STV82X7 datasheet(115/156 Pages) STMICROELECTRONICS

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STV82x7

STSRND_CONTROL

ST WideSurround Control Register

STSRND_FREQ

ST WideSurround Sound Frequency

SVC_HP_GAIN[6:0]

0000000

Set “make-up” gain applied at SVC HP output:

0000000:

+0 dB

0000001:

+0.5 dB

...

0101110:

+23 dB

0101111:

+23.5 dB

0110000:

+24 dB

Address: C4h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

STSRND_

STEREO

STSRND_

MODE

STSRND_ON

Bit Name

Reset

Function

Bits[7:3]

00000

Reserved.

STSRND_STEREO 0

ST WideSurround Mode

0: ST WideSurround Sound in Mono mode (Default)

1: ST WideSurround Sound in Stereo mode

STSRND_MODE

ST WideSurround Sound Stereo Mode

0: Movie Mode

1: Music Mode

STSRND_ON

ST WideSurround Sound Enable

0: ST WideSurround Sound is disabled

1: ST WideSurround Sound is enabled

Address: C5h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

STSRND_BASS[1:0]

STSRND_MEDIUM[1:0]

STSRND_TREBLE[1:0]

Bit Name

Reset

Function

Bits[7:6]

Reserved.

STSRND_BASS[1:0]

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

in Table 30.

STSRND_MEDIUM[1:0] 01

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 30.

Bit Name

Reset

Function

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