Audio Level Control
Patent No. EP1736001 (titled "Audio Level Control") was filed by Koninklijke Philips on Mar 31, 2005. The application was issued on Sep 29, 2021.
Patent Summary
A level adjustment device for simultaneously rendered audio channels associated with respective video channels comprises a user-controlled selection means to designate one channel as a main channel (MC) and another as an auxiliary channel (AC1). Level adjustment means include a user-controlled level adjustment unit, consisting of a level control unit and a controlled amplifier, which adjusts the MC sound level based on a user control signal to produce an adjusted output audio signal. Automatic level adjustment means adjust the AC1 sound level relative to the MC based on a control signal identical to, or derived from, the MC's adjusted output audio signal, maintaining a pre-set ratio between the auxiliary and main channel sound levels.
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Date
Description
EP1736001
- Application Number
- EP05718606A
- Filing Date
- Mar 31, 2005
- Status
- Patent Maintained As Amended
- Aug 27, 2021
- Publication Date
- Sep 29, 2021
- External Links
- Slate, Register , Google Patents