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Crestnet noise in audio.....help
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Topic: | Crestnet noise in audio.....help This thread has 4 replies. Displaying all posts. |
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Post 1 made on Saturday February 9, 2002 at 22:11 |
Matt Founding Member |
Joined: Posts: | August 2001 1,802 |
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I'm working on a system that is using crestron as a control system. Within this system we are using ST-VC modules to control the volume...
The audio passing through these devices have noise that sounds like a data transmission and corresponds with the Crestnet indicator on the front of the unit. If I unplug the Crestnet connector from the Pro2 unit, the sound goes away (still get audio through the ST-VC's, the vc's 'remember' their current setting until reload).
I cannot for the life of me get rid of this noise, I have grounded the Crestnet lines, checked gain structure etc. Granted, this isn't a loud level thing, but you can definatly hear it in the audio when it's 'quiet' IE no mics or audio running through the system. Unfortunatly, this happens quite often in a board room setting.
Anyone with an idea or two PLEASE share them with me.
Thank you!!
ps: The VC's are only about 1 foot away from the Pro2
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Post 2 made on Sunday February 10, 2002 at 00:48 |
kevin henderson No Longer Registered |
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I had this problem once, all I could do to fix it is turn the gain down on the amps. Kev
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OP | Post 3 made on Sunday February 10, 2002 at 11:10 |
Matt Founding Member |
Joined: Posts: | August 2001 1,802 |
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Unfortunatly, it's being distributed to media plates etc....and when they preamp it to a 'acceptable' level, it's still there.
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Post 4 made on Monday February 11, 2002 at 15:52 |
Tony Golden No Longer Registered |
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You should try amplifying the source *before* it goes into the volume controls. That way, you can reduce the gain on the amps or the media plate's pre-amps, and still have acceptable sound level -- in theory :-) Also, try posting the question to the Crestron programmers group at [Link: groups.yahoo.com]
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OP | Post 5 made on Tuesday February 12, 2002 at 22:43 |
Matt Founding Member |
Joined: Posts: | August 2001 1,802 |
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I'm already running +4dBu into the VC's at nominal levels...Pro audio levels.
Crestron replied to my emails and have said there is a fix for this.
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