1 Oct
2005
1 Oct
'05
11:06 p.m.
Hi Michele,
I know you've had this problem for awhile. Sorry about that.
Right now one of my HDSP 8652 outputs is hooked to an ADAT AI-3.
Not as nice as your RME converter but reasonable. I think I could
test it if you could give me some clear instructions on how to do this
quickly. I don't have enough time to figure it out by myself. IS it
really as easy as connecting an output to an input?
Hi Mark,
it is really easy in fact!
Just download rec_imp
(http://www.duffroomcorrection.com/wiki/Simple_Automated_IR_Measuring_Tool)
and compile it (simply tipe Make). After this run it with ' rec_imp rec.pcm 44100 10
21000 45 0:0 0:0' where
rec.pcm will be the recorded impulse response, 10 the starting frequency,
21000 the end frequency and 45 the duration in seconds of the log sine sweep
signal. 0:0 and 0:0 are input and output channels: I do not remember which
is the input and output but simply running 'rec_imp' with no parameters
display the syntax.
Leave HDSPMixer oper while you are running rec_imp, so you can see if
recording channel starts with some delay.
Also if you can send me the recorded impulse responses at
michele.spinoloATgmail.com I can run the boring part for you.
Will do if I ever get it working.
One question for you. Is the problem identical no matter what ADAT
port you use on the HDSP 9652?
Did not try this: do you think it could solve the problem?
Thanks!
Michele
2 Oct
2 Oct
6:36 a.m.
Hi Mark,
Yes, I tried this yesterday. It doesn't compile
because my machine is
AMD64...
you have to edit the Makefile and change the 9th line from:
CFLAGS = -O2 -march=pentium4 -fno-fast-math
to
CFLAGS = -O2 -march=athlon64 -fno-fast-math
then it should work fine.
One other idea. Remove the two ADAT cables going to
your ADI-8 Pro and
then loop on back on itself so that the ADAT output goes back to the
ADAT input. This will return whatever signal you send and allow to you
determine if the problem is in the HDSP 9652 or in the ADI-8 Pro.
this is a good idea!
I will try!
Michele
6 Oct
6 Oct
10:30 p.m.
Hi Michele,
Sorry for the delay.
On 10/2/05, Michele Spinolo <michele.spinolo(a)gmail.com> wrote:
Did you try this yet?
- Mark
Hi Mark,
Yes, it did. Thanks.
Now, the program doesn't seem to give me a way to talk to card #1
instead of card #0:
mark@lightning ~/CODE/rec_imp $ cat /proc/asound/cards
0 [CK804 ]: NFORCE - NVidia CK804
NVidia CK804 with ALC850 at 0xda103000, irq 225
1 [DSP ]: H-DSP - Hammerfall DSP
RME Hammerfall HDSP 9652 at 0xda000000, irq 58
mark@lightning ~/CODE/rec_imp $
so it's currently going through my onboard sound chip. Ideas? MAybe I
can change a line of code to hardwire it to card #1?
Yes, I tried this yesterday. It doesn't
compile because my machine is
AMD64...
you have to edit the Makefile and change the 9th line from:
CFLAGS = -O2 -march=pentium4 -fno-fast-math
to
CFLAGS = -O2 -march=athlon64 -fno-fast-math
then it should work fine. One other idea. Remove the two ADAT cables going
to your ADI-8 Pro and
then loop on back on itself so that the ADAT output goes back to the
ADAT input. This will return whatever signal you send and allow to you
determine if the problem is in the HDSP 9652 or in the ADI-8 Pro.
this is a good idea!
I will try!
7037
days inactive
7042
days old
linux-audio-user@lists.linuxaudio.org
2 comments
2 participants
participants (2)
-
Mark Knecht -
Michele Spinolo