KX3 VOX delay with Noise Gate question

[GM4JJJ]

I was having problems setting a long enough VOX delay for my microphone. Even with delay at 2 the maximum it was dropping out between syllables. I eventually found that I had the Noise gate on as it was useful to cut out fan noise in gaps of speech. Turning off the noise gate allowed me to set the delay I wanted on the VOX.

So, is the use of noise gate not recommended with VOX?

73

David Anderson GM4JJJ
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[Don Wilhelm-4]

David,

I would not say that it is not recommended, but yes, it can interact
with other VOX controls and a happy medium can be difficult to find.
It sounds like you had the noise gate set to a high threshold.  See the
TX GATE menu entry in the manual, which states "Set the threshold high
enough to cut off transmit audio due to local noise, but not so high
that it causes your voice to drop out too frequently."

73,
Don W3FPR

On 6/11/2015 10:51 AM, David Anderson wrote:

> I was having problems setting a long enough VOX delay for my microphone. Even with delay at 2 the maximum it was dropping out between syllables. I eventually found that I had the Noise gate on as it was useful to cut out fan noise in gaps of speech. Turning off the noise gate allowed me to set the delay I wanted on the VOX.
>
> So, is the use of noise gate not recommended with VOX?
>
> 73
>
> David Anderson GM4JJJ
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[Raymond Sills]

This is a case where "close mic" technique is useful.  Headsets with  
boom mics or hand-held mics, like the MH3 allow you to use a minimum  
setting for mic gain (because one's mouth is close to the mic), and  
that permits you a wider adjustment range for TX GATE, since any  
offending noise will be that much weaker.  In some cases, you many not  
need to gate the audio at all.

73 de Ray
K2ULR
KX3 #211


On Jun 11, 2015, at 11:29 AM, Don Wilhelm wrote:

> David,
>
> I would not say that it is not recommended, but yes, it can interact  
> with other VOX controls and a happy medium can be difficult to find.
> It sounds like you had the noise gate set to a high threshold.  See  
> the TX GATE menu entry in the manual, which states "Set the  
> threshold high enough to cut off transmit audio due to local noise,  
> but not so high that it causes your voice to drop out too frequently."
>
> 73,
> Don W3FPR
>
> On 6/11/2015 10:51 AM, David Anderson wrote:
>> I was having problems setting a long enough VOX delay for my  
>> microphone. Even with delay at 2 the maximum it was dropping out  
>> between syllables. I eventually found that I had the Noise gate on  
>> as it was useful to cut out fan noise in gaps of speech. Turning  
>> off the noise gate allowed me to set the delay I wanted on the VOX.
>>
>> So, is the use of noise gate not recommended with VOX?
>>
>> 73
>>
>> David Anderson GM4JJJ

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[Jim Brown-10]

On Thu,6/11/2015 8:38 AM, Ray Sills wrote:
> This is a case where "close mic" technique is useful. Headsets with
> boom mics or hand-held mics, like the MH3 allow you to use a minimum
> setting for mic gain (because one's mouth is close to the mic), and
> that permits you a wider adjustment range for TX GATE, since any
> offending noise will be that much weaker. In some cases, you many not
> need to gate the audio at all.

Good advice, Ray. I would never think of using a mic more than a few
inches from my mouth for ham radio. Boom headset mics like the Yamaha
CM500 work really well. Before W6XU introduced our club to them, I used
an RE11 on a boom stand.

73, Jim K9YC
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