Voice Echo

General Description 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. Features • Operating voltage: 5.0V • Long delay time – 0.8 seconds (SEL=VSS, 2

Voice Echo

General Description\nThe 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. • Operating voltage: 5.0V\n• Long delay time\n– 0.8 seconds (SEL=VSS, 256K DRAM)\n– 0.2 seconds (SEL=VDD/open, 64K DRAM)\n• 25kHz sampling rate\n• Continuous variable delay time\n• Built-in pre-amplifier\n• Low distortion\n• High S/N ratio\n• Wide frequency response\n• PCM 10-bit A/D and D/A convert;

CD-1 Format ADPCM Data Replay LSI

Overview The SANYO LC8955 is a stereo/mono replay IC for CD-I format ADPCM data. In addition to an ADPCM decoding circuit, the LC8955 also incorporates a DMA interface, buffer RAM interface and a D/A converter serial interface. The LC8955 interfaces directly with the SANYO LC8951 Real-time Error-

STEREO DAC FOR PORTABLE AUDIO APPLICATIONS

DESCRIPTION The WM8955L is a low power, high qualitystereo DAC with integrated headphone and loudspeaker amplifiers, designed to reduce external component requirements in portable digital audio applications. FEATURES • DAC SNR 98dB, THD -95dB (‘A’ weighted @ 48kHz, 3.3V) • On-chip 40

STEREO DAC FOR PORTABLE AUDIO APPLICATIONS

DESCRIPTION The WM8955L is a low power, high qualitystereo DAC with integrated headphone and loudspeaker amplifiers, designed to reduce external component requirements in portable digital audio applications. FEATURES • DAC SNR 98dB, THD -95dB (‘A’ weighted @ 48kHz, 3.3V) • On-chip 40

Stereo DAC For Portable Audio Applications

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