Easy robust Audio DSP guide for Raspberry Pi 3/ Pi Zero

Raspberry Pi system wide audio DSP

https://github.com/bmc0/dsp/wiki/System-Wide-DSP-Guide  

Supports Linkwitz Transform, Reverb, EQ and more.

Mostly you will be installing development packages. Some packages may be already installed. Check with dpkg -l <package name>
Configuration file needs to be created separately after make install.

INSTALL DEPENDENCIES

	pi@raspberrypi:~ $ sudo apt-get update

	pi@raspberrypi:~ $ sudo apt-get install build-essential

	pi@raspberrypi:~ $ sudo apt-get install pkg-config

	pi@raspberrypi:~ $ sudo apt-get install git

	pi@raspberrypi:~ $ sudo apt-get install ladspa-sdk

	pi@raspberrypi:~ $ sudo apt-get install fftw3 fftw3-dev

	pi@raspberrypi:~ $ sudo apt-get install libzita-convolver3 libzita-convolver-dev

libsndfile1 already present. Check through dpkg -l libsnd*

	pi@raspberrypi:~ $ dpkg -l libsndfile1

	pi@raspberrypi:~ $ sudo apt-get install libsndfile1 libsndfile1-dev

libavcodec56 already present. Check through dpkg -l libavcodec*

	pi@raspberrypi:~ $ sudo apt-get install libavcodec56 libavcodec-dev
If you get - E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? - fix with next step.
	pi@raspberrypi:~ $ sudo apt-get install libavcodec-dev --fix-missing

libavformat56 already present. Check through dpkg -l libavformat*

	pi@raspberrypi:~ $ sudo apt-get install libavformat-dev

libasound2 already present. Check through dpkg -l libasound*

	pi@raspberrypi:~ $ sudo apt-get install libasound2-dev

	pi@raspberrypi:~ $ sudo apt-get install libao-common libao-dev

libmad0 already present. Check through dpkg -l libmad*

	pi@raspberrypi:~ $ sudo apt-get install libmad0-dev

DEPENDENCY INSTALLATION COMPLETE. RUN DSP SETUP.

	pi@raspberrypi:~ $ git clone https://github.com/bmc0/dsp.git

	pi@raspberrypi:~ $ cd dsp

	pi@raspberrypi:~/dsp $  ./configure --disable-ffmpeg
	enabled dsp
	[dsp] enabled gpl code (reverb.o g2reverb.o)
	[dsp] enabled sndfile.o (sndfile)
	[dsp] disabled ffmpeg.o (libavcodec libavformat libavutil)
	[dsp] enabled resample.o fir.o (fftw3)
	[dsp] enabled zita_convolver.o
	[dsp] enabled alsa.o (alsa)
	[dsp] enabled ao.o (ao)
	[dsp] enabled mp3.o (mad)
	[dsp] disabled pulse.o (libpulse-simple)
	enabled ladspa_dsp
	[ladspa_dsp] enabled gpl code (reverb.o g2reverb.o)
	[ladspa_dsp] enabled fir.o (fftw3)
	[ladspa_dsp] enabled zita_convolver.o
	[ladspa_dsp] enabled sndfile.o (sndfile)

	pi@raspberrypi:~/dsp $ make

	pi@raspberrypi:~/dsp $ sudo make install
	install -Dm755 dsp /usr/bin/dsp
	install -Dm755 ladspa_dsp.so /usr/lib/ladspa/ladspa_dsp.so
	install -Dm644 dsp.1 /usr/share/man/man1/dsp.1
	pi@raspberrypi:~/dsp ~ $ cd ..
	
	pi@raspberrypi:~ $ mkdir ~/.config/ladspa_dsp/
	pi@raspberrypi:~ $ sudo nano ~/.config/ladspa_dsp/config
	add this -  effects_chain=gain -3.0 lowshelf 90 0.9s +3.0
	
INSTALLATION COMPLETE. TEST DSP.

	pi@raspberrypi:~/music $ dsp Kaanthaa\ -\ Masala\ Coffee.mp3 gain -15 lowshelf 160 0.5 +6.0

Worth noting that this should also work for other Debian/Ubuntu based systems.