K3 KIO3B - FSK - stereo

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K3 KIO3B - FSK - stereo

N2TK
Presently I use an external audio board for FSK. I run two versions of MMTTY
- one for the main receiver and one for the second receiver.

 

In MMTTY > Misc tab > Source for the main receiver I select Left and in the
second MMTTY I select Right.

 

Trying to setup the CODEC on the KIO3B. Is it stereo that it will allow me
to do what I am presently doing for two channels?

When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get the
same signal on both MMTTY's. The second receiver has no impact.

 

Also with my external audio board the MMTTY setups show under MISC that the
Device Identifiers for RX are 3. For the CODEC it changes to 0.

 

I did not get as far as transmitting yet using the Codec.

 

Any comments, please?

 

N2TK, Tony

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Re: K3 KIO3B - FSK - stereo

Ed Muns
Yes, your MMTTY channel settings are fine.  The USB Audio CODEC is stereo.  

Not sure what you mean by the 4th paragraph below about the Microphone.  If
you're talking about the Level adjustments in the Properties window for the
K3 USB Audio CODEC in the Windows Recording applet, the control is a single
slide that adjusts both channels together.  There is no Balance control or
independent level controls for each channel.  But, I don't understand what
you mean about the second receiver having no impact.  It's audio stream will
be decoded in the MMTTY window where you've seledted the right channel.

The Device Identifiers in MMTTY are just referring to the position of the
soundcard device in the list on the Soundcard tab of the MMTTY Options
windows.

Ed W0YK
____________________________________________________________________________

Tony N2TK wrote:

Presently I use an external audio board for FSK. I run two versions of MMTTY
- one for the main receiver and one for the second receiver.

 

In MMTTY > Misc tab > Source for the main receiver I select Left and in the
second MMTTY I select Right.

 

Trying to setup the CODEC on the KIO3B. Is it stereo that it will allow me
to do what I am presently doing for two channels?

When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get the
same signal on both MMTTY's. The second receiver has no impact.

 

Also with my external audio board the MMTTY setups show under MISC that the
Device Identifiers for RX are 3. For the CODEC it changes to 0.

 

I did not get as far as transmitting yet using the Codec.

 

Any comments, please?

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Re: K3 KIO3B - FSK - stereo

Cady, Fred-2
Hi Tony,
You may have to, I did, go into the Microphone -> properties -> advanced to select a 2 channel microphone input.
Cheers, hope to hear you in the WPX.
73,
Fred KE7X

For all KE7X Elecraft books, see www.ke7x.com


________________________________________
From: Elecraft <[hidden email]> on behalf of Ed Muns <[hidden email]>
Sent: Friday, February 12, 2016 2:36 PM
To: 'N2TK, Tony'; [hidden email]
Subject: Re: [Elecraft] K3 KIO3B - FSK - stereo

Yes, your MMTTY channel settings are fine.  The USB Audio CODEC is stereo.

Not sure what you mean by the 4th paragraph below about the Microphone.  If
you're talking about the Level adjustments in the Properties window for the
K3 USB Audio CODEC in the Windows Recording applet, the control is a single
slide that adjusts both channels together.  There is no Balance control or
independent level controls for each channel.  But, I don't understand what
you mean about the second receiver having no impact.  It's audio stream will
be decoded in the MMTTY window where you've seledted the right channel.

The Device Identifiers in MMTTY are just referring to the position of the
soundcard device in the list on the Soundcard tab of the MMTTY Options
windows.

Ed W0YK
____________________________________________________________________________

Tony N2TK wrote:

Presently I use an external audio board for FSK. I run two versions of MMTTY
- one for the main receiver and one for the second receiver.



In MMTTY > Misc tab > Source for the main receiver I select Left and in the
second MMTTY I select Right.



Trying to setup the CODEC on the KIO3B. Is it stereo that it will allow me
to do what I am presently doing for two channels?

When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get the
same signal on both MMTTY's. The second receiver has no impact.



Also with my external audio board the MMTTY setups show under MISC that the
Device Identifiers for RX are 3. For the CODEC it changes to 0.



I did not get as far as transmitting yet using the Codec.



Any comments, please?

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Re: K3 KIO3B - FSK - stereo

Richard Ferch
In reply to this post by N2TK
Here is something to check:

Right-click the speaker icon in the Task Bar and select Recording
devices. In the Sound window select the USB Audio Codec and click on
Properties. In the Properties window click on the Advanced tab and check
the Default Format. If it is set to 1 channel, ... change it to 2
channel, ... .

Also, make sure that the USB Audio Codec is not selected as the Default
Device or the Default Communications Device - these should both be set
to the motherboard sound card in your PC.

You should see main RX audio in the left channel. If the subRX is off,
you might see a bit of leakage from the left channel in the right
channel, but if the subRX is on you should only see subRX audio. When
you are transmitting, if your Monitor level is non-zero you should see
the transmitted signal in both channels.

73,
Rich VE3KI


N2TK wrote:

> Trying to setup the CODEC on the KIO3B. Is it stereo that it will allow me
> to do what I am presently doing for two channels?
>
> When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get the
> same signal on both MMTTY's. The second receiver has no impact.

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Re: K3 KIO3B - FSK - stereo

N2TK
In reply to this post by Cady, Fred-2
Fred,
That did it! I had not thought of going into the Mike> Properties > Advanced
to select 2 mikes.

Thanks for  the tip. Audio cables gone.

N2TK, Tony

-----Original Message-----
From: Cady, Fred [mailto:[hidden email]]
Sent: Friday, February 12, 2016 4:47 PM
To: 'N2TK, Tony' <[hidden email]>; [hidden email];
[hidden email]
Subject: Re: [Elecraft] K3 KIO3B - FSK - stereo

Hi Tony,
You may have to, I did, go into the Microphone -> properties -> advanced to
select a 2 channel microphone input.
Cheers, hope to hear you in the WPX.
73,
Fred KE7X

For all KE7X Elecraft books, see www.ke7x.com


________________________________________
From: Elecraft <[hidden email]> on behalf of Ed Muns
<[hidden email]>
Sent: Friday, February 12, 2016 2:36 PM
To: 'N2TK, Tony'; [hidden email]
Subject: Re: [Elecraft] K3 KIO3B - FSK - stereo

Yes, your MMTTY channel settings are fine.  The USB Audio CODEC is stereo.

Not sure what you mean by the 4th paragraph below about the Microphone.  If
you're talking about the Level adjustments in the Properties window for the
K3 USB Audio CODEC in the Windows Recording applet, the control is a single
slide that adjusts both channels together.  There is no Balance control or
independent level controls for each channel.  But, I don't understand what
you mean about the second receiver having no impact.  It's audio stream will
be decoded in the MMTTY window where you've seledted the right channel.

The Device Identifiers in MMTTY are just referring to the position of the
soundcard device in the list on the Soundcard tab of the MMTTY Options
windows.

Ed W0YK
____________________________________________________________________________

Tony N2TK wrote:

Presently I use an external audio board for FSK. I run two versions of MMTTY
- one for the main receiver and one for the second receiver.



In MMTTY > Misc tab > Source for the main receiver I select Left and in the
second MMTTY I select Right.



Trying to setup the CODEC on the KIO3B. Is it stereo that it will allow me
to do what I am presently doing for two channels?

When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get the
same signal on both MMTTY's. The second receiver has no impact.



Also with my external audio board the MMTTY setups show under MISC that the
Device Identifiers for RX are 3. For the CODEC it changes to 0.



I did not get as far as transmitting yet using the Codec.



Any comments, please?

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Re: K3 KIO3B - FSK - stereo

N2TK
In reply to this post by Richard Ferch
Rich,
Thanks for your input. I had to go to the Mike input with the Codec and
change to 2 channel. That took care of the issue.

73,
N2TK, Tony

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of
Richard Ferch
Sent: Friday, February 12, 2016 4:54 PM
To: [hidden email]
Subject: Re: [Elecraft] K3 KIO3B - FSK - stereo

Here is something to check:

Right-click the speaker icon in the Task Bar and select Recording devices.
In the Sound window select the USB Audio Codec and click on Properties. In
the Properties window click on the Advanced tab and check the Default
Format. If it is set to 1 channel, ... change it to 2 channel, ... .

Also, make sure that the USB Audio Codec is not selected as the Default
Device or the Default Communications Device - these should both be set to
the motherboard sound card in your PC.

You should see main RX audio in the left channel. If the subRX is off, you
might see a bit of leakage from the left channel in the right channel, but
if the subRX is on you should only see subRX audio. When you are
transmitting, if your Monitor level is non-zero you should see the
transmitted signal in both channels.

73,
Rich VE3KI


N2TK wrote:

> Trying to setup the CODEC on the KIO3B. Is it stereo that it will allow me
> to do what I am presently doing for two channels?
>
> When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get the
> same signal on both MMTTY's. The second receiver has no impact.

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Re: K3 KIO3B - FSK - stereo

N2TK
In reply to this post by Cady, Fred-2
Thought I had it correct. One issue when comparing the onboard Codex to the
outboard M-Audio Delta 44.
I am running two versions of MMTTY at the same time.
AXETTY set up for main receiver and using left MMTTY channel.
Second MMTTY set up for second receiver and right channel in MMTTY

Line out on K3 - 001

With M-Audio Delta 44
Using Line 1/2 - Left Channel
Recording Level - 33
AXETTY - Main K3 receiver decoding fine all the time
MMTTY - Second receiver - nothing decoded with SUB off. Decoding fine with
SUB ON.
I like it this way


Using Codex and Cable from Delta 44 still plugged in - it doesn't matter if
the other end is plugged in or pulled out of the Delta 44.
Using Codex Microphone
Recording level - 3
AXETTY - Main K3 receiver decoding fine all the time.
MMTTY - Second receiver - nothing decoded with SUB off. Decoding fine with
SUB ON.

Using Codec and Cable from Delta 44 removed from the K3.
Using Codex microphone
Recording level - 3
AXETTY - Main K3 receiver decoding fine all the time.
MMTTY - Second receiver - with SUB off decoding strong signals (>s8) from
the Main receiver. Second receiver RF gain has no effect on reducing the
signal on the second receiver decoding. The RF gain on the second receiver
works fine as it should with the SUB ON and decoding is fine.

The problem is that if I am listening to a strong signal on the main
receiver and operating split mode and the receive signal in the second
receiver is not strong, the decoding is a combination of both signals
scrambled on the second receiver. I use the second receiver to find out the
pattern and where the DX is listening.

Any ideas why the crossover with the Codex? If I reduce K3 Line out any more
or reduce Codex microphone recording level any more there is no signals on
either receiver.
Interesting that plugging in a jack in the K3 Line out solves the problem.

Tnx for any feedback. Sri about all the recent KIO3B posts.
N2TK, Tony



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Re: K3 KIO3B - FSK - stereo

gm3sek
In reply to this post by Richard Ferch
VE3KI wrote:
>
>Also, make sure that the USB Audio Codec is not selected as the Default
>Device or the Default Communications Device - these should both be set
>to the motherboard sound card in your PC.

Please could you explain the reasons for that?

Thanks for the QSO at the weekend (with GM3W).


73 from Ian GM3SEK


>-----Original Message-----
>From: Elecraft [mailto:[hidden email]] On Behalf Of
>Richard Ferch
>Sent: 12 February 2016 21:54
>To: [hidden email]
>Subject: Re: [Elecraft] K3 KIO3B - FSK - stereo
>
>Here is something to check:
>
>Right-click the speaker icon in the Task Bar and select Recording
>devices. In the Sound window select the USB Audio Codec and click on
>Properties. In the Properties window click on the Advanced tab and
check

>the Default Format. If it is set to 1 channel, ... change it to 2
>channel, ... .
>
>Also, make sure that the USB Audio Codec is not selected as the Default
>Device or the Default Communications Device - these should both be set
>to the motherboard sound card in your PC.
>
>You should see main RX audio in the left channel. If the subRX is off,
>you might see a bit of leakage from the left channel in the right
>channel, but if the subRX is on you should only see subRX audio. When
>you are transmitting, if your Monitor level is non-zero you should see
>the transmitted signal in both channels.
>
>73,
>Rich VE3KI
>
>
>N2TK wrote:
>
>> Trying to setup the CODEC on the KIO3B. Is it stereo that it will
allow me

>> to do what I am presently doing for two channels?
>>
>> When I select Microphone (4-USB Audio CODEC) for both MMTTY's, I get
>the
>> same signal on both MMTTY's. The second receiver has no impact.
>
>______________________________________________________________
>Elecraft mailing list
>Home: http://mailman.qth.net/mailman/listinfo/elecraft
>Help: http://mailman.qth.net/mmfaq.htm
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>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html
>Message delivered to [hidden email]

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Re: K3 KIO3B - FSK - stereo

Don Wilhelm-4
Ian,

The operating system plays its sounds through the default soundcard.
You really don't want to transmit those sounds on the air.

73,
Don W3FPR

On 2/15/2016 6:42 AM, Ian White wrote:
> VE3KI wrote:
>> Also, make sure that the USB Audio Codec is not selected as the Default
>> Device or the Default Communications Device - these should both be set
>> to the motherboard sound card in your PC.
> Please could you explain the reasons for that?
>
>

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Re: K3 KIO3B - FSK - stereo

Richard Ferch
In reply to this post by N2TK
Most media players use the default device. In addition to Windows
sounds, you wouldn't want sound clips from your Internet browser playing
through the radio codec, to pick an example.

Another reason might be that if the K3S or K3+KIO3B is turned off or
disconnected from the computer, the device would disappear and Windows
would change the default to some other (possibly unpredictable) device.

There may be yet another reason: I believe that in recent versions of
Windows, when a device is selected as the default device, Windows
routinely disables other inputs on that sound card or codec. If, for
example, the microphone input were selected as the default device, I
believe that the line input on that same card would be disabled. I don't
know whether the KIO3B codec has multiple inputs, so I don't know
whether this actually applies to it.

73,
Rich VE3KI


W3FPR wrote:

> Ian,
>
> The operating system plays its sounds through the default soundcard.
> You really don't want to transmit those sounds on the air.
>
> 73,
> Don W3FPR
>
> On 2/15/2016 6:42 AM, Ian White wrote:
>> VE3KI wrote:
>>> Also, make sure that the USB Audio Codec is not selected as the Default
>>> Device or the Default Communications Device - these should both be set
>>> to the motherboard sound card in your PC.
>> Please could you explain the reasons for that?
>>
>>

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Re: K3 KIO3B - FSK - stereo

gm3sek
Many thanks to Don and to Rich. I was aware of the first reason but
hadn't been clear about the other two.

73 from Ian GM3SEK


>-----Original Message-----
>From: Elecraft [mailto:[hidden email]] On Behalf Of
>Richard Ferch
>Sent: 15 February 2016 14:43
>To: [hidden email]
>Subject: Re: [Elecraft] K3 KIO3B - FSK - stereo
>
>Most media players use the default device. In addition to Windows
>sounds, you wouldn't want sound clips from your Internet browser
playing

>through the radio codec, to pick an example.
>
>Another reason might be that if the K3S or K3+KIO3B is turned off or
>disconnected from the computer, the device would disappear and Windows
>would change the default to some other (possibly unpredictable) device.
>
>There may be yet another reason: I believe that in recent versions of
>Windows, when a device is selected as the default device, Windows
>routinely disables other inputs on that sound card or codec. If, for
>example, the microphone input were selected as the default device, I
>believe that the line input on that same card would be disabled. I
don't

>know whether the KIO3B codec has multiple inputs, so I don't know
>whether this actually applies to it.
>
>73,
>Rich VE3KI
>
>
>W3FPR wrote:
>
>> Ian,
>>
>> The operating system plays its sounds through the default soundcard.
>> You really don't want to transmit those sounds on the air.
>>
>> 73,
>> Don W3FPR
>>
>> On 2/15/2016 6:42 AM, Ian White wrote:
>>> VE3KI wrote:
>>>> Also, make sure that the USB Audio Codec is not selected as the
Default
>>>> Device or the Default Communications Device - these should both be
set

>>>> to the motherboard sound card in your PC.
>>> Please could you explain the reasons for that?
>>>
>>>
>
>______________________________________________________________
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