RE: Re: placing microphones...

["Nikola Kasic" <nikola@xxxxxxx>]

I see that you're very happy with your mics so I'll try to follow your route.

What do you use them for, at the moment?

Do you have one in each room, or maybe two in larger rooms like lounge?

Which cable did you use? Someone said that it's very important to put good quality microphone cable. Where did you buy it?

And what's your longest run from mic to mixer?

I am sorry for so many questions, but there are only few people with microphones on this group, so you are very valuable source of information.

It seems that the most important thing is placing them.

Where did you place yours?

At the begining, I'll have my microphone in the lounge only. Therefore, I'll not use mixer yet (have to save money for it first). That's where it will be mostly used for giving commands for controlling devices. My lounge is 6.5mx3.8m. Sofa is opposite to the TV and that's where, usually I'll be giving commands from.

But it's not simple for me to bring microphone close to the sofa. How did you place yours?

How does it behave when TV is playing? Is it capable of distinguishing your voice >from

You have that intelligent mixer and it detects which microphones is receiving sound an makes it active. If TV or music is playing in the lounge, will that lock the mixer to microphone in the lounge, so it will not listen in other rooms?

Cheers,

Nik

 

 

-----Original Message-----
From: psghome2002 [mailto:psghome@xxxxxxx]
Sent: 13 July 2002 19:12
To: ukha_d@xxxxxxxSubject: [ukha_d] Re: placing microphones...

Round 2...

I also put in mics in most rooms for voice recognition. I did a LOT
of research and eventually put in Crown PZM11 wall mics. They're
fairly inobtrusive and based on the US 'J Box' size format (you can
use a J Box or just cut a hole in the wall and use rawl plugs for
the screw fixing - I did both).

The mic quality is great - it's a pressure zone mic and designed to
pick up voice frequencies (has a bit of bass roll-off to cut HVAC
noises etc). I fed these via standard mic cable (very important to
use good quality cable) which is screened (doesn't cost a great deal
either) into a Shure SCM810 intelligent mixer. This mixer supplies
+48V phantom power to the mics. It automatically senses which mic
has the loudest input and switches to that source. Also has a logic
input so you can do some clever stuff linked to HomeVision etc.

Shure web site (www.shure.com)
Crown web site (www.crownaudio.com)

Shure has a good document on why you SHOULD NOT place mics on the
ceiling:

http://www.shure.com/support/technotes/app-ceiling.html

Mics will pick up all noise in the room, so depends on what you want
to do with it.

I'm planning to try and create a whole-house hands-free telephone
system. Don't know how successful it'll be though.

I put a couple of pics on the Yahoo group Photos area - mic and
keypad for audio system - Under subject 'Pauls mics'

Let me know if you want more info.

Paul.



--- In ukha_d@y..., "Nikola Kasic" <nikola@k...> wrote:
> Along with speakers, I plan to put microphones in each room as
well.
> My main question is: what kind of cable I should put in and what's
the
> longest run I can use before degrading signal?
> Also, where should I place microphones, relative to the speakers,
in order
> to avoid feedback and echoing?
> If speaker is close to the microphone and music is coming out of
it, will I
> have to yell in order to be heard by microphone?
> I know that there are very few people with installed microphones
in this
> group. Can they come forward and tell me what's their experience,
which
> cables they used and where did they place microphones.
> Cheers,
> Nik



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