RE: TTS and how to do it?

["Ian Lowe" <ian@xxxxxxx>]

Perhaps it's a design philosophy, but I really prefer the "dumb
node"
approach wherever possible.

Why have an amp + power + mute intelligence in each zone, when you can
have
just a speaker, and a single wire run to it?

I think the idea of using somehting like Ian B's irrigation relay board
to
switch on/off the zones seems like the best (for me anyway!)

perhaps you could use connect the relays such that when closed, the
zone
speaker is in circuit, wheras if it's open, an 4 or 8 ohm power resistor
is
in circuit instead?

Ian.


-----Original Message-----
From: Frank Mc Alinden [mailto:armagh@xxxxxxx]
Sent: 14 June 2002 11:28
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] TTS and how to do it?


Hi Stuart
            As i
said i know very little about audio . But as i understand
Ken is using a single channel audio amp source, which you would send to
all
zones and each zone would have a small amp  with a mute input
controlled by
pc or hv. Does that sound reasonable?

Frank Mc
----- Original Message -----
From: "Stuart Booth" <stuart@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Friday, June 14, 2002 8:16 PM
Subject: Re: [ukha_d] TTS and how to do it?


> On 14 Jun 02, at 20:08, Frank Mc Alinden wrote:
>
> > Hi Ken
>
>            
Dont know much about audio , but i think you will load
>
>            
your amp
> > if you put 8 speakers in parallel. Personally i think Shanes idea
is
> > what i would be looking at.  Small amps in each zone (room)
with a
> > mute input controlled by HA PC or Homevision.
>
> How would you get individual audio channels out of one single PC?
>
> I can output audio to channel (e.g.) 1, 2, 5, and 6 via software,
but
> it's the hardware side of things I don't know about yet.
>
> I'm not at all sure what HV has on this side of things either.
>
> Stuart
>
>
>
>
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>
>



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