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RE: Sensor
- To: ukha_d@xxxxxxx
- Subject: RE: Sensor
- From: Nigel Orr <Nigel.Orr@xxxxxxx>
- Date: Thu, 17 Aug 2000 08:24:46 +0100
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
At 16:10 16/08/00 +0100, you wrote:
>2) I'd bet a fiver that plugging in to the headphone socket switches
the TV
>speakers off - no TV sound!!
Probably. Usually pushing the plug partly in gets you sound without doing
the disconnect, but it's not very reliable.
>Plus, I don't actually know whether the headphone output could be
connected
>directly to one of Comforts zone inputs?
Bit of a long shot, I would have thought, you'd probably still need a bit
of gain and a capacitor to make it look less like a small wiggly waveform
and more like a big straight one! Without gain, you still might be able to
detect it using Comfort's analogue inputs. Headphone out is usually around
line level, or less, say 0.5V rms for a fairly loud listening
level? Again, it mightn't be a very tricky circuit... if I get round to
the composite video version (ha ha ha! Maybe next year...), I might post
the schematic... headphone version would be remarkably similar...
Actually, have a look at http://www.sound.au.com/project38.htm
. I came
across it a couple of days ago, looking for ideas for a slightly different
application here at work, and it should do the job nicely.
Nigel
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