Re: downmixing rules are path-dependent

On Sun, Jan 13, 2013 at 6:42 PM, Robert O'Callahan <robert@ocallahan.org>wrote:

> I'm surprised to see that according to
> https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#down-mix,
> downmixing from 5.1 -> quad -> stereo gives different results from 5.1 ->
> stereo. Other combinations have similar issues. Is that intentional? (What
> motivated the choice of these rules?)
>

I think these are fairly standard down-mixing coefficients, mostly coming
from the ITU-R standards.

Chris


>
> Rob
> --
> Jesus called them together and said, “You know that the rulers of the
> Gentiles lord it over them, and their high officials exercise authority
> over them. Not so with you. Instead, whoever wants to become great among
> you must be your servant, and whoever wants to be first must be your
> slave — just as the Son of Man did not come to be served, but to serve,
> and to give his life as a ransom for many.” [Matthew 20:25-28]
>