QS1500

Advanced Sound Synthesizer with Digital Audio Effect

The QS1500 is a high performance digital signal processor for generating digital sound.
It supports to generate melodic sounds up to 48, simultaneously.
And It has three kind of digital effect function.(Reverb / Chorus / Echo)
Typical Appliction : Digital Piano or Electric Musical Instrument, VCD/DVD Karaoke etc...

Features
▶ Up to 48 voices generated at Max 44.1Khz.
▶ Built-in MIDI handler(interpreter)
▶ Built-in 4 bit or 8 bit ADPCM and 16bit PCM tone generator.
▶ Full Supports GENERAL MIDI specification.
▶ Various sampling rate : 8 ~ 44.1Khz
▶ Up to 32M x 16bit sound font ROM available.
▶ 1 Wire MIDI interfacing at 31.25kbps.
▶ 16bit/18bit DAC interfacing available
▶ Built-in 32kbytes SRAM for the effect function.
▶ Support the AC97 CODEC interface.
▶ Operating voltage 2.7 ~ 3.3V
▶ Package : - QS1500A : 100 Low Profile QFP100(LQFP)

                  - QS1500B : 144 Pin Low Profile QFP144(LQFP)
▶ Two channel Microphone ECHO function available( when using AC97 CODEC)
▶ Support 8 types of Reverb and Chorus.
▶ Operating Colck : 12Mhz or 24Mhz Selection Available.
▶ Application
  - High quality Karaoke Machine(DVD or VCD)
  - Digital Piano or Keyboard
  - Arcade Game Machine
  - Sound Card..ect.
 
Datasheet

 

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QS6400

Advanced Sound Synthesizer for Mobile System(64 Poly)

The QS6400 is an ideal device for generation bell sound for mobile phone,
PDA and education toy. It support to generate melodic sound up to 64poly, simultaneousy.
And it has 2 channel wave file play function..

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 timbres to play korean traditional music.
    Gayagum/Daegum/Heagum/Teapyoungso/Buk/Ggangary/Jangu/Jing.
▶ Various sampling rate : 8 ~ 39Khz

 

WAVE
▶ Support to playback ADPCM wavefile(2 Channels)
▶ Separate wave volume control(0~255)

 

CPU INTERFACING
▶ 1 Wire serial or 14 Wires parallel interfacing can be selected.
    HWA SOUND SOURCE Advanced ADPCM SOUND DSP for Mobile QS6400

AUDIO OUTPUT
▶ PWM or 16bit DAC output can be selected.
▶ PWM output mode : 400mW when PVDD=4.0V, RL=8Ω
▶ Provides Stereo or Mono output for earphone.

 

POWER SUPPLY
▶ Includes three power supplies for sub-system
    PVDD power supply devoted to PWM block.(3.3 ~ 4.2V)
    EVDD power supply devoted to earphone block.(2.7 ~ 3.6V)
    VDD is normal power supply.(2.7 ~ 3.6V)

Datasheet