Due to the way the clipping/mixBus system uses scratch, the minimum needs to be as big as the buffer size.
Merge pull request #24 from tv-s/master

Load .wav and .ogg sfx files from memory
Simplified "simplest".
Added visualization wave and fft calls. Calculate vis fft via less-performant but simpler smbFft (wide-open license). Removed ffft.
little bit of formatting..
forgot to make busses stereo.
Cleanup order fixes
Avoid modifying speech data while speech is playing
Waveform set function
enabled switching filters on a "live" mix bux
making sure the filter parameters get cleared properly
Updated piano demo.. exposes a couple of odd bugs; the echo filter "hears" the speech even though it's played outside the bus, and there's some kind of feedback going on.
cppcheck fixes
Fixes the odd bugs with the piano example. Played, but not used bus bailed out without clearing the audio buffer.