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Altonics - Advanced ADPCM SOUND DSP

Numéro de référence QS6400
Description Advanced ADPCM SOUND DSP
Fabricant Altonics 
Logo Altonics 





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QS6400 fiche technique
Advanced ADPCM SOUND DSP for Mobile QS6400
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1. General Description
Q. S6400 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 HWASS's QPCM synthesizer,which is capable of generating up to 64
voices with different tones.
QS6400 can also play two channels of wavefiles of differing sampling rates.
Since data in the FIFO buffer is processed on demand, the length of the data(MIDI & WAVE) is not
limited, making QS6400 an excellent platform for applications such as incoming melody
distribution service.
The MIDI handler built in to QS6400 can play MIDI data without an extra buffer.
Included is a PWM module for audio out with a maximum output of 500mw at 8Ω load
registance(PVDD=4.0V).
For earphone use, QS6400 provides a single-ended stereophonic output terminal.
To operate QS6400 to full capability, "Standard MIDI File(SMF) Format 0" is recommended.
2. 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

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