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T41 T41EEE.9 Firmware Release


 

T41EEE.9 is here:
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The README has all of the details.? This firmware is for the V10/V11 and T41-2 series platforms only.
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There were a lot of changes!? There will be bugs!? Please report them here.
I'm expecting graphics bugs.? These are hard to test for.? Primary radio functionality should be less buggy.
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Your feedback is requested!? Especially bug reports.? Please let me know, good or bad, thank you!
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--
73 Greg KF5N


 

Demo of the new AGC in T41EEE.9:
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Compressor2 is part of the Open Audio Library.? Bob's Tiny Ten Transceiver uses it in the audio data path.
This seemed to be a natural replacement for the code inherited from the SDR Convolution receiver.
I tried it, and WOW it works great!
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The Open Audio Library:

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Compressor2 is also used in the transmitter path along with the CESSB module.? Good stuff!
?
--
73 Greg KF5N


 

Very nice, Greg!

Jack, W8TEE

On Wednesday, April 2, 2025 at 08:32:00 PM EDT, Greg KF5N via groups.io <greg.electricity@...> wrote:


Demo of the new AGC in T41EEE.9:
?
?
Compressor2 is part of the Open Audio Library.? Bob's Tiny Ten Transceiver uses it in the audio data path.
This seemed to be a natural replacement for the code inherited from the SDR Convolution receiver.
I tried it, and WOW it works great!
?
The Open Audio Library:

?
Compressor2 is also used in the transmitter path along with the CESSB module.? Good stuff!
?
--
73 Greg KF5N

--
Jack, W8TEE


 

¿ªÔÆÌåÓý

Ah¡­ old fashion Automatic Volume Control (AVC) dated from the old tube radios¡­to control the volume of the radio as to not blow out your ear drums¡­ ?as opposed to RF Gain (or Automatic Gain Control) that prevents over-driving the snot out of the radio RF circuits (like the front end!) causing flat-topping, distortion, etc.? Someone was using that audio library to do that too (can¡¯t remember who¡­ slept since)¡­ but it works extremely well as the video shows.

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The uBITx people are using term AGC for AVC.

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Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ

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Owner - Operator

Big Signal Ranch ¨C K9ZC

Staunton, Illinois

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Owner ¨C Operator

Villa Grand Piton ¨C J68HZ

Soufriere, St. Lucia W.I.

Rent it:

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Moderator: North American QRO Group at Groups.IO.

Moderator: Amateur Radio Builders Group at Groups.IO.

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email:? bill@...

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From: [email protected] <[email protected]> On Behalf Of Greg KF5N via groups.io
Sent: Wednesday, April 2, 2025 7:32 PM
To: [email protected]
Subject: Re: [SoftwareControlledHamRadio] T41 T41EEE.9 Firmware Release

?

Demo of the new AGC in T41EEE.9:

?

?

Compressor2 is part of the Open Audio Library.? Bob's Tiny Ten Transceiver uses it in the audio data path.
This seemed to be a natural replacement for the code inherited from the SDR Convolution receiver.

I tried it, and WOW it works great!

?

The Open Audio Library:

?

Compressor2 is also used in the transmitter path along with the CESSB module.? Good stuff!

?

--

73 Greg KF5N