[linux-audio-user] [AN] QLoud-0.1 - measuring loudspeaker response

joel silvestre j.silvestre at wanadoo.fr
Fri Aug 11 06:45:31 EDT 2006


I try to compile but the linker is not happy, lots of undefine reference
to Qwt.
Qwt is compiled from CVS and src.pro is :

LIBS += -L/home/moa/sources/qwt/lib \
-ljack \
-lfftw3 \
-lsndfile
INCLUDEPATH += ../src \
/home/moa/sources/qwt/include \
/usr/include
MOC_DIR = ../moc
UI_DIR = ../ui
OBJECTS_DIR = ../obj
TARGET = ../bin/qloud
QT += xml
CONFIG += debug \
warn_on \
qt \
thread \
exceptions \
console
TEMPLATE = app


What do I miss?

joel


Le mercredi 09 août 2006 à 20:13 +0400, Andrew Gaydenko a écrit :
> Hi!
> 
> I have wrote this app for own audio-DIY use. Probably, somebody else
> will find the app useful too. I'll be happy in such case :-)
> 
> Source: http://gaydenko.com/qloud/qloud-0.1.tar.bz2
> Screenshot (180KB): http://gaydenko.com/qloud/shot01.png
> 
> ===== README ======
> 
> QLoud is a tool to measure a loudspeaker frequency response.
> 
> Writing this app is inspired by excellent applications written
> by Fons Adriaensen:
> 
> http://users.skynet.be/solaris/linuxaudio/
> 
> Theoretical background belongs to Angelo Farina:
> 
> http://pcfarina.eng.unipr.it/
> 
> In particular, this method was used:
> 
> http://pcfarina.eng.unipr.it/Public/Papers/134-AES00.PDF
> 
> 
> 
> Few hints:
> 
> - move mouse above "?" sign at plot window and wait,
> - to delete measurement, use context menu on mesurements table,
> - to see what the app do, just connect app's JACK ports and try,
> - to see what your sound card do, use loopback for line in/out,
> - using "very smooth" fractional octave smoothing is hungry for
>   CPU. So be patient when select more rather 1/3 octave smoothing
>   (1/3 octave and less smoothing is rather interactive).
> 
> 
> 
> Feedback:
> 
> Please, add "QLoud" to your message subject. My email is: a at gaydenko.com
> 
> 
> ===== INSTALL =====
> 
> Requirements:
> 
> - QT4 ( http://trolltech.com/ ), I use 4.1.4 version,
> - Qwt ( http://qwt.sourceforge.net/ ) from current CVS tree (probably,
>                        last official CVS qwt5 snapshot will work too),
> - JACK ( http://jackaudio.org/ ),
> - sndfile ( http://www.mega-nerd.com/libsndfile/ ),
> - fftw ( http://www.fftw.org/ ).
> 
> 
> Installation:
> 
> - look in src/src.pro to modify include dirs if you want,
> - run
> 
> qmake
> make
> 
> 'qloud' excecutable will be in 'bin' directory.
> ---------------------------------------------------------------------------------------
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> Aucun virus connu a ce jour par nos services n'a ete detecte.
> 
> 




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