Sources of sound files
======================

General Notes:
    On Ubuntu Saucy and Trust, offenc segfaults while encoding the PCM files so you might want to try
      sox -t raw -e signed-integer -c 2 -r 44100 -b 16 beep100.pcm my_sound.ogg
    on those instead.

silence.ogg
-----------

Notes:
    Generated 2 secs of silence - dd if=/dev/zero of=silence.pcm bs=176400 count=2 ; oggenc -r silence.pcm
    Generated by Neil Muller, Aug 2010
    Not copyrightable.

zzzzz.ogg
---------

Notes:
   Generated by: tools/gen_sound.py 25 0.5 50 ; oggenc -o zzzzz.ogg -r beep100.pcm
   Generate by Simon Cross, May 2014
   License: MIT-style permissive license - see LICENSE.txt

error.ogg
---------

Notes:
   Generated by: tools/gen_sound.py 1000 0.25 ; oggenc -o error.ogg -r beep1000.pcm
   Generated by Neil Muller, May 2014
   License: MIT-style permissive license - see LICENSE.txt

startup.ogg
-----------

Notes:
   Generated by: tools/gen_sound.py 200 0.25 ; tools/gen_sound.py 400 0.25 ; tools/gen_sound.py 600 0.25 ; tools/gen_sound.py 800 0.25 ;
                 cat beep200.pcm beep400.pcm beep600.pcm beep800.pcm > startup.pcm ;
                 oggenc -o startup.ogg -r startup.pcm
   Generated by Neil Muller, May 2014
   License: MIT-style permissive license - see LICENSE.txt


shutdown.ogg
------------

Notes:
   Generated by: tools/gen_sound.py 200 0.25 ; tools/gen_sound.py 400 0.25 ; tools/gen_sound.py 600 0.25 ; tools/gen_sound.py 800 0.25 ;
                 cat beep800.pcm beep600.pcm beep400.pcm beep200.pcm > shutdown.pcm ;
                 oggenc -o shutdown.ogg -r shutdown.pcm
   Generated by Stefano Rivera, May 2014
   License: MIT-style permissive license - see LICENSE.txt


zoop.ogg
--------

Notes:
   Generated by:
        for ((j=500; $j < 800; j= $j+20 )); do python ../../tools/gen_sound.py $j 0.01 50; done
        cat beep5??.pcm beep6??.pcm  beep7??.pcm > zoop.pcm
        oggenc -o zoop.ogg -r zoop.pcm
   Generated by Neil Muller, May 2014
   License: MIT-style permissive license - see LICENSE.txt

chirp.ogg
---------

Notes:
   Generate by:
       python ../../tools/gen_sound.py 1650 0.05 50 ; python ../../tools/gen_sound.py 1450 0.05 50
       cat beep1450.pcm beep1650.pcm > chirp.pcm
       oggenc -o chirp.ogg -r chirp.pcm
   Generated by Neil Muller, May 2014
   License: MIT-style permissive license - see LICENSE.txt


grind.ogg
---------

Notes:
    Generate by:
        ./tools/gen_sound.py 25 0.01 25 ; ./tools/gen_sound.py 120 0.01 25 ; ./tools/gen_sound.py 150 0.01 25 ; ./tools/gen_sound.py 170 0.01 25 ; ./tools/gen_sound.py 200 0.01 25 ; ./tools/gen_sound.py 250 0.01 25 ; ./tools/gen_sound.py 350 0.01 25 ; ./tools/gen_sound.py 300 0.01 25
        cat beep100.pcm beep250.pcm beep100.pcm beep200.pcm beep170.pcm beep300.pcm beep170.pcm beep100.pcm beep300.pcm beep120.pcm beep100.pcm beep300.pcm beep170.pcm beep120.pcm beep200.pcm beep170.pcm beep150.pcm beep300.pcm beep250.pcm beep350.pcm beep350.pcm beep120.pcm beep150.pcm beep300.pcm beep120.pcm beep200.pcm beep150.pcm beep200.pcm beep100.pcm beep120.pcm beep100.pcm beep300.pcm beep350.pcm beep200.pcm beep100.pcm beep300.pcm beep200.pcm beep200.pcm beep120.pcm beep250.pcm beep120.pcm beep100.pcm beep150.pcm beep100.pcm beep350.pcm beep120.pcm beep170.pcm beep170.pcm beep250.pcm beep170.pcm beep250.pcm beep100.pcm beep170.pcm beep350.pcm beep250.pcm beep150.pcm beep250.pcm beep200.pcm beep350.pcm beep120.pcm beep100.pcm beep120.pcm beep350.pcm beep100.pcm beep120.pcm beep200.pcm beep170.pcm beep300.pcm beep350.pcm beep100.pcm beep300.pcm beep120.pcm beep350.pcm beep250.pcm beep350.pcm beep150.pcm beep100.pcm > grind.pcm
        oggenc -o grind.ogg -r grind.pcm

        # order selected by:

        #! /bin/python
        import random
        files = ['beep100.pcm', 'beep150.pcm', 'beep200.pcm', 'beep350.pcm', 'beep120.pcm', 'beep170.pcm', 'beep250.pcm', 'beep300.pcm']
        cmd = 'cat beep100.pcm %s beep100.pcm > grind.pcm'
        rnd = []
        for x in range(75):
            rnd.append(random.choice(files))
        print cmd % ' '.join(rnd)
        
    Generated by Neil Muller, May 2014
    License: MIT-style permissive license - see LICENSE.txt