Recommended Media Support


This document lists codecs, containers, streaming formats, and playlists, that your product should support to provide a familiar Alexa experience to your customers.

Living Document

As we learn from you and introduce compatibility with new media codecs, containers, and streaming formats, this document will be improved and updated.

Audio Codecs

Codec Bitrate Sample Rate Tags
MP3 32 - 256 kbps 44.1 kHz
48 kHz
ID3v2
AAC 32 - 256 kbps 22.05 kHz
44.1 kHz
48 kHz
 
WAV/PCM N/A 44.1 kHz
48 kHz
 
Vorbis VBR 8 kHz - 192 kHz  
Opus 6 kbps - 510 kbps, CBR, VBR 8 kHz - 48 kHz  
xHE-AAC VBR 44.1 kHz  

Audio Containers

Container Payload Codec
OGG Vorbis
OGG Opus
MP4/M4A AAC
MPEG-TS MP1, MP2, MPEG4 Audio
ADTS AAC
ISO-BMFF AAC, xHE-AAC

Audio Streaming Formats

Streaming Format Version Codec
SHOUTcast/Icecast N/A MP3, AAC
HLS VOD 4 ADTS/AAC
HLS Live - See Section 6.3.4 of the HLS Spec. 7 MPEG-TS, ADTS, MP3
MPEG DASH N/A ISO-BMFF/AAC, ISO-BMFF/xHE-AAC

Audio Playlists

Playlist Payload DRM Encryption Adaptive Bitrate
HLS (VOD) MPEG-TS, ADTS, MP3 N N Y
PLS Supported Codecs, SHOUTcast, M3U/M3U8 N N/A N/A
M3U/M3U8 Supported Codecs, SHOUTcast, M3U/M3U8 N N/A N/A
MPD MPD Widevine CENC CTR mode Y
MPD MPD Widevine CENC CBC mode Y

Music Service Provider (MSP) Audio Formats

The following audio formats are supported by Music Service Providers (MSPs).

MSP Streaming Format Playlist Extension Container Codec Bit Rate(s)
Amazon Music MPEG DASH MPD ISO-BMFF SD - Opus
HD - FLAC
Spatial - Dolby Atmos (EAC3)
Sony RA360 (MHA1)
Opus - Up to 320 kpbs
FLAC - Up to 24 bit, 192 kHz
EAC3 - Up to 768 kpbs
MHA1 - Up to 1600 kpbs
Amazon Music Progressive N/A MP3 MP3 256 kpbs
Audible MPEG DASH MPD ISO-BMFF AAC LC, xHE-AAC Up to 128 kbps
Audible HLSv4 M3U8 ADTS AAC LC Up to 128 kbps
iHeartRadio HLSv1 M3U8, PLSv2 N/A AAC, AAC LC, HE-AAC Up to 320 kbps
SiriusXM HLS M3U8 ADTS AAC LC, HE-AAC 256 kbps (AAC LC), 23/64/96 kbps (HE-AAC)
Disclaimer

Implementation of the media codecs, containers, and formats described herein may practice one or more audio and/or visual standards (e.g., MPEG-4, AVC, AAC, etc.). AVS developers, and not Amazon, are solely responsible for procuring any patent rights covering such standards on their AVS products.


Was this page helpful?

Last updated: Feb 16, 2024