WM8608 datasheet(28/54 Pages) WOLFSON

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WM8608

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PP Rev 1.5 March 2004

STEREO INPUT – STEREO OUTPUT

The Front-Left and Front-Right inputs are passed to the Front-Left and Front-Right Outputs. All other

channels are muted.

STEREO INPUT – 2.1 OUTPUT

The Front-Left and Front-Right inputs are passed to the Front-Left and Front-Right Outputs. The low-

frequency contents of the Front inputs, may be optionally mixed and passed to the SUB output. The

Surround, Front Centre and Rear Centre channel outputs are muted.

5.1 INPUT – 2.1 OUTPUT

Stereo mix-down is not supported. In this mode, the Front-Left and Front-Right inputs are passed

to the Front-Left and Front-Right Outputs. The LFE and the low-frequency contents of the Front and

Surround inputs, may be optionally mixed and passed to the SUB output. The Surround, Front Centre

and Rear Centre channel outputs are muted.

5.1 INPUT – 6.1 OUTPUT

The Front and Surround channel inputs are passed to the Front and Surround channel outputs.

The LFE and the low-frequency contents of the Front and Surround inputs optionally, may be

mixed and passed to the SUB output. The RC OUT channel is obtained from the surround

channels according to the equation:

RC OUT = (SL IN + SR IN)/2

5.1 INPUT – 5.1 OUTPUT

The Front and Surround channel inputs are passed to the Front and Surround channel outputs.

The LFE and the low-frequency contents of the Front and Surround inputs, may be optionally

mixed and passed to the SUB output. The Rear-Centre channel is muted.

6.1 INPUT – 2.1 OUTPUT

Stereo mix-down is not supported. The Front-Left and Front-Right inputs are passed to the Front-

Left and Front-Right Outputs. The LFE and the low-frequency contents of the Front, Surround and

Rear-centre inputs are optionally mixed and passed to the SUB output. The Surround, Front Centre

and Rear Centre channel outputs are muted.

6.1 INPUT – 5.1 OUTPUT

The Front channel inputs are passed to the Front channel outputs. The LFE and the low-frequency

contents of the Front, Surround and Rear-centre inputs, may be optionally mixed and passed to the

SUB output. The RC IN channel is mixed into the SL OUT and SR OUT output channels according to

the equations:

SL OUT = (SL IN + RC IN)/2, SR OUT = (SR IN + RC IN)/2

The Rear-Centre output channel is muted.

6.1 INPUT –6.1 OUTPUT

The Front and Surround channel inputs are passed to the Front and Surround channel outputs.

The LFE and the low-frequency contents of the Front, Surround and Rear-centre inputs, may

be optionally mixed and passed to the SUB output. The RC OUT channel is obtained from

either RL IN or RR IN (dependent on setting of register bit RCFG).

7.1 INPUT – 2.1 OUTPUT

Stereo mix-down is not supported. The Front-Left and Front-Right inputs are passed to the Front-

Left and Front-Right outputs. The LFE and the low-frequency contents of the Front, Surround and

Rear inputs, may be optionally mixed and passed to the SUB output. The Surround, Front Centre and

Rear Centre channels are muted.

7.1 INPUT – 5.1 OUTPUT

The Front channel inputs are passed to the Front channel outputs. The LFE and the low-

frequency contents of the Front, Surround and Rear inputs, may be optionally mixed and

passed to the SUB output. The RL IN and RL OUT channels are mixed into the SL OUT and

SR OUT channels according to the equations:

SL OUT = (SL IN + RL IN)/2, SR OUT = (SR IN + RR IN)/2

The Rear-Centre output channel is muted.

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