Re: Outputting multichannel sound through the optical link??
Re: Outputting multichannel sound through the optical link??
- Subject: Re: Outputting multichannel sound through the optical link??
- From: Paul Davis <email@hidden>
- Date: Fri, 5 Feb 2010 11:58:09 -0500
On Fri, Feb 5, 2010 at 11:48 AM, Simon Thorpe
<email@hidden> wrote:
> So, how about this question. Is there any home theatre amplifier out there
> that can understand something as dumb as a simple stream of N different PCM
> samples?
I've not seen one, but I really don't pay any attention to home
theater equipment. When I use a multichannel setup at home or in a
studio, I plug N different active speakers into the outs of an RME
multichannel interface, and i'm more or less done. No "home theater
amplifier" involved.
> If there is, I guess I might just buy one.
>
> If there isn't, then the world is mad.... the simplest thing that an
> amplifier needs to do is to play straight unencoded audio.
with the advent of active speakers this is no longer really true.
these days, you (can) handle multichannel audio by plugging speaker N
directly into channel N.
remember that one way or the other, to get N channels of sound
requires either N amplification circuits or some design compromises.
my impression is that home theater amplifiers generally go for the
compromises but i am sure that varies with price.
> You mention the possibility of a plug in. Great, tell me more! A little bit
> of software that converts a Core Audio multichannel format into something
> that can be understood by my amplifier would be perfect. Surely, someone on
> the core audio list knows how to do that?
i was just speculating. perhaps someone else will comment.
> On the contrary, if anyone anywhere was providing multichannel audiofiles
> that I could load into iTunes and play through my home theatre system,
you might want to give a little thought to the idea that "home
theater" systems are primarily a marketing device. go visit the audio
setups of anyone who does multichannel audio for a living (and is not
doing "surround sound" mixes for a living) and you won't find any home
theater equipment. probably.
> As long as that is true, is clear that the market really is going to be
> relatively small. But the day that you connect any Mac to any hometheatre
> system using a $10 optical link and get glorious multichannel audio, then I
as jeff noted, the $10 optical link has pretty limited bandwidth.
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