Hi Dan,
I followed that sequence and selected U, everything worked as described
below. There is no option for selecting a sound card. It jumps to
requesting baud rate, reporting lack of ability to perform input and
output together, and then seg faulting.
If there is only one possibillity
Hi Roger,
I have always thought that your recordings of the Leonids meteor shower
when you were having lots of powerline noise were excellent test
objects! I use them for examples here.
Oooh! That is a special case with local powerline noise. Linrad
can take care of that reasonably well and
Roger Rehr wrote:
I have put short post-processing excerpts from these files on the web
though they are not yet referenced in a webpage:
1. without Linrad noise blanking
http://www.nitehawk.com/w3sz/no-nb.wav
Hi Roger,
do you have a longer excerpt of that file, let's say at least
Leif,
You are correct. The output stays on the screen until the key is hit.
The trace output is:
/dev/dsp62
/dev/dsp
/dev/dsp64
(/dev/dsp63 is missing)
The error message segmentation fault appears in the terminal box.
- Regards - Dan
Hi, Leif,
Answers below ;)
Quoting Leif Asbrink [EMAIL PROTECTED]:
Hi Roger,
I have always thought that your recordings of the Leonids meteor shower
when you were having lots of powerline noise were excellent test
objects! I use them for examples here.
Oooh! That is a special case with
Hi Alberto,
Thanks for the note!
Check out the files on the webpage I referenced
http://www.nitehawk.com/w3sz/linradnoise.html
I think there may be longer versions there.
All I did was click the nb on and off, and so the nb audio is of course
at slightly different times than the nb-off
Hi Georg,
As I am going to build up a computer for linrad and HPSDR-applications
with a multi-core (duo-core) CPU for load-sharing, following questions
arose:
1. Which free available C-(C#-)linux-compiler (version number) will be
suitable for this task?
2. Are other tools involved when
Hi Roger,
I have always thought that your recordings of the Leonids meteor shower
when you were having lots of powerline noise were excellent test
objects! I use them for examples here.
Oooh! That is a special case with local powerline noise. Linrad
can take care of that reasonably
Leif,
The log is:
/dev/dsp opened as RDONLY
16bit format supported
Max no of channels = 4
Max speed 192000 Hz
Min sampling speed = 1000 Hz
FLAG= 1
j=0 k=0
63:/dev/dsp 1000 - 192000 Hz 4 Chan. 16 bit
Hi Dan,
/dev/dsp opened as RDONLY
16bit format supported
Max no of channels = 4
Max speed 192000 Hz
Min sampling speed = 1000 Hz
FLAG= 1
j=0 k=0
63:/dev/dsp 1000 - 192000 Hz 4 Chan. 16 bit
Roger Rehr wrote:
Check out the files on the webpage I referenced
http://www.nitehawk.com/w3sz/linradnoise.html
I think there may be longer versions there.
Hi Roger,
thanks for the pointer. I checked there, but all the WAV files appear to have been recorded after some sort of
bandpass
Leif,
There is no file /dev/sndstat. Can it be known by another name?
- Dan
The result is very odd. Linrad tries to open all these devices.
The statement is
rx_audio_out=open( dev_name, O_WRONLY|O_NONBLOCK, 0);
for each one of the device files and they all give
rx_audio_out=-1 which is an
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