mkb79

I'm absolutely low on time this week. But you can try out yourself if you can download and decrypt the atmos audio. You have to make a `POST` request to...

@devnoname120 The iOS and Android Audible apps are requesting the same API to make a license request. Therefore, you just have to find out which request body the Android app...

If you remove `FairPlay` from supported drm_types it will download the book in AAXC (Adrm mode)! I does not know if it using Dolby Atmos. But it uses the `mp4a.40.2`...

I've tried it with the codecs ec+3 and ac-4. Drm_types where set to Mpeg, PlayReady, Hls, Dash, Widevine, HlsCmaf, Adrm (only removing FairPlay). This will give me a HTTP 404...

I've documented some new API endpoints related to the FairPlay DRM. Steps to download Dolby Atmos titles: 1. The client makes a [licenserequest](https://audible.readthedocs.io/en/master/misc/external_api.html#post--1.0-content-(string-asin)-licenserequest). 2. It receives the response containing a...

@devnoname120 I’ve found out how I can extract the uri from the m3u8 file and download the Dolby Atmos mp4 file. Now I've to find out how to decrypt these...

The m3u8 playlist contains the mp4 file location. With these information you can build the correct URI to the mp4 file. These file must be downloaded using a special `Range`...

Thank you very much. That seams a licenserequest for streaming purposes. `use_adaptive_bit_rate` is typically for streaming requests. `acr` is the `amazon content reference`. This value is unique for each book/asin/codec?/version...

@devnoname120 Specifying an User-Agent makes no different. But I'm checked the downloaded book [B0BGYDYQ38](https://www.audible.de/pd/The-Nox-Hoerbuch/B0BGYDYQ38) with MediaInfo ```zsh General Complete name : audio.mp4 Format : MPEG-4 Format profile : Base Media...

@Mbucari Thank you very much for sharing your findings. Since I don't have an Android device, I unfortunately couldn't find out the exact registration body. This will help a lot....