I'm back after 8 years, quick Audio interface question.

App_rpt-users
1

Hi I've not been on in about 7.5 years.
Back then Jim Dixon was a regular contact and somebody I chatted with fairly often.
So sad he is gone!

Way back then the only supported simple sound interface was USB and required a CM108 or 109 chip and the idea of using anything else soundcardwise
was just immediately shot down if asked.
There were reasons (back then) for this and I think it was centered around the author not wanting to have to deal with the issues and support of it.

I never cared about support or "all of the issues" it may cause on my end but lacked the technical know-how to write a "generic" audio driver myself.
A LOT of linux software is NOT soundcard driver specific and works well with just about ANY sound interface that is on a motherboard or card or whatever.

And I never needed the GPIO to be on the sound chip.
Nor did I need all of the DSP functionality to be done in the CPU via the sound interface.
I'm curious if there have been any developments since that allow more sound interfaces to work or is it still the same and require a CM108/109 type USB device?

Thanks!!

Steve
N8LBV

2

Steve,
While I have never tried it,
I have always suspected if you usd the correct usb hub/device id/position and had the correct driver in the system, it would work.

Wanted to do so myself but I have stacks of those CM108'S and use parallel port for all the switching.

I don't think you need to write anything for the sound driver with no use of in/out pins. Just have the right driver for the device in the system.

Sounds like a winter idea project revisited for me without good reason but I bet you will try it before me and let us know.
Should be test to test but I haven't any other usb sound devices.

Perhaps I am wrong about that but it seems to make sense as I see it.

...mike/kb8jnm

···

On 12/4/2018 3:41 PM, Steve Gladden wrote:

Hi I've not been on in about 7.5 years.
Back then Jim Dixon was a regular contact and somebody I chatted with fairly often.
So sad he is gone!

Way back then the only supported simple sound interface was USB and required a CM108 or 109 chip and the idea of using anything else soundcardwise
was just immediately shot down if asked.
There were reasons (back then) for this and I think it was centered around the author not wanting to have to deal with the issues and support of it.

I never cared about support or "all of the issues" it may cause on my end but lacked the technical know-how to write a "generic" audio driver myself.
A LOT of linux software is NOT soundcard driver specific and works well with just about ANY sound interface that is on a motherboard or card or whatever.

And I never needed the GPIO to be on the sound chip.
Nor did I need all of the DSP functionality to be done in the CPU via the sound interface.
I'm curious if there have been any developments since that allow more sound interfaces to work or is it still the same and require a CM108/109 type USB device?

Thanks!!

Steve
N8LBV

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3

I have tried a few usb sound card that were not cm108/9 chips and was not able to make it work even if it had the correct driver either as kernel module or compiled into the kernel


Garanti sans virus. www.avast.com

Le mar. 4 déc. 2018 à 16:50, Mike mm@midnighteng.com a écrit :

···

Steve,

While I have never tried it,

I have always suspected if you usd the correct usb hub/device

id/position and had the correct driver in the system, it would work.

Wanted to do so myself but I have stacks of those CM108’S and use

parallel port for all the switching.

I don’t think you need to write anything for the sound driver with no

use of in/out pins. Just have the right driver for the device in the system.

Sounds like a winter idea project revisited for me without good reason

but I bet you will try it before me and let us know.

Should be test to test but I haven’t any other usb sound devices.

Perhaps I am wrong about that but it seems to make sense as I see it.

…mike/kb8jnm

On 12/4/2018 3:41 PM, Steve Gladden wrote:

Hi I’ve not been on in about 7.5 years.

Back then Jim Dixon was a regular contact and somebody I chatted with fairly often.

So sad he is gone!

Way back then the only supported simple sound interface was USB and required a CM108 or 109 chip and the idea of using anything else soundcardwise

was just immediately shot down if asked.

There were reasons (back then) for this and I think it was centered around the author not wanting to have to deal with the issues and support of it.

I never cared about support or “all of the issues” it may cause on my end but lacked the technical know-how to write a “generic” audio driver myself.

A LOT of linux software is NOT soundcard driver specific and works well with just about ANY sound interface that is on a motherboard or card or whatever.

And I never needed the GPIO to be on the sound chip.

Nor did I need all of the DSP functionality to be done in the CPU via the sound interface.

I’m curious if there have been any developments since that allow more sound interfaces to work or is it still the same and require a CM108/109 type USB device?

Thanks!!

Steve

N8LBV

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4

Steve,

Folks have used the CM108/109 and CM119 and the SSS1623, which is a
compatible chip.

You can get a datasheet for the CM119 here:

Here is one that you can use on Amazon for $6.20

His is another fob for $3.87 with free shipping.


984569&sr=8-3&keywords=cm108+sound+card

In the future the CM119B will probably be supported, just an educated guess.

73

Marshall - ke6pcv

···

-----Original Message-----
From: App_rpt-users [mailto:app_rpt-users-bounces@lists.allstarlink.org] On Behalf Of Steve
Gladden
Sent: Tuesday, December 04, 2018 12:42 PM
To: Users of Asterisk app_rpt
Subject: [App_rpt-users] I'm back after 8 years, quick Audio interface question.

Hi I've not been on in about 7.5 years.
Back then Jim Dixon was a regular contact and somebody I chatted with fairly often.
So sad he is gone!

Way back then the only supported simple sound interface was USB and required a CM108 or 109
chip and the idea of using anything else soundcardwise
was just immediately shot down if asked.
There were reasons (back then) for this and I think it was centered around the author not
wanting to have to deal with the issues and support of it.

I never cared about support or "all of the issues" it may cause on my end but lacked the
technical know-how to write a "generic" audio driver myself.
A LOT of linux software is NOT soundcard driver specific and works well with just about ANY
sound interface that is on a motherboard or card or whatever.

And I never needed the GPIO to be on the sound chip.
Nor did I need all of the DSP functionality to be done in the CPU via the sound interface.
I'm curious if there have been any developments since that allow more sound interfaces to work
or is it still the same and require a CM108/109 type USB device?

Thanks!!

Steve
N8LBV

_______________________________________________
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5

Hi Guys,
I am using the SYBA fob on my node. It was easy to do the mod on. I tried the other one and the pads are so easy to peal off.
Walt
wb4lds

···

-----Original Message----- From: Marshall Oldham
Sent: Tuesday, December 04, 2018 9:37 PM
To: 'Users of Asterisk app_rpt'
Subject: Re: [App_rpt-users] I'm back after 8 years, quick Audio interface question.

Steve,

Folks have used the CM108/109 and CM119 and the SSS1623, which is a
compatible chip.

You can get a datasheet for the CM119 here:

Here is one that you can use on Amazon for $6.20

His is another fob for $3.87 with free shipping.


984569&sr=8-3&keywords=cm108+sound+card

In the future the CM119B will probably be supported, just an educated guess.

73

Marshall - ke6pcv

-----Original Message-----
From: App_rpt-users [mailto:app_rpt-users-bounces@lists.allstarlink.org] On Behalf Of Steve
Gladden
Sent: Tuesday, December 04, 2018 12:42 PM
To: Users of Asterisk app_rpt
Subject: [App_rpt-users] I'm back after 8 years, quick Audio interface question.

Hi I've not been on in about 7.5 years.
Back then Jim Dixon was a regular contact and somebody I chatted with fairly often.
So sad he is gone!

Way back then the only supported simple sound interface was USB and required a CM108 or 109
chip and the idea of using anything else soundcardwise
was just immediately shot down if asked.
There were reasons (back then) for this and I think it was centered around the author not
wanting to have to deal with the issues and support of it.

I never cared about support or "all of the issues" it may cause on my end but lacked the
technical know-how to write a "generic" audio driver myself.
A LOT of linux software is NOT soundcard driver specific and works well with just about ANY
sound interface that is on a motherboard or card or whatever.

And I never needed the GPIO to be on the sound chip.
Nor did I need all of the DSP functionality to be done in the CPU via the sound interface.
I'm curious if there have been any developments since that allow more sound interfaces to work
or is it still the same and require a CM108/109 type USB device?

Thanks!!

Steve
N8LBV

_______________________________________________
App_rpt-users mailing list
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http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users

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