DPL3520A 데이터 시트보기 (PDF) - Micronas

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DPL3520A

Dolby Pro Logic Processor Family

Micronas 

PRELIMINARY DATA SHEET

DPL 35xxA

DPL 3518A Integrated Functions:

– Full Dolby Surround Pro Logic Adaptive Matrix

– Pseudo-surround mode for signals not encoded in Dolby Surround

– PANORAMA sound mode (3-D Surround sound via 2 loudspeakers)

– Noise sequencer

– Automatic input balance control

– 7 kHz low-pass filter

– 100 Hz low-pass filter for subwoofer

– Modified Dolby B-type NR decoder

– 30 ms surround delay according to table created by Dolby Laboratories (1 ms steps)

– 2 I2S input channels (e.g. MSP and DRPA)

– 2 I2S output channels, freely programmable with sound channels L/R (resp. L)C/R)C), C/S, Sub or I2S input

– Mode control: normal/phantom/wide/three channel/center off/panorama sound/stereo bypass

– Surround matrix mode control: adaptive/passive/effect

– Additional surround basewidth effect

– Reverberation of surround signals

– 2 digital input/output pins

– 1 digital input pin

DPL 3519A Integrated Functions (in Addition to all DPL 3518A Functions):

– Master volume control in dB units

– Level Trim for L, C, R, S in dB units, $12 dB

– Identical treble/bass/loudness function for L, C, R, S

– 5-band equalizer for C channel

– Separate volume control for two surround outputs

– Additional line output for HIFI receiver connection (SCART output). Volume for this output is in dB units.

– 3 pairs of D/A converters

– Scart switches

DPL 3520A Integrated Functions (in Addition to all DPL 3518A and DPL 3519A Functions)

– 1 pair of A/D converters

– Note: the 5-band equalizer for C channel can only be used in coprocessor mode. No parallel AD input possible.

DPL 3520/19/18A Applications:

Dolby Pro Logic Surround System

in television sets

in satellite receivers

in video recorders

Micronas

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