Midi Synth- The MIDI Synth layer is a full MIDI synthesizer capable of generating music and percussion in any of the standard 128 MIDI instruments. The audio output signal is broken out to the Digital Mixer layer. [details...]

Voice Recorder- The Voice Recorder layer contains an on-board microphone and recording circuitry to allow for easy recording of audio signals which can then be indexed and played back at a later time. The audio output signal is broken out to the Digital Mixer layer. [details...]

Audio Playback- The Audio Playback layer contains an EEPROM bank for storing sound files. Audio signals are played out at real-time and converted back to an analog signal which is then broken out to the Digital Mixer layer. [details...]

Digital Mixer- The Digital Mixer layer receives inputs from other audio layers on teh stack, as well as line inputs from other independent sources. Volume levels of all channels and 3D sound mixing for multi-channel output can be controlled digitally through the Tower interface. [details...]