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Topic:
Need a pro mic to desk telephone interface
This thread has 3 replies. Displaying all posts.
Post 1 made on Monday May 18, 2020 at 13:37
Ernie Gilman
Yes, That Ernie!
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We're getting into remote meetings where there's one speaker (by this I mean the person speaking) and everyone else listening. The speaker can get quite loud and I hear overload distortion in the present setup, which is simply the speakerphone of an AVAYA 1408 desk telephone.

It's been years since I mucked about with interconnection of phone lines and phones, but it seems like it would help quite a bit if I replaced whatever the hell the phone has for a mic with a broadcast quality mic, and did whatever was necessary to inject its signal into the phone. I'd need to be able to trim the volume (I can easily add a volume control to an analog audio path), and I'd also use a compressor to keep the LOUD parts from distorting.

Do you know of an interface made for this?

I may have dial tone in the room; I haven't checked for that yet. The house wiring at the location is some thirty years old, probably 25 pair... I just haven't looked into it. Since lockdown started, I've only been able to get to the site once, and that was for other issues.

Thanks for any info you can share.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 2 made on Monday May 18, 2020 at 16:19
buzz
Super Member
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Where is the audio consumed? Ultimately is it sent over the phone lines to a remote site?
Post 3 made on Monday May 18, 2020 at 16:32
follow who03
Long Time Member
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April 2003
181
If you just need to get audio into the phone, this goes between the phone and handset and allows you to inject audio from a mixer or other analog source right into the phone:

[Link: jkaudio.com]

Plug a mic into a small mixer for level control and then the output into that and you are good. But if the person speaking needs to listen via speakers to the people on the call, you will need something more expensive like this so there is no feedback on the speakers:

[Link: jkaudio.com]
"We are only immortal for a limited time."
OP | Post 4 made on Monday May 18, 2020 at 17:55
Ernie Gilman
Yes, That Ernie!
Joined:
Posts:
December 2001
29,511
buzz,
A free (not that it matters) conference call company can be called and logged onto for individual listeners to listen. The audio is "consumed" by people across the nation.

Therefore you've got the general idea except that it's not to a site, it's to around 100 sites.



I thought the phones were old enough to be analog, but they are VOIP. Regardless, I still have access to analog audio at the two pairs of wires at the headset connector.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw


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