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Re: Channel up-mixing / down-mixing, how to compute num channels of connection?

From: s p <sebpiq@gmail.com>
Date: Mon, 15 Jul 2013 21:44:16 +0400
Message-ID: <CAGKuoCVN0CqDbC1Hrs8V1do0Wqm0DaOedg4EJqLhvefQFMiM1A@mail.gmail.com>
To: public-audio@w3.org
Or is it so that the max number of channels from outputs is inferred by the
number of channels in the buffers received from upstream?


2013/7/14 s p <sebpiq@gmail.com>

> Hi!
>
> Reading the chapter "9 - channel up-mixing / down-mixing", from what I
> understand the number of channels should be computed for each input.
> However it says :
>
> > “max”: computedNumberOfChannels is computed as *[the maximum of the
> number of channels of all connections]*.
>
> So how I understand it is that you actually need the number of channels of
> each output for computing "computedNumberOfChannels". But I couldn't
> quite figure out how to compute the number of channels of an ouput. Is the
> node's raw channelCount?
>
> Or did I get it all wrong?
>
> Sebastien Piquemal
>
> PS : for info, I am in the process of implementing the Web Audio API spec
> for Node.js (https://github.com/sebpiq/node-web-audio-api).
>
Received on Tuesday, 16 July 2013 21:27:39 UTC

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