K3 compression settings

[David F. Reed]

I am curious about this, but not sure...

I understand that the input gain on transmit is separately settable for
front panel vs. rear audio in.

But, it would make sense to me if the compression and gating were also
separately adjustable, front and rear.

Why? Because when I operate phone, I use the front MIC jack, and want
some compression and gating; when I operate digital sound card modes, I
would like to have no compression, and no gating.

Is there a way to do this and I am missing it, or am I hoping for an
upgrade to the firmware?

73 de Dave, W5SV
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[David F. Reed]

Ron,

as it turns out, I am using Line in to connect the sound card output,
but I am still "seeing" compression on the meter.

What gives?

Thanks & 73 de Dave, W5SV

Ron Kenwood wrote:

> Hi Dave:
>
> The usual practice for sound card digital modes is to use line in
> instead of the rear panel mic. Using line in automatically turns off
> compression if I remember correctly which is what you want for digital
> modes. Again, if I remember correctly, using line in mutes the mic and
> avoids the need for a noise gate.
>
> Ron W3ZV
>
> David F. Reed wrote:
>> I am curious about this, but not sure...
>>
>> I understand that the input gain on transmit is separately settable
>> for front panel vs. rear audio in.
>>
>> But, it would make sense to me if the compression and gating were
>> also separately adjustable, front and rear.
>>
>> Why? Because when I operate phone, I use the front MIC jack, and want
>> some compression and gating; when I operate digital sound card modes,
>> I would like to have no compression, and no gating.
>>
>> Is there a way to do this and I am missing it, or am I hoping for an
>> upgrade to the firmware?
>>
>> 73 de Dave, w5sv

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[Joe Planisky]

Dave,

According to the manual (pg 31, "Data Mode Selection"):

"If you prefer to use LSB or USB, you'll need to manually set CMP to 0  
to prevent data signal distortion."

I believe if you use DATA mode instead of USB/LSB, compression is  
automatically disabled.

73
--
Joe KB8AP

On Dec 8, 2008, at 1:34 PM, David F. Reed wrote:

> Ron,
>
> as it turns out, I am using Line in to connect the sound card  
> output, but I am still "seeing" compression on the meter.
>
> What gives?
>
> Thanks & 73 de Dave, W5SV
>
> Ron Kenwood wrote:
>> Hi Dave:
>>
>> The usual practice for sound card digital modes is to use line in  
>> instead of the rear panel mic. Using line in automatically turns  
>> off compression if I remember correctly which is what you want for  
>> digital modes. Again, if I remember correctly, using line in mutes  
>> the mic and avoids the need for a noise gate.
>>
>> Ron W3ZV
>>
>> David F. Reed wrote:
>>> I am curious about this, but not sure...
>>>
>>> I understand that the input gain on transmit is separately  
>>> settable for front panel vs. rear audio in.
>>>
>>> But, it would make sense to me if the compression and gating were  
>>> also separately adjustable, front and rear.
>>>
>>> Why? Because when I operate phone, I use the front MIC jack, and  
>>> want some compression and gating; when I operate digital sound  
>>> card modes, I would like to have no compression, and no gating.
>>>
>>> Is there a way to do this and I am missing it, or am I hoping for  
>>> an upgrade to the firmware?
>>>
>>> 73 de Dave, w5sv

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[Bill VanAlstyne W5WVO]

I believe compression and equalization are both automatically
disabled when in a data mode (including DATA A). Not sure about
the new noise gating feature, but I would think for consistency,
it would be disabled in data modes as well.

Bill W5WVO

----- Original Message -----
From: "David F. Reed" <[hidden email]>
To: <[hidden email]>
Sent: Monday, December 08, 2008 10:54 AM
Subject: [Elecraft] K3 compression settings


> I am curious about this, but not sure...
>
> I understand that the input gain on transmit is separately
settable for
> front panel vs. rear audio in.
>
> But, it would make sense to me if the compression and gating
were also
> separately adjustable, front and rear.
>
> Why? Because when I operate phone, I use the front MIC jack, and
want
> some compression and gating; when I operate digital sound card
modes, I
> would like to have no compression, and no gating.
>
> Is there a way to do this and I am missing it, or am I hoping
for an

> upgrade to the firmware?
>
> 73 de Dave, W5SV
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>

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[KK7P]

> I believe compression and equalization are both automatically
> disabled when in a data mode (including DATA A).

Tx EQ is currently set for the radio, not the mode.  Likewise Rx EQ.

Compression is disabled for DATA modes that use audio input (DATA A,
AFSK) and restored for USB/LSB operation.

Having Rx EQ and Tx EQ be saved by mode is on th elist of things to get
done.

73,

Lyle KK7P

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[Eric Swartz - WA6HHQ]

Yes, the noise gate is also disabled in data modes.

73, Eric  WA6HHQ
---

Bill W5WVO wrote:
> I believe compression and equalization are both automatically
> disabled when in a data mode (including DATA A). Not sure about
> the new noise gating feature, but I would think for consistency,
> it would be disabled in data modes as well.
>  
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