Self-contained active sound reproducer with switchable control unit master/slave
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United States of America Patent
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-
May 17, 1994
Grant Date -
N/A
app pub date -
Oct 21, 1992
filing date -
Nov 12, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An active sound reproducer (76, 78) receives an audio signal and setting signals (volume settings, filter coefficients) via a digital bus (75) for processing the audio signal. Normally, the setting signals are applied by a suitable ('compatible') control unit (74). If this unit is not present, this task is taken over by one sound reproducer operating as a 'master'. In a setup procedure, it is determined which one of the sound reproducers operates as a master. Each sound reproducer is adapted to receive remote control signals and to transmit these signals to the master reproducer via the digital bus. This master reproducer then distributes the setting signals to the relevant sound reproducers via the digital bus. The control unit or the reproducer operating as a master may be located in another space.
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