Sometimes, and not just in my area... I can hear a loud buzzing noise in the background when the dispatchers Tx. Sometimes its there, sometimes its not- most of the time, the dispatchers will start to talk, realize that something is making that noise, fix it and then talk again... I used to think it was a desk light or something but maybe its a phone line? Ive heard it in 3 different counties... I'm thinking its a phone, or open line because at my house, when I pick up my phone, that same buzzing noise is there so maybe its the phone company? Don't know, anyone got anything on that?
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Dispatch Console Issues?
- Thread starter Gezelle007
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n0nhp
Member
Most often caused by the dispatcher not getting their headset plugged all the way in causing an open ground. If the console has side tone, the buzz will be reproduced in the operator's ear.
The buzzing on your phone is probably water in the connections.
Bruce
The buzzing on your phone is probably water in the connections.
Bruce
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one local dispatch here seems to think that the desktop fan should be blowing directly across the mic, they don't use headsets just the boom mic. i cannot get them to understand that moving the fan or turning it off solves the problem of noisey transmission. i've even shown them it solves it, only to have the dispatchers put it right back the minute i am out the door and then call an hour later saying it is doing it again. another noise maker is printers, especially older dot matrix units.
Those so-called dispatchers should have to ride around in the police car in the worst neighborhoods and have to listen to the crappy mic techniques of other dispatchers.
Dispatchers have no clue of the fatigue level of the field unit's personal when having to listen all shift to piss poor microphone/headset usage .
Dispatchers have no clue of the fatigue level of the field unit's personal when having to listen all shift to piss poor microphone/headset usage .
Those so-called dispatchers should have to ride around in the police car in the worst neighborhoods and have to listen to the crappy mic techniques of other dispatchers.
Dispatchers have no clue of the fatigue level of the field unit's personal when having to listen all shift to piss poor microphone/headset usage .
Dispatchers have no clue of the fatigue level of the field unit's personal when having to listen all shift to piss poor microphone/headset usage .
And some field unit personel have no clue of the fatigue level AND stress that these dispatchers go through when having to put up with them. Myself included.
Ooh, this is gonna get ugly quick!
Dispatchers usually don't have radios anywhere near them. They are connected by audio lines or phone lines. Transmit and receive are usually separate. Kinda funny they know their transmit is funky and correct it.
All the other posts are correct, a buzz can be from just about anything. I'd say it's a bad cord/ wire someplace they giggle to fix and haven't bothered to tell a sup or write up a repair order for....
bezking
Member
Folks, please keep the discussion technical in nature. This isn't the place to bash poor-performing dispatchers.
Hey, I was simply trying to defend our dispatchers. Some of them couldnt give a (insert four letter word here) about their job, but there are the ones that have a passion.
When im out on patrol I love hearing the encouragement in their voice.."Raleigh to C453"
When im out on patrol I love hearing the encouragement in their voice.."Raleigh to C453"
jim202
Member
Maybe you should put some of your efforts towards the radio shop techs that don't know how to set
up the mic gain on the consoles. I visit 911 dispatch centers around the country frequently. What
I find is that the mic gains are set so high on the average, that you can hear anyone talking in a normal
voice clean across the room. These radio techs don't seem to understand that a mic this hot just
makes it that much harder out in the field to understand the dispatcher.
If you bring this issue of too much mic gain up to the radio techs, the first thing out of their mouths,
is "Who is going to pay for me to come over there and turn the gain down"? This seems to me a good
reason to dump them and find another radio service shop. How can you support a radio shop
trying to basically blackmail or suck money out of the public safety agency for something they did.
Where I come from they call that robbery. Radio techs that pull this crap need to be fired.
up the mic gain on the consoles. I visit 911 dispatch centers around the country frequently. What
I find is that the mic gains are set so high on the average, that you can hear anyone talking in a normal
voice clean across the room. These radio techs don't seem to understand that a mic this hot just
makes it that much harder out in the field to understand the dispatcher.
If you bring this issue of too much mic gain up to the radio techs, the first thing out of their mouths,
is "Who is going to pay for me to come over there and turn the gain down"? This seems to me a good
reason to dump them and find another radio service shop. How can you support a radio shop
trying to basically blackmail or suck money out of the public safety agency for something they did.
Where I come from they call that robbery. Radio techs that pull this crap need to be fired.
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jim, have you ever tried to find a happy medium between the dispatcher who whispers while facing away from the mic and the ones who shout directly into it? i have, and there is no pleasing everyone. if you set the gain too low the small voiced dispatchers are never heard. at least with it higher they can tell folks to back off the mic a little. when consoles are installed or PM'ed the levels are set to the customer's satisfaction, not necessarily the tech's. i always ask my centers to run it thru a full shift for each dispatcher, log down if it is too hot or not hot enough, then let me know so i can come back and find a medium. i used to set it for my voice, with my mouth 18-24" from the mic as the setup manual says, and it never failed that the units could not hear half the dispatchers because they don't speak up or are facing a different direction trying to run NCIC or CAD while dispatching. also it is usually MUCH quieter in a dispatch room during system install than normal operations, a lot of background noise that is there in live use was not present at time of setup and you have to adjust for that later.
and speaking as a radio tech, we are in business to make money. if we don't charge for what we do, you don't have a radio tech anymore! if the system is under maintenance, then the customer should request a PM and ask that the levels be adjusted during that visit. i agree that some shops are more prone to tell the customer something rather than ask how they help, but then again that seems to be the norm with any business now a days!
and speaking as a radio tech, we are in business to make money. if we don't charge for what we do, you don't have a radio tech anymore! if the system is under maintenance, then the customer should request a PM and ask that the levels be adjusted during that visit. i agree that some shops are more prone to tell the customer something rather than ask how they help, but then again that seems to be the norm with any business now a days!
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back on topic, noise in dispatch can be anything from a bad connection, noisey phone line to the transmitter, background noise, poor dispatch habits, too much mic gain, etc....
i had a complaint of intermittent noise on a trunk system the other day. turned out they had multiple control lines with bad pairs between the CO and the tower. one time they would key crystal clear, the next they were barely louder than the hum/buzz.
i had a complaint of intermittent noise on a trunk system the other day. turned out they had multiple control lines with bad pairs between the CO and the tower. one time they would key crystal clear, the next they were barely louder than the hum/buzz.
Well, Now that we are back on topic, its not a cell phone, that's a separate noise. That is that distinct pulsing buzz noise. This noise is always on the whole time they tx. Then when they notice it, they turn what ever is doing it off and tx again, and the air is clear. I think it might be something that they are using on the console, because I have heard different dispatchers on the same noise, and its usually only coming from one person in the room.
But yeah Im pretty convinced its like an audio source thats not muted or a phone line or something. Maybe it really is a light, but until I go into one of the dispatch centers... We'll see.
Is this a low pitched buzzing noise? I know on other counties they use CTCSS which is annoying as all get out if the gain on it is set high enough. On dispatch consoles, you can set the volume up or down for Mic, CTCSS/DTMF, tones(qcii, etc), and alert tones.
If the ctcss is set high it will sound awful.\
And when you say different counties you are still listening to your county right?
If the ctcss is set high it will sound awful.\
And when you say different counties you are still listening to your county right?
Its definitely not CTCSS. But yes I hear it in my county's center as well.
Ive got a bunch of recordings from my county so ill try and sift through them and find something.
sfd119
Member
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Actually it could be. Verizon phones do the pulsing, AT&T has a different sound that def interferences with radio equipment.
fineshot1
Member
You have that reversed. Verizon Wireless uses CDMA as the over the air interface and AT&T uses GSM.
GSM and TDMA is what pulses. The VZW CDMA is a much wider bandwidth with no pulsing.
I hear it on the dispatch consoles all the time locally on the AT&T phones as I know many of the
dispatchers and what service providers they use.
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