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Review of Audio Output Devices API from Audio Working Group

From: Stefan Håkansson LK <stefan.lk.hakansson@ericsson.com>
Date: Wed, 19 Oct 2016 13:21:18 +0000
To: Joseph Berkovitz <joe@noteflight.com>, "matthew.paradis@bbc.co.uk" <matthew.paradis@bbc.co.uk>, Audio Working Group <public-audio@w3.org>
Message-ID: <1447FA0C20ED5147A1AA0EF02890A64B4B0A9F03@ESESSMB209.ericsson.se>
Dear Audio Working Group,

The WebRTC Working Group and Device and Sensors Working Group are 
working toward publishing their Audio Output Devices API to Candidate 
Recommendation and are thus seeking review from a variety of groups on 
the document:

We are particularly interested on feedback on the following aspects from 
the Audio Working Group:
- The modification of the AudioContext constructor defined in the Web 
Audio specification
- The mechanism to target pre-defined audio devices

We of course also welcome feedback on any other aspect of the 

We understand that the Audio Working Group is also interested in seeing 
progress on the possibility of discovering audio output devices and 
their characteristics outside of getUserMedia usage - the current plan 
is for this to be developed in a separate specification, but we also 
welcome feedback on the best way forward for that new feature.

We would appreciate to receive feedback before November 11. We hope to 
transition request to Candidate Recommendation by the end of this year.

If you have any comments, we prefer you submit them as Github issues:

Alternatively, you can send your comments by email to 


For the WebRTC and DAS chairs,
Stefan Hakansson
Received on Wednesday, 19 October 2016 13:21:52 UTC

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