HT8955A - Voice Echo
The HT8955A is a CMOS LSI digital audio signal delay processor.
It is designed for audio system applications including echo generators, karaoke systems, sound effect generators, etc.
The chip consists of a built-in pre-amplifier, on-chip oscillator, DRAM interface, 10-bit A/D and D/A converters as w
HT8955A Features
* Operating voltage: 5.0V Long delay time
* 0.8 seconds (SEL=VSS, 256K DRAM)
* 0.2 seconds (SEL=VDD/open, 64K DRAM) 25kHz sampling rate Continuous variable delay time
* Built-in pre-am
