Hey Syed,

Those are some big partners! Thanks for letting us know. LGTM1

Best,

Alex

On Monday, August 10, 2026 at 1:05:12 PM UTC-7 [email protected] wrote:

> Hey Alex,
>
> Thanks for taking the time to read my request! Apologies, I had forgotten 
> to link to the chromestatusentry page, it was on the last line of the draft 
> and I missed it. 
>
> You are correct that this feature will not appear on iOS. I believed that 
> not including a milestone number for iOS would suffice, but I can see how 
> that is still confusing. I have now added a sentence to "Dev trials and 
> iterate on design" > "Platform support explanation". Please let me know if 
> there is a better place for this!
>
> I was initially hesitant about listing the interested partners (they did 
> not explicitly ask to be named), but currently LG and Samsung are 
> interested in IAMF decoding for their TVs. For content streaming providers 
> the main two are Netflix and YouTube. 
>
> Also, I did NOT click the API Owners Draft Intent to Ship email as it did 
> not appear I could edit any of the prefilled sections (I wanted to include 
> more information and change the Subject line). I can click Post if that is 
> the only way to start the API Owners review process.
>
> Let me know if you have any more questions!
>
> Thanks,
> Syed AbuTalib
>
> On Mon, Aug 10, 2026 at 11:59 AM Alex Russell <[email protected]> 
> wrote:
>
>> Hey Syed,
>>
>> Sorry for the slow reply. Dan noticed this Intent from the mailing list, 
>> but also that it wasn't flagged in the API OWNERS review queue in 
>> chromestatus; perhaps because it didn't link to the feature?:
>>
>> https://chromestatus.com/feature/5113656292540416?gate=6110241444986880
>>
>> Jason: do you happen to know why that might have happened in this 
>> instance?
>>
>> As for the content of the intent, I'm very excited to see IAMF coming to 
>> the web platform; thank you for making it happen.
>>
>> I'm a little confused that the Status entry doesn't flag that we won't be 
>> able to deliver this feature to Chrome for iOS, given that we're limited by 
>> Quicktime there, which doesn't have IAMF IIRC?
>>
>> Also, it's a bit surprising that we don't have any understanding of web 
>> developer interest noted. Presumably there are partners and publishers that 
>> are interested in this work. Are we able to either identify them, or have 
>> them weigh in here or in GitHub as potential adopters? Adding new formats 
>> to the web is an expensive thing to try to unwind, so it would be good to 
>> be sure this will be adopted if/when launched.
>>
>> Best,
>>
>> Alex
>>
>> On Wednesday, August 5, 2026 at 2:00:24 PM UTC-7 [email protected] wrote:
>>
>>> Contact emails
>>>
>>> [email protected], [email protected]
>>>
>>> Explainer
>>>
>>> https://github.com/SyedAbuTalib/iamf-explainer/blob/main/explainer.md
>>>
>>> Specification
>>>
>>> https://aomediacodec.github.io/iamf/latest-approved.html
>>>
>>> Design docs
>>>
>>>
>>> https://docs.google.com/document/d/1G4Km3hxEnXonvgiZo7got_DWIatBrpYbyzk3yIpaV6A/edit?usp=sharing&resourcekey=0-rS2fUcQM7tcKNDoQmk7Tmg
>>>
>>> Summary
>>>
>>> Adds support for decoding and playing back the Immersive Audio Model and 
>>> Formats (IAMF) container within HTML media elements via Media Source 
>>> Extensions (MSE). IAMF is an open, royalty-free spatial audio format that 
>>> supports channel-based, scene-based, and object-based audio presentations. 
>>> Supporting this standard allows web developers to deliver consistent, 
>>> immersive 3D audio experiences across different devices without relying on 
>>> proprietary formats or managing complex discrete audio channel routing in 
>>> JavaScript.
>>>
>>> Blink component
>>>
>>> Blink>Media>Audio 
>>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EMedia%3EAudio%22>
>>>
>>> Web Feature ID
>>>
>>> Missing feature
>>>
>>> Motivation
>>>
>>> Currently, delivering high-quality, immersive 3D audio on the web relies 
>>> heavily on proprietary formats (like Dolby Atmos) or complex custom 
>>> JavaScript audio rendering. IAMF provides a standardized, royalty-free 
>>> container that allows web developers to deliver rich, consistent spatial 
>>> audio experiences across devices for use cases like gaming, AR/VR, and 
>>> streaming media. Adding IAMF support to Chromium's media pipeline aligns 
>>> with the open web ecosystem and ensures a baseline for spatial audio 
>>> interoperability.
>>>
>>> Risks
>>>
>>> Interoperability and Compatibility
>>>
>>> Low interoperability risk. IAMF is an open, royalty-free spatial audio 
>>> format maintained by AOMedia. Initial support in Chromium focuses on IAMF 
>>> streams backed by the Opus codec in MP4 containers delivered via Media 
>>> Source Extensions (MSE). Support can be detected by existing web APIs such 
>>> as canPlayType or media capabilities.
>>>
>>> Gecko: No signal, 
>>> https://github.com/mozilla/standards-positions/issues/1437
>>>
>>> WebKit: No signal, 
>>> https://github.com/WebKit/standards-positions/issues/700
>>>
>>> Web developers: No signals, N/A
>>>
>>> Other signals: Strong interest from external partners.
>>>
>>> Debuggability
>>>
>>> Exposed via chrome://media-internals and DevTools Media panel.
>>>
>>> Will this feature be supported on all six Blink platforms (Windows, Mac, 
>>> Linux, Chrome OS, Android, and Android WebView)?
>>>
>>> Yes
>>>
>>> Supported on all platforms where Chromium media audio decoding is 
>>> supported.
>>>
>>> Is this feature fully tested by web-platform-tests 
>>> <https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>
>>> ?
>>>
>>>
>>> https://github.com/web-platform-tests/wpt/blob/master/media-source/mediasource-iamf-playback.html
>>>
>>>
>>> https://wpt.fyi/results/media-source/mediasource-iamf-playback.html?label=experimental&label=master&aligned
>>>
>>> Flag name on chrome://flags
>>>
>>> None
>>>
>>> Finch feature name
>>>
>>> IamfAudioDecoding
>>>
>>> Requires code in //chrome?
>>>
>>> False
>>>
>>> Tracking bug
>>>
>>> https://crbug.com/535279329
>>>
>>> Estimated milestones
>>>
>>> Shipping on desktop 153
>>>
>>> Shipping on Android 153
>>>
>>> Shipping on WebView 153
>>>
>>> Requesting approval to ship?
>>>
>>> Yes.
>>>
>>>

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