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dbsquaremedia
Contributor I
June 1, 2023
Answered

Feature request : play local Atmos files

Hi there,  I'm a music professional (sound engineer) with a 7.1.4 Atmos studio in France. I own 2 Arc 300. Those are fantastic speakers for Atmos playback and are paving the way towards Atmos adoption by the general public. Awesome job Sonos ! 

But I need to be able to play local Atmos files (.mp4 with DD+ JOC endoding) for quality control before sending to online services. I need also my clients to be able to do that so they can approve the mixes outside the realm of my studio and their headphones. 

The only way right now appears to be through an apple TV to an HDMI equipped Sonos Beam 2 / Arc with Era 300 as surrounds. This is not ideal, and quite more expensive, and I very much enjoy front facing Era 300 (as surrounds, the front drivers are deactived by design). 

Sonos Era 300 are already streaming DD+ JOC  files from Apple and Tidal, it shouldn't be too difficult to do so from a local NAS / phone ? 

Please Sonos 🙏

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    controlav
    controlavAnswer
    Lead Maestro
    June 3, 2023

    Can you code? You could create a simple music service that serves up your Atmos files over the local network.

    Curious: what file format do you use for Atmos files?

    Author of the leading independent Sonos apps for Android, MacOS, iOS, Windows and Xbox.
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    13 replies

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    bssmn
    Lyricist I
    April 9, 2024

    Hey there,

    I have just bought an Era 300 and the sonos app does not recognise my .mp4 atmos files from the library folder I assigned inside the app.

    Is there a solution for this?

    Thanks

    controlav
    controlav
    Lead Maestro
    April 9, 2024

    Hey there,

    I have just bought an Era 300 and the sonos app does not recognise my .mp4 atmos files from the library folder I assigned inside the app.

    Is there a solution for this?

    Thanks

    MP4 is a container, what codec is used? Needs to be in DD+ JOC format, that is the only format known to work. Sonos don’t document any of their supported formats for spatial audio, this thread is the sole reference we have.

    Author of the leading independent Sonos apps for Android, MacOS, iOS, Windows and Xbox.
    bssmn
    Lyricist I
    April 9, 2024

    well it is an .mp4 export from the standalone Dolby Atmos Renderer.

    it doesn’t have any codec options so I assume it is a DD+ JOC codec?

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