AD1953 is a complete 26-bit, single-chip, 3-channel, digital audio playback system with built-in DSP function. Key features include: 3-channel digital audio; 6-channel TDM output mode; 7-band, 48-bit stereo equalizer; speaker position adjustment delay; Phat Stereo ™ spatial enhancement; and dual-band, professional-quality dynamic processors. Three DACs achieve a signal-to-noise ratio (SNB) of 112 dB at 48 kHz. Dynamic processing features include:
-Fine-tuned bass boost to improve the low-frequency effect of small speakers- Algorithms can eliminate distortion at high volume to increase volume Volume-Low-level expansion boosts low-volume signals above road noise (for car stereo systems)
The AD1953 SigmaDSP digital audio processor is available in a 48-pin TQFP package and is specified over the -40 ° C to + 105 ° C temperature range. Mass production began in the fall of 2002, and samples are now available. The minimum quotation for 10,000 pieces is $ 5.88 per piece.
-2.0 / 2.1-channel audio system (2 main channels + subwoofer)-Multi-channel car audio system-Multimedia audio-Mini stereo system-Home theater system (AC-3 rear processor)-Musical instrument-Block Chair sound system (aircraft / coach)
Features and advantages