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
- Audio Codecs
- Audio Containers
- Audio Streaming Formats
- Audio Playlists
- Music Service Provider (MSP) Audio Formats
As we learn from you and introduce compatibility with new media codecs, containers, and streaming formats, this document will be improved and updated.
The current guidelines were published on August 10, 2017.
|MP3||32 - 256 kbps||44.1 kHz
|AAC||32 - 256 kbps||44.1 kHz
|Vorbis||VBR||8 kHz - 192 kHz|
|Opus||6 kbps - 510 kbps, CBR, VBR||8 kHz - 48 kHz|
|MPEG-TS||MP1, MP2, MPEG4 Audio|
Audio Streaming Formats
|HLS Live - See Section 6.3.4 of the HLS Spec.||7||MPEG-TS, ADTS, MP3|
|HLS (VOD)||MPEG-TS, ADTS, MP3||N||N|
|PLS||Supported Codecs, SHOUTcast, M3U/M3U8||N/A||N/A|
|M3U/M3U8||Supported Codecs, SHOUTcast, M3U/M3U8||N/A||N/A|
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 Music¹||HLSv4 (Muxed with MPEG-TS)||M3U8||MPEG-TS with ADTS||AAC LC, HE-AAC||256 Kbps (AAC)|
|Amazon Music²||Progressive||N/A||MP4||AAC||Up to 256 kbps|
|Amazon Music³||Progressive||N/A||MP3||MP3 (VBR), MP3 (CBR)||Up to 320 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)|
¹ - Prime and Unlimited music will be provided in this audio format.
² - Music owned by the customer, either purchased or uploaded Amazon's Cloud Locker Service, may be streamed in this audio format.
³ - Music owned by the customer, either purchased or uploaded Amazon's Cloud Locker Service, may be streamed in this audio format.
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.