WM8960CGEFLSLASHV datasheet(37/94 Pages) CIRRUS

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WM8960

Rev 4.4

3D STEREO ENHANCEMENT

The WM8960 has a digital 3D enhancement option to artificially increase the separation between the

left and right channels. This effect can only be used for playback, not for record.

The 3D enhancement function is activated by the 3DEN bit, and the 3DDEPTH setting controls the

degree of stereo expansion. Additionally, one of four filter characteristics can be selected for the 3D

processing, using the 3DUC and 3DLC control bits.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R16 (10h)

3D enhance

3DUC

Upper Cut-Off Frequency

0 = High (Recommended for

fs>=32kHz)

1 = Low (Recommended for

fs<32kHz)

3DLC

Lower Cut-Off Frequency

0 = Low (Recommended for

fs>=32kHz)

1 = High (Recommended for

fs<32kHz)

4:1

3DDEPTH

[3:0]

0000

3D Stereo Depth

0000 = 0% (minimum 3D effect)

0001 = 6.67%

....

1110 = 93.3%

1111 = 100% (maximum 3D effect)

3DEN

3D Stereo Enhancement Enable

0 = Disabled

1 = Enabled

Table 19 3D Stereo Enhancement Function

When 3D enhancement is enabled it may be necessary to attenuate the signal by 6dB to avoid

limiting. This is a user-selectable function, enabled by setting DACDIV2.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R5 (05h)

ADC and DAC

control (1)

DACDIV2

DAC 6dB attenuate enable

0 = disabled (0dB)

1 = -6dB enabled

Table 20 DAC 6dB Attenuation Select

WM8960CGEFL/V Datasheet(PDF) 37 Page - Cirrus Logic

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