M65863FP

Dolby Digital Decoder M65863FP Product Note April 1998 MITSUBISHI ELECTRIC CORPORATION Product Note April 1998 M65863FP Dolby Digital Decoder Chapter 1 Features This Audio Decoder for Dolby Digital (AC-3)*1 M65863FP is a single device. The device decodes AC-3 bitstreams into PCM audio. Dolby Digital (AC-3) is a multi-channel audio coding algorithm developed by Dolby Laboratories, Inc. Decoding 1) 5.1 ch AC-3 bitstream 2) Dolby Pro Logic*1 encoded 2ch Dolby Digital (AC-3) bitstream 3) Dolby Pro Logic encoded 2ch PCM data All input combinations from 1 to 5.1 channels Output : mono 5.1 surround Sampling rates : 32kHz, 44.1 kHz, 48 kHz and 96 kHz (96 kHz is for linear PCM only) Supports a maximum bit rate of 640 kbps at a full service (up to 448 kbps when 32 kHz sampling rates) 2 DIR (Digital Audio Interface Receiver)/ADC input interfaces Serial input bitstream interface for DEMUX PCM output interface Standard 3-wire DAC output interface (data,clock,LR clock), 16/18/20/24 bit DAC word size Supports IEC958 digital audio output for Dolby Digital (AC-3) data stream I2C*2 interface and clocked serial (4 line) interface for host microcontroller Generates audio test noise 2nd DSP I/F (twice higher PCM transfer rate) Controllable dynamic range compression Programmable center and surround channel delays Dialogue level control No external memory required (M65863FP doos not have memory space for surround delay) IEC958 ADC M65863FP IEC958 DIR MCU DSP DAC...