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VC0948
Description: Key Parameters:

VC0948 is a high-quality, low-power mobile audio processor for mobile multimedia application, it is a complete Mobile Audio Sub-system providing total mobile multimedia applications solution like MP3 Ringtone, Polyphonic MIDI Ringtone, Game Background Music, and Streaming Audio Playback.

VC0948 integrates 64-polyphony Wavetable MIDI synthesizer, full MIDI GM Preset ROM, Hi-Fi Audio decoder, 16-bit 48 KHz Delta-Sigma DAC, Stereo Headphone driver and Speaker Power Amplifier into a 6.5mm x 5.5mm 40-pin LPCC Package. It generates mobile ringtone in various formats, such as MIDI Ringtone (SMF format), Hi-Fi Audio Ringtone (VMD Format), Hybrid Ringtone (VMD format), etc. Many innovative features are included, such as Hi-Fi Audio mixed with MIDI, 3D sound effect, User-Defined Musical Instrument (UDMI), User-Defined Sound Effect (UDSF), Vibrator controlled by Rhythm, RGB color LED controlled by Rhythm and Caller ID, Hands-free Operation, Karaoke, it supports Fast-Forward, Fast-Backward, Fade-in, Fade-out and 4 channel streaming audio etc.

Synthesis   Wavetable
Polyphony   64
MIDI   SMF, SP-MIDI, VMD, PCM/ADPCM, UDMI*, UDSF*, Reverb/Chorus
Audio decoder   Hi-Fi Audio
LED & Vibrator controller   Wavebeat
Power Amplifier     Built-in
DAC   16-bits stereo Delta-Sigma DAC, 48 kHz sample rate
Clock rate     3Mhz-36Mhz
Programmable GPIOs      4
   Packages:   6.5 mmx 5.5mm 40-Pin LPCC
Datasheets:
VC0948 Product Brief
VC0948 Datasheet
Related App Notes:
VC0948 Application Notes
Related Tools & Software:
VC0948 Demo Board VC0948 Demo Board
   

VC0948 RDK

VC0948 Reference Design Kit (RDK)
Last Update: 3/8/2003.

VMD Maker

VMD Maker
VMD Maker is
atool to help user produce VMD format music file which can be inserted with User Defined Sound Effects and User Defined Music Instruments easily.
Last Update: 6/18/2003.

Sample MIDI and VMD ring tones

Sample_midi.midi
Sample_vmd.vmd