptive Multi-Rate Wideband (AMR-WB) encoded audio format for wideband voice communications | 3GP and AMR |
| audio/flac | Free Lossless Audio Codec (FLAC) lossless audio coding format, high-fidelity sound quality | flac and mkv |
| audio / g711 - light | Audio encoding in G.711 a-law format, commonly used in VoIP | Will not be encapsulated separately, but use other encapsulation formats in VoIP (Voice over IP) and streaming media transmission |
| audio/g711-mlaw | Audio encoding in G.711 μ-law format, commonly used in VoIP | ditto |
| audio/mpeg | Audio encoding in MPEG Audio Layer 3 (MP3) format, a widely used lossy compression format. | MP3 or mp4 |
| audio/work | Opus audio coding format, an open and efficient audio coding standard | Matroska (.mkv) format or Ogg wrapper (.ogg) format. |
| audio/raw | audio raw data | wav |
| audio/vorbis | Vorbis audio coding format, an open, high-quality lossy audio coding standard | Ogg package (.ogg) format, can also be packaged in Matroska (.mkv) files |
| audio/gsm | Audio coding in GSM (Global System for Mobile Communications) 06.10 format for GSM networks and voice communications | It will not be encapsulated separately, but other encapsulation formats are used in GSM (Global System for Mobile Communications) network and audio communication. |