Supported codecs.

Supported Codecs

On mobile OS

Actually, the following codecs are supported by flutter_sound:

  iOS encoder iOS decoder Android encoder Android decoder
AAC ADTS ✅ ✅ ✅ (1) ✅
Opus OGG ✅ (*) ✅ (*) ❌ ✅ (1)
Opus CAF ✅ ✅ ❌ ✅ (*) (1)
MP3 ❌ ✅ ❌ ✅
Vorbis OGG ❌ ❌ ❌ ✅
PCM16 ✅ ✅ ✅ (1) ✅
PCM Wave ✅ ✅ ✅ (1) ✅
PCM AIFF ❌ ✅ ❌ ✅ (*)
PCM CAF ✅ ✅ ❌ ✅ (*)
FLAC ✅ ✅ ❌ ✅
AAC MP4 ✅ ✅ ✅ (1) ✅
AMR NB ❌ ❌ ✅ (1) ✅
AMR WB ❌ ❌ ✅ (1) ✅
PCM8 ❌ ❌ ❌ ❌
PCM F32 ❌ ❌ ❌ ❌
PCM WEBM ❌ ❌ ❌ ❌
Opus WEBM ❌ ❌ ✅ ✅
Vorbis WEBM ❌ ❌ ❌ ✅

This table will eventually be upgraded when more codecs will be added.

  • ✅ (*) : The codec is supported by Flutter Sound, but with a File Format Conversion. This has several drawbacks :
    • Needs FFmpeg. FFmpeg is not included in the LITE flavor of Flutter Sound
    • Can add some delay before Playing Back the file, or after stopping the recording. This delay can be substancial for very large records.
  • ✅ (1) : needs MinSDK >=23

On Web browsers

  Chrome encoder Chrome decoder Firefox encoder Firefox decoder Webkit encoder (safari) Webkit decoder (Safari)  
AAC ADTS ❌ ✅ ❌ ✅ ❌ ✅  
Opus OGG ❌ ✅ ✅ ✅ ❌ ❌  
Opus CAF ❌ ❌ ❌ ❌ ❌ ✅  
MP3 ❌ ✅ ❌ ✅ ❌ ✅  
Vorbis OGG ❌ ✅ ❌ ✅ ❌ ❌  
PCM16 ❌ ✅ ❌ ✅ ❌ ❌ (must be verified)
PCM Wave ❌ ✅ ❌ ✅ ❌ ❌  
PCM AIFF ❌ ❌ ❌ ❌ ❌ ❌  
PCM CAF ❌ ❌ ❌ ❌ ❌ ✅  
FLAC ❌ ✅ ❌ ✅ ❌ ✅  
AAC MP4 ❌ ✅ ❌ ✅ ✅ ✅  
AMR NB ❌ ❌ ❌ ❌ ❌ ❌  
AMR WB ❌ ❌ ❌ ❌ ❌ ❌  
PCM8 ❌ ❌ ❌ ❌ ❌ ❌  
PCM F32 ❌ ❌ ❌ ❌ ❌ ❌  
PCM WEBM ❌ ❌ ❌ ❌ ❌ ❌  
Opus WEBM ✅ ✅ ✅ ✅ ❌ ❌  
Vorbis WEBM ❌ ✅ ❌ ✅ ❌ ❌  
  • On Webkit (Safari and all browsers on iOS can only record MP4.
  • Opus WEBM is a great Codec. It works on everything (mobile and Web Browsers), except Apple
  • Edge is same as Chrome
Tags: guide