> On Jan 5, 2022, at 1:26 AM, Hannes Helmholz <hannes.helmh...@chalmers.se>
> wrote:
>
> On 2022-01-04 20:49, Dylan Marcus wrote:
>> Here is an example app we made when this was introduced:
>> https://github.com/Mach1Studios/M1-AirPodOSC
>> <https://github.com/Mach1Studios/M1-AirPodOSC>
>> This app just shows how to access the orientation and send it to any host
>> via OSC, feel free to use and fork however you like.
>> We also have some iOS examples of this being applied to spatial audio
>> playback via our SDK: https://github.com/Mach1Studios/Pod-Mach1SpatialAPI
>> <https://github.com/Mach1Studios/Pod-Mach1SpatialAPI>
>> You could even modify our “mach1-transcode-example” to playback FOA
>> (transcoding to our Mach1 Spatial vector channel based format and using
>> Mach1Decode to play it back).
>> https://github.com/Mach1Studios/Pod-Mach1SpatialAPI/tree/master/Examples/mach1-transcode-example/mach1-transcode-example
>>
>> <https://github.com/Mach1Studios/Pod-Mach1SpatialAPI/tree/master/Examples/mach1-transcode-example/mach1-transcode-example>
>> ——
>> When it comes to using the orientation from AirPods, we are happy with the
>> performance and access via the CMHeadphoneMotionManager, however this is
>> limited when distributing an app that uses it (read below). As it comes to
>> how the orientation is used in “Apple’s Spatial Audio” we are EXTREMELY
>> unhappy, you can read about that in detail here:
>> https://research.mach1.tech/posts/feedback-on-apple-spatial-audio/
>> <https://research.mach1.tech/posts/feedback-on-apple-spatial-audio/>
>> And
>> https://research.mach1.tech/posts/observations-and-limitations-of-apple-spatial-playback-implementation/
>>
>> <https://research.mach1.tech/posts/observations-and-limitations-of-apple-spatial-playback-implementation/>
>> It should be noted that we have been doing tests of creating open source
>> example codebases to allow artists/labels distribute spatial music via an
>> iOS app until common music services support more spatial audio playback. We
>> have been met with a lot of pushback from Apple which we have been tracking
>> here:
>> https://research.mach1.tech/posts/submitting-spatial-music-apps-to-ios-app-store/
>>
>> <https://research.mach1.tech/posts/submitting-spatial-music-apps-to-ios-app-store/>
>
> Hey Dylan, thanks a lot for your helpful answer here, as well as the code
> contributions and nice documentation on your research blog.
> BTW, it would be even nicer to have the publishing / update dates of the
> individual posts made visible in the blog. :)
Adding the dates and last modified dates as we speak! Thank you for the
feedback!
> It's awesome to see the industry contribute to the community some detailed
> development insights as well as your practical experience with comparing the
> different currently available ways to achieve "spatial audio".
> Keep up the fight for the customer ... apparently against Apple! ;)
Thank you! We have spent so much time demystifying “spatial audio” from
creation to development that we decided it would benefit everyone to share all
our experiences so that we can get stronger uses and creative content for all
kinds of “spatial audio” faster, in the end we are users just as much as
developers and have been so excited about what we have been able to do in
“spatial audio” that we want to hear what others do too!
Feel free to reach out anytime with any questions or suggestions, we are
working hard on an SDK and tools that make multichannel audio more approachable
and simpler.
All the best,
Dylan
340.29 m / s
Dylan Marcus
Technical Director
A Sound Technology Company.
New York New York
The United States of America.
www.mach1.tech
Defenders of the Audio Realm™
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