On 2015-07-30 5:11 AM, Andy McMullin wrote:
I respectfully suggest that you watch his video and listen to the
explanation before making comments.
I did watch his video.
He does not ask you to set the microphone level to 100% — he says
to adjust the erroneous interface control to the 100%
On 2015-07-30 4:36 AM, Peter Eijlander (PA0PJE) wrote:
I have the impression he *DOES* know what he's talking about...
Any time someone says to run the microphone level of a PCM29xx
series USB CODEC at 100%, he obviously does not know what he is
talking about. 100% represents 30 dB of gain
Joe, what device do you use in the Microham?
73, W0EA
TJ
QRP ARCI #14612 | CW Ops #953 | SKCC #4593T
NAQCC #3768 | Flying Pigs QRP #2254
http://W0EA.us
*Because QRO is too easy (but sometimes required!)*
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On 2015-07-30 12:36 AM, TJ Campie wrote:
Joe, You are correct when the input device has been enumerated as a
microphone input, which is the bug.
No, enumerating the device as a microphone input is *not a bug* when
the device descriptor specifically identifies the input as microphone.
If the
This is a Windows related bug documented by Texas Instruments on their Rev B
versions of the PCM29xx USB Sound CODEC.
TI has fixed this issue in PCM29xxC. and later revisions.
On the K3S we are using PCM2901E revision (newer than C). It does not have this
problem.
TI's Application Note
I remember when 'the masses' were crying for a USB connection. Our
great sages at Elecraft kept suggesting that compatibility issues
would come along with USB et al.
Guess this would have been one ( or could have been one) if the USB
was a few years ago, and our designers were not as slick as
Op 2015-07-30 06:09 schreef Joe Subich, W4TV:
The individual posting this does not know what he's talking
about. His instruction to set the microphone level to 100%
is completely *wrong*.
Joe,
I have the impression he *DOES* know what he's talking about...
This is a bug he's reporting in
I respectfully suggest that you watch his video and listen to the explanation
before making comments. In particular, when software is not executing correctly
you should remember that it is not doing what it is supposed to do.
He does not ask you to set the microphone level to 100% — he says to
Joe,
You are correct when the input device has been enumerated as a microphone
input, which is the bug. Without clearing the bug forcing windows to
enumerate it as a line in device, 100 on the slider is indeed adding gain.
However after clearing the bug, it's now enumerated as a line in device
The individual posting this does not know what he's talking
about. His instruction to set the microphone level to 100%
is completely *wrong*.
Right click on the microphone slider and set the display for
*dB*. In Windows 7 the microphone slider scale will range
from -196.0 dB at 0 to +30 dB at
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