Amazon Music Developer
Audio Formats
As a customer obsessed company, Amazon Music Team has worked on offering a broad user experience through its wide variety of music formats.
In addition to standard definition (SD) audio, tracks in the Amazon Music catalog can be available in high-definition (HD) and ultra-high-definition (UHD) lossless formats; we've even gone a step further and made spatial audio in Dolby Atmos and Sony 360RA formats available.
Please note:
- Not every audio track is available in all formats.
- For Free and Prime, only standard definition (SD) is available.
Display Guidelines
To ensure the best customer experience, displaying of information related to audio formats/qualities shall follow below guidelines.
Badges Content
Depending on the received Audio Quality, the partner should display badges with the corresponding Badge Content following this mapping::
| Audio Quality | Badge Content |
|---|---|
| HD | HD |
| UHD | Ultra HD |
| ATMOS | Atmos |
| 360RA | 360 |
Badges Displaying
Badges should be displayed based on the following guidelines:
- Partners should only display audio qualities the integration is capable of playing back
- For entities that only have SD audio quality, no badge should to be displayed to the user
- For entities that only have HD or UHD audio qualities, only the highest available quality should be displayed
- For entities with ATMOS and/or 360RA audio qualities, these should be displayed
Some examples of above guidelines:
Example 1: API returns SD; no badge should be displayed
Example 2: API returns SD, HD, UHD; displayed badge should be UHD
Example 3: API returns HD, UHD, ATMOS; displayed badges should be UHD and ATMOS
Example 4: API returns HD, 360RA; displayed badges should be HD and 360RA
Example 5: API returns HD, UHD, ATMOS, 360RA; displayed badges should be UHD, ATMOS, 360RA
Audio Formats
General Information
| SD | HD | UHD | Dolby Atmos | Sony 360 Reality Audio (360 RA) |
|
|---|---|---|---|---|---|
| Subscription Tiers | Free, Prime, Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
| Streaming Protocol | MPEG-DASH | MPEG-DASH | MPEG-DASH | MPEG-DASH | MPEG-DASH |
| Container File Format | ISO BMFF / MP4 | ISO BMFF / MP4 | ISO BMFF / MP4 | ISO BMFF / MP4 | ISO BMFF / MP4 |
| DRM / Encryption | Widevine L3 / AESI28-CTR | Widevine L3 / AESI28-CTR | Widevine L3 / AESI28-CTR | Widevine L3 / AESI28-CTR | Widevine L3 / AESI28-CTR |
| Audio Format | OPUS | FLAC | FLAC | Dolby Digital Plus Joint Object Coding (DD+JOC / EAC3-JOC) | MPEG-H (MHA1) |
| Bit Depth | 16 bit | 16 bit | 24 bit | 16 bit | 16 bit |
| Sampling Rate | 48 kHz | 44.1 kHz | 48 kHz 96 kHz (optional) 192 kHz (optional) |
48 kHz | 48 kHz |
| Bandwidth Variants | 48 kbps 192 kbps 320 kbps |
800 kbps (average) | 1600 kbps (average) 2800 kbps (average) 5000 kbps (average) |
384 kbps (6 channels - not Atmos) 448 kbps (16 bed objects) 768 kbps (16 bed objects) |
320 kbps (8 channels, 7.1) 640 kbps (12 channels, 7.1.4) 1024 kbps (12 channels, 7.1.4) 1536 kbps (24 channels, 22.2) |
Codecs
| Opus | SD | A lossy codec used to deliver SD audio |
| FLAC | HD | A lossless codec used to deliver HD and UHD audio |
| Dolby Digital Plus | Spatial | A lossless codec used to deliver Dolby Atmost spatial audio |
| MPEG-H 3D | Spatial | A lossless codec used to deliver Sony 360 RA spatial audio |