NOTE: This is pretty crusty at this point. A new project called Thumbafon is in the works with a refresh of this code. I'll update here too once it's done.

WaveTableSynth

Light weight polyphonic additive wave table synthesizer that uses Audio Queues

In your view controller just create an AQSound object

    _aqPlayer = [[AQSound alloc]init];
    [_aqPlayer start];

Currently there a couple of ways to play notes. The easiest would be to use:

- (void)midiNoteOn:(int)noteNum atVoiceIndex:(int)voiceIndex;
- (void)changeMidiNoteToNoteNum:(int)noteNum atVoiceIndex:(int)voiceIndex;
- (void)midiNoteOff:(int)noteNum atVoiceIndex:(int)voiceIndex;

True polyphony is not yet fully supported but the groundwork is there.

Global volume can be controlled by the AQSynth's (AQSound's super)

@property UInt16 volume;

You can change the timbre by setting the AQSynth's

@property SoundType soundType;

The AQSynth has an enum "SoundType" you can use or simply send an int of course.

Note that the volume limiter is scaled by the kNumberVoices macro. Change this to 1 and edit the AQSynth's volume property to allow for some interesting (in my opinion) digital distortion effects.

Have fun!