STV8236 datasheet(70/97 Pages) STMICROELECTRONICS

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9.13

Surround

LS_SRD_CTRL

Loudspeaker Surround Control Register

LS_STS_GAIN

Loudspeaker ST WideSurround Gain Register

Address (hex): 5Bh

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SRD_ON

SRD_SEL

SRD_STEREO

STS_MODE

Bit Name

Reset

Function

SRD_ON

Surround Sound Enable

0: Surround Sound is disabled

1: Surround Sound is enabled

Bits[6:3]

0000

Reserved

SRD_SEL

Surround Sound Select

0: ST WideSurround Sound (Default)

1: SRS™ Surround Sound. This option is only available if the SRS_ON bit in register CUT_ID is

set. (STV8226/36 only)

SRD_STEREO

Surround Sound Stereo Mode

0: Surround Sound in Mono mode (Default)

1: Surround Sound in Stereo mode

STS_MODE

ST WideSurround Sound Mode Selection for Stereo Source Only

The ST_ID bit in register AUTO_STAT must be set.

0: ST WideSurround Sound Movie mode (Default)

1: ST WideSurround Sound Music mode

Address (hex): 5Ch

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

STS_GAIN[7:0]

Bit Name

Reset

Function

STS_GAIN[7:0]

10000000

Defines the ST WideSurround Sound component gain 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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