14 Oct
2005
14 Oct
'05
12:57 p.m.
thanks for your quick response! although my jack config still has some
rough edges - this sounds like a good solution for me. right now jaaa
has some probs compiling but ill try that one alone first =) - i guess
theres just some libs to install.
thanks again!
sonicx
Andrew Gaydenko wrote:
I'm sure, 'jaaa' may be helpful here. I use
it in my audio DIY-ing.
Of course, you must use JACK (with 'qjackctl') to be able to run
multiple jaaa instances + other JACK-ready apps.
'jaaa --help' doesn't show very useful parameter "name":
jaaa -J -name jaaa1
will run jaaa instance with "jaaa1" as JACK client name.
LADSPA plugins has different oscillators, and here 'jack-rack' is
usefull.
P.S. Be careful with you tweaters when using white noise!
Andrew
======= On Friday 14 October 2005 18:46, sonicx wrote: =======
hy,
i was wondering if it is possible,and usuable, to make precise pressure
and frequency messurements using linux. ie. to test high-end speakers.i
somehow guess so,but what do i need? can i use my
mic+soundcard+alsa+somemeasurementproggi ? i am looking for an
inexpensive but precise solution to test the speakers i am planning to
build at home and without an oscilloscope or such equip which i could
never ever afford right at the start of production. i have a decent
machine with fine running sound support-i thought of maybe just pushing
some pink-noise (i just believe that this is what a "rosa-rauschen" is
called) to the speakers without any changes to that noise, while
recording it with a pretty good mic,centered right in front of the
speaker with 1m between. some tests outside and some in different rooms.
then i would take some kind of snd-like proggi to view the data and form
it (somehow) to a nice graph.well several nice graphs. but right now i
dont think that this method would give me any reliable results,as mic
amp and my sound-sys may of course have their one characteristica of
sound and so may make any speaker-only data unusuable. i hope someone
has some ideas for me,as i have _no_ plan whatsoever about "real"
measurement-cards in linux,or if i need one at all...some rough
directions please?
as i dont know what a propiate software might be named i didnt even find
a hint. i though found some measurement cards and drivers for em-but i
couldnt even guess what to measure these would be for =). im willing to
try even the most complicated stuff,as long as it wont cost that much
bucks. and it would be nice if i could go on with my 2.4.9EL kernel-as
my realizm-drivers only work with this flavor.
mfg
sonicx