Re: [Flexradio] Audio Rack and the 5000

[William H. Fite]

If your mic levels are wrongly set, you will hear it.
Otherwise, you will hear it if you have convinced yourself that it is there.



On Mon, Feb 13, 2012 at 4:20 PM, Kent Tiburski  wrote:

> What problem are you talking about?  I certainly don't hear it?  Must be
> specific to your own setup (computer/power supply).
>
> 73, Kent, K6FQ
>
>
>
>
> -Original Message-
> From: mike [mailto:m...@k6zsr.com]
> Sent: Saturday, February 11, 2012 7:56 PM
> To: William H. Fite
> Cc: flexradio@flex-radio.biz
> Subject: Re: [Flexradio] Audio Rack and the 5000
>
> Well, some people just cannot hear it. But, I guarantee it. You put it
> on the air and I will hear it. It is in all of the 5000s' Sorry about that!
>
> Mike
>
> On 2/11/2012 7:52 PM, William H. Fite wrote:
> > Not "we," Mike.  I've never experienced that problem with my 5000.
> >
> >
> > On Sat, Feb 11, 2012 at 11:58 AM, mike  > <mailto:m...@k6zsr.com>> wrote:
> >
> > The tearing of the audio has been noted since the first production
> > of the 5000. Flex was aware of the problem from the beginning and
> > said they would look into it. They worked on trying to fix this
> > problem but they never found the  cure. This is something we just
> > have to live.
> >
> > Mike, k6zsr
> >
> > On 2/10/2012 10:00 AM, flexradio-requ...@flex-radio.biz
> > <mailto:flexradio-requ...@flex-radio.biz> wrote:
> >
> > Audio Rack and the 5000
> >
> >
> >
> > ___
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> >
> >
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Re: [Flexradio] Audio Rack and the 5000

[Kent Tiburski]

What problem are you talking about?  I certainly don't hear it?  Must be
specific to your own setup (computer/power supply).

73, Kent, K6FQ




-Original Message-
From: mike [mailto:m...@k6zsr.com] 
Sent: Saturday, February 11, 2012 7:56 PM
To: William H. Fite
Cc: flexradio@flex-radio.biz
Subject: Re: [Flexradio] Audio Rack and the 5000

Well, some people just cannot hear it. But, I guarantee it. You put it 
on the air and I will hear it. It is in all of the 5000s' Sorry about that!

Mike

On 2/11/2012 7:52 PM, William H. Fite wrote:
> Not "we," Mike.  I've never experienced that problem with my 5000.
>
>
> On Sat, Feb 11, 2012 at 11:58 AM, mike  <mailto:m...@k6zsr.com>> wrote:
>
> The tearing of the audio has been noted since the first production
> of the 5000. Flex was aware of the problem from the beginning and
> said they would look into it. They worked on trying to fix this
> problem but they never found the  cure. This is something we just
> have to live.
>
> Mike, k6zsr
>
> On 2/10/2012 10:00 AM, flexradio-requ...@flex-radio.biz
> <mailto:flexradio-requ...@flex-radio.biz> wrote:
>
> Audio Rack and the 5000
>
>
>
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> http://www.flexradio.com/
>
>
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Re: [Flexradio] Audio Rack and the 5000

[Lee Mushel]

Finally!I was beginning to wonder when someone would remember the very 
clear audio importance trail left by John Basilotto (SK)!   I once asked 
John why he was so concerned with audio and he explained that this was a 
special interest for him going back to prehistoric times and that explained 
why he was so concerned with audio quality.   Some early devotees will 
recall that the developing PowerSDR didn't always have the elaborate audio 
processing that it finally appeared with and John was the first to suggest 
that an audio processor might be something that people would want for their 
Flex5000s.   And he also brought True Audio "TrueRTA" to our attention at 
the same time.  I will admit that I have never used either the processor or 
the Audio software until now when I am going to start to see if I can 
develop the capability for emergency communications where I can walk up to 
the receptionist of the "served agency", hand her a pair of cables, one with 
120VAC and the other with a telephone connector and tell her to plug her fax 
system in.   I will feel successful if I can eliminate all need for 
commercial power, the internet, and all telephone systems.  Full duplex is 
just another example of Gerald's incredible insight!


Lee   K9WRU
- Original Message - 
From: "Craig Gagner" 

To: "'mike'" ; 
Cc: 
Sent: Sunday, February 12, 2012 5:15 AM
Subject: Re: [Flexradio] Audio Rack and the 5000



I will say that before we finally got it all straight, I couldn't hear it.
Luckily I have a friend who does a lot of audio work and he was the only 
one

that could hear it out of my usual group. I sent him some audio recordings
that I recorded into a dummy load and he ran his analysis software which
showed flat tops on some of the peaks and some spikes. 




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Re: [Flexradio] Audio Rack and the 5000

[Craig Gagner]

I will say that before we finally got it all straight, I couldn't hear it.
Luckily I have a friend who does a lot of audio work and he was the only one
that could hear it out of my usual group. I sent him some audio recordings
that I recorded into a dummy load and he ran his analysis software which
showed flat tops on some of the peaks and some spikes. When I had it set
with enough audio drive to provide 100 watts out it was even worse, and the
TX Meter set on MIC showed sporadic spikes that would peg the needle in the
red. No matter what I tried those needle spikes where there unless the audio
drive was so low I was lucky to get 20 or 30 watts out at 100% on the drive,
and the issue was still there just not as pronounced. The analysis software
showed the spikes and flat topping. I also tried a couple of different mic's
and that didn't change anything. 

After scratching my head for a while I remembered something Dudley had told
me about turning the Leveler off because it was handled by the rack gear.
Well if that's the case why not turn the software mic gain to zero and use
the mic gain on the preamp. I did some more recordings and low and behold
the artifacts were gone. I set the mic gain on the external preamp to where
the TX Meter set on MIC hovers between -2 and 0. The needle is now stable
without any of those nasty spikes and my friend can no longer hear the
tearing, he ran another analysis on some recordings, other than I was
driving it a touch hard, the spikes and flat topping were gone.

I don't think it's a software problem, you just can't use mic gain in two
places, which kind of makes sense. I have already had one person tell me
that's how they run their system and another has tried it and says it worked
for them.

Rob, W1AEX, who wrote an article on setting up your gain listened to me on
AM the other day and recorded it along with a video of his PSDR. Its posted
on Youtube at this link http://youtu.be/G-aDcy0z2ds . I dont have any
recordings of on air SSB, but everyone tells me it sounds Great.

I know Dudley said he was going to try and duplicate this in the lab, and I
hope his findings are the same. There are so many variables between systems
it may be a tough nut to crack. This has worked for me and at least one
other person who e-mailed me direct so I'll post my settings one more time
and would like to hear from anyone else using external rack gear.

Mic Gain 0
Mixer Bal Line In all the way to the top 
DSP Phone Buffers 4096
External Mic gain set to bring the TX Meter MIC needle between -2 and 0 

That's it, your results may differ ..

Thanks

Craig
W1MSG

-Original Message-
From: flexradio-boun...@flex-radio.biz
[mailto:flexradio-boun...@flex-radio.biz] On Behalf Of mike
Sent: Sunday, February 12, 2012 12:41 AM
To: supp...@flex-radio.com
Cc: flexradio@flex-radio.biz
Subject: Re: [Flexradio] Audio Rack and the 5000

Thanks Dudley. But this has been done many times over the years. I wish 
I wouldn't have said anything. Many were in denial in the beginning. 
Some people just don't have the high frequency hearing and they hear it 
to a lessor or non existent sense. Others are not in to Essb audio and 
probably don't know what to listen for. So you seeit really is a 
losing battle. We had a test here on the west coast many years ago where 
someone rotated transceivers between the 1000 , the 5000 and another 
transceiver. At the time, I and 4 others  picked out the 5000 almost 
every time. It really is no big deal anymore. I shouldn't have replied 
to the original email and opened this up again. I just don't want to go 
down that road again.

Mike



On 2/11/2012 9:09 PM, FlexRadio Support, Dudley Hurry wrote:
> Mike,
>
> There are a lot of things that can cause slight tearing in the audio. 
>  RF in the analog audio or RF into the digital chain of the computer 
> can cause what sounds like tearing with just slight RF..  And it is 
> hard to reproduce in the lab,  not all radios/installations have this. 
>If you have a good procedure that can be reproduced in the lab, 
> this would be helpful.
>
>
> 73,
> Dudley
>
> WA5QPZ
> FlexRadio Systems
>
> (512) 535-4713, Option 2
> Email: supp...@flexradio.com <mailto:dud...@flex-radio.com>
> Web: www.flexradio.com <http://www.flex-radio.com>
>
>
>
> Chat 
>
<https://www.crossloop.com/FlexRadioSupport?type=email%22+target%3D%22_blank
%22%3E%3Cimg+border%3D%220%22+src%3D%22https://www.crossloop.com/images/badg
e-sm-gray.jpg%22+alt=%22Get+help+from+Dudley+%28WA5QPZ&%2341;+Hurry>
>
> FlexRadio SystemsT
> 4616 W Howard Ln Ste 1-150
> Austin, TX 78728
>
> logo
> /Tune In ExcitementT/
> PowerSDRT is a trademark of FlexRadio Systems
>
>
>
>
>
> On Sat, Feb 11, 2012 at 9:56 PM, mike  <mailto:m...@k6zsr.com>> wrote:
>
>

Re: [Flexradio] Audio Rack and the 5000

[mike]

Thanks Dudley. But this has been done many times over the years. I wish 
I wouldn't have said anything. Many were in denial in the beginning. 
Some people just don't have the high frequency hearing and they hear it 
to a lessor or non existent sense. Others are not in to Essb audio and 
probably don't know what to listen for. So you seeit really is a 
losing battle. We had a test here on the west coast many years ago where 
someone rotated transceivers between the 1000 , the 5000 and another 
transceiver. At the time, I and 4 others  picked out the 5000 almost 
every time. It really is no big deal anymore. I shouldn't have replied 
to the original email and opened this up again. I just don't want to go 
down that road again.


Mike



On 2/11/2012 9:09 PM, FlexRadio Support, Dudley Hurry wrote:

Mike,

There are a lot of things that can cause slight tearing in the audio. 
 RF in the analog audio or RF into the digital chain of the computer 
can cause what sounds like tearing with just slight RF..  And it is 
hard to reproduce in the lab,  not all radios/installations have this. 
   If you have a good procedure that can be reproduced in the lab, 
this would be helpful.



73,
Dudley

WA5QPZ
FlexRadio Systems

(512) 535-4713, Option 2
Email: supp...@flexradio.com 
Web: www.flexradio.com 



Chat 



FlexRadio Systems™
4616 W Howard Ln Ste 1-150
Austin, TX 78728

logo
/Tune In Excitement™/
PowerSDR™ is a trademark of FlexRadio Systems





On Sat, Feb 11, 2012 at 9:56 PM, mike > wrote:


Well, some people just cannot hear it. But, I guarantee it. You
put it on the air and I will hear it. It is in all of the 5000s'
Sorry about that!

Mike


On 2/11/2012 7:52 PM, William H. Fite wrote:

Not "we," Mike.  I've never experienced that problem with my 5000.


On Sat, Feb 11, 2012 at 11:58 AM, mike mailto:m...@k6zsr.com> >> wrote:

   The tearing of the audio has been noted since the first
production
   of the 5000. Flex was aware of the problem from the
beginning and
   said they would look into it. They worked on trying to fix this
   problem but they never found the  cure. This is something
we just
   have to live.

   Mike, k6zsr

   On 2/10/2012 10:00 AM, flexradio-requ...@flex-radio.biz


> wrote:

   Audio Rack and the 5000



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Re: [Flexradio] Audio Rack and the 5000

[mike]

Well, some people just cannot hear it. But, I guarantee it. You put it 
on the air and I will hear it. It is in all of the 5000s' Sorry about that!


Mike

On 2/11/2012 7:52 PM, William H. Fite wrote:

Not "we," Mike.  I've never experienced that problem with my 5000.


On Sat, Feb 11, 2012 at 11:58 AM, mike > wrote:


The tearing of the audio has been noted since the first production
of the 5000. Flex was aware of the problem from the beginning and
said they would look into it. They worked on trying to fix this
problem but they never found the  cure. This is something we just
have to live.

Mike, k6zsr

On 2/10/2012 10:00 AM, flexradio-requ...@flex-radio.biz
 wrote:

Audio Rack and the 5000



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Re: [Flexradio] Audio Rack and the 5000

[William H. Fite]

Not "we," Mike.  I've never experienced that problem with my 5000.


On Sat, Feb 11, 2012 at 11:58 AM, mike  wrote:

> The tearing of the audio has been noted since the first production of the
> 5000. Flex was aware of the problem from the beginning and said they would
> look into it. They worked on trying to fix this problem but they never
> found the  cure. This is something we just have to live.
>
> Mike, k6zsr
>
> On 2/10/2012 10:00 AM, 
> flexradio-request@flex-radio.**bizwrote:
>
>> Audio Rack and the 5000
>>
>
>
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