LV1100 データシートの表示（PDF） - SANYO -> Panasonic

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LV1100

Digital Surround Audio Signal-Processing IC

SANYO -> Panasonic 

Block Diagram

LV1100

Functional Description

1.INPUT PHASE SELECT

Selects either the input summation signal (L+R) or the input difference signal (L-R). When set to low, L+R is selected,

and when set to high, L-R is selected.

2.INPUT SELECT

Selects either the IN-L and IN-R input signals, or the IN-A input signal.

3.INPUT FILTER

Selects whether the signal input from either IN-L and IN-R or IN-A is passed through a 7-kHz low-pass filter, or

whether it is directly input to the delay block.

4.DELAY

In clock fast mode, creates one of six delayed signals with delays of 10 to 60 ms in 10-ms steps.

In clock slow mode, creates one of six delayed signals with delays of 20 to 120 ms in 20-ms steps.

5.VOL (effect volume)

Selects the amount of the front L and R signals added to the delayed signal. Possible settings are +3 dB, 0 dB, –3 dB,

and –∞.

6.OUTPUT PHASE SELECT

Selects in-phase (+ setting) or out-of-phase (– setting) with respect to the left channel for the right channel of the VOL

output signal.

7.REVERVE SW

Set this switch to the on position to specify that the surround system output signal be fed back.

8.IN-A OUTPUT FILTER

Allows the signal to be output after passing through a 3-kHz low-pass filter.

No. 5506-4/10

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