STV82X6 datasheet(69/95 Pages) STMICROELECTRONICS

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STV82x6

LS_STS_FREQ

Loudspeaker ST WideSurround Sound Frequency

LS_SRS_SPACE

Loudspeaker SRS™ Surround Sound Space Effect

Address (hex): 5Dh

Type: R

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

BASS_FREQ[1:0]

MEDIUM_FREQ[1:0]

TREBLE_FREQ[1:0]

Bit Name

Reset

Function

Bits[7:6]

Reserved.

BASS_FREQ[1:0]

Defines the bass frequency effect for ST WideSurround Sound. Programmable values are listed in

Table 24.

MEDIUM_FREQ[

1:0]

Defines the medium frequency effect for ST WideSurround Sound in Movie or Mono mode (no

effect in Music mode). Programmable values are listed in Table 24.

TREBLE_FREQ[

1:0]

Defines the treble frequency effect for ST WideSurround Sound in Movie or Mono mode (no effect

in Music mode). Programmable values are listed in Table 24.

Table 24: Phase Shifter Center Frequencies

Phase Shifter Center Frequency

BASS_FREQ[1:0]

MEDIUM_FREQ[1:0]

TREBLE_FREQ[1:0]

40 Hz

202 Hz

2 kHz

01 (Default)

90 Hz

416 Hz

4 kHz

120 Hz

500 Hz

5 kHz

160 Hz

588 Hz

6 kHz

Address (hex): 5Eh

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SRS_SPACE[7:0]

Bit Name

Reset

Function

SRS_SPACE[7:0]

10000000

Defines the gain of the SRS™ Surround component (in linear scale).

Level (%)

1000 0000 (Default)

100%

0000 0100

3.1%

0111 1111

99.2%

0000 0011

2.3%

0111 1110

98.4%

0000 0010

1.6%

0111 1101

97.6%

0000 0001

0.8%

........

0000 0000

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