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5-6. DPL 3519A (Dolby Pro Logic Processor)
(1) General Description
The DPL 3519A is designed as a coprocessor to the MSP family but has analog output channels in addition to the fea-
tures of the DPL 3518A. Together with the MSP, a TV set with up to six outputs (L, R, C, SUB, , )can be developed
together with headphones and several line outputs.
(2) Features
- Full Dolby Surround Pro Logic Adative 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 Labortories (1 ms steps)
- 2 input channels (e.g. MSP and DRPA)
- 2 output channels, freely programmable with sound channels L/R ( resp. L+C/R+C), C/S, Sub or input
- Mode control : normal/phantom/wide/three channel/center off/panorama sound/stereo bypass
- Surround matrix mode control : adaptive/passive/effect
- Additional surround basswidth effect
- Reverberation of surround signals
- 2 digital input/output pins
- 1 digital input pin
- Master volume control in dB units
- Level Trim for L, C, R, S in dB units, 12dB
- 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
IC description
S S
L
R
I S
2
I S
2
I S
2
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