WM8608 ETC-unknow, WM8608 Datasheet - Page 29

• Manufacturer Part Number: WM8608
• Description: The Wm8608 Comprises A High Performance Multi-channel Pwm Digital Power Amplifier Controller. Simply By Adding Appropriate Power Output Stages A Multi-channel Power Amplifier May Be Built. Six Identical Full Audio Bandwidth Channels, Plus A Reduced B
• Manufacturer: ETC-unknow

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BASS MANAGEMENT
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7.1 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 inputs, may be
optionally mixed and passed to the SUB output. The RC OUT channel is obtained from:
The Bass Management function filters and combines the input signals to produce a low-pass filtered
output for the sub-woofer channel and high-pass filtered outputs for the remaining channels. The
filters have selectable cut-off frequencies to match different types of sub-woofer and satellite
speakers. The filters are designed so that the cut-off frequencies for the high-pass and low-pass
filters remain constant irrespective of the sampling frequency used. 1
low-pass and high-pass filters.
Figure 20 Bass Management
(RL IN + RR IN)/2
LFE
SR
FC
FR
SL
FL
RC
+10dB
hp
hp
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hp
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lp
lp
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lp
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lp
+
st
order filters are used for the
PP Rev 1.5 March 2004
RC
SR
FL
SL
FC
FR
SUB
WM8608
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