Hitachi -> Renesas Electronics
Audio Signal Processor for Cassette Deck (Dolby B-type NR with Recording System)
Hitachi -> Renesas Electronics
PRE, REC, Eguallzer IC for R-DAT
Renesas Electronics
Audio Signal Processor for Car Deck (PB 1 Chip)
Hitachi -> Renesas Electronics
Dolby B- and C-Type Noise Reduction System
Hitachi -> Renesas Electronics
Audio Signal Processor for Cassette Deck (Deck 1 Chip)
Hitachi -> Renesas Electronics
Pre-amplifier and servo IC for quadruple-speed CD-ROM
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