- From: Chris Rogers <crogers@google.com>
- Date: Wed, 29 May 2013 10:29:10 -0700
- To: Ehsan Akhgari <ehsan.akhgari@gmail.com>
- Cc: "Robert O'Callahan" <robert@ocallahan.org>, Paul Adenot <paul@paul.cx>, "public-audio@w3.org" <public-audio@w3.org>
- Message-ID: <CA+EzO0k7w2njzm1hP-AwS6cB_ybzT89W5hsTtB1u-sbM5ZZg0g@mail.gmail.com>
On Wed, May 29, 2013 at 7:58 AM, Ehsan Akhgari <ehsan.akhgari@gmail.com>wrote: > > On Mon, May 27, 2013 at 9:11 PM, Robert O'Callahan <robert@ocallahan.org>wrote: > >> The last time maxChannelCount and multichannel output came up, I >> suggested that AudioDestinationNode should default channelCountMode to >> 'max' instead of 'explicit', so many users of Web Audio would not need to >> use maxChannelCount at all --- they could just produce as many channels as >> they want, and the Web Audio implementation would downmix (or upmix) to the >> actual speaker configuration. (Especially convenient when the speaker >> configuration changes over time.) I don't recall any replies to that >> suggestion. I still like it :-). >> > > I think we should do this. crogers, do you agree? > I am reluctant to change that part right now until we've had a chance to explore all the ramifications. As I mentioned before, it gets a bit tricky especially when you have multi-channel devices with large number of channels, not necessarily connected to speaker system in the way you might think. > > >> If we do that, it's still useful to expose maxChannelCount on >> AudioDestinationNode --- it lets advanced users customize the audio graph >> to the number of speakers. However, I don't think we need maxChannelCount >> on MediaStreamDestinationAudioNode. What would it even mean? I don't think >> we can detect the number of speakers a MediaStream is feeding into --- it >> could be feeding into many sinks, or none, or into a sink like a >> MediaRecorder that can handle any number of channels equally well. >> > > Yeah, I agree with roc here. I don't think it makes sense to specify a > maxChannelCount on MediaStreamAudioDestinationNode... > I agree too, just to clarify. > > -- > Ehsan > <http://ehsanakhgari.org/> > >
Received on Wednesday, 29 May 2013 17:29:42 UTC