US Patent Issued to Huawei Technologies on Nov. 4 for "Audio controller for a semi-adaptive active noise reduction device" (German Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,285, issued on Nov. 4, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Audio controller for a semi-adaptive active noise reduction device" was invented by Liyun Pang (Munich), Fons Adriaensen (Munich), Song Li (Hannover, Germany) and Roman Schlieper (Hannover, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An audio controller for an active noise reduction, ANR, reduces an ambient noise signal. The audio controller includes processing circuitry configured to provide a fixed ANR filter configured to generate a first noise reduction signal. Moreover, the processing circuitry is further configured to provide an adaptive ANR filte...