[Altonics]

General Description
QS6400 is a high quality sound DSP for mobile phones that plays music through a built-in ADPCM decoder with sound font rom.
QS6400 is equipped with HWASSs QPCM synthesizer,which is capable of generating up to 64 voices with different tones.

FEATUREs
► ADPCM synthesizer functions
   - 64 voices generated at 39kH simultaneously.
   - Compatible with stereophonic sound generation.
   - Master Volume control
      Individual channel volume / master volume.
   - Built-in MIDI handler(sequencer)
   - Equipped with two buffers of 128 bytes FIFO for MIDI play.
   - Built-in 4 bit or 8 bit ADPCM decorder.
► TONE
   - Supports GENERAL MIDI LITE specification.
      GM 128 voices + 47 voices percussion.
      Support to control parameters by "BxH xxh"(see the MIDI implementation chart)
   - Additional 8 voices to play korean traditional music.
      Gayagum/Daegum/Haegum/Taepyoungso/Buk/Ggwengary/Jang-goo/Jing.
   - Various sampling rate : 8 ~ 39Khz
► WAVE
   - Support to playback ADPCM wavefile(2 Channels)
   - Separate wave volume control(0~255).
      Gayagum/Daegum/Haegum/Taepyoungso/Buk/Ggwengary/Jang-goo/Jing.
► CPU INTERFACING
   - 14 Wires parallel interfacing