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A persective on digital ANC solutions in a low latency dominated world
Active noise cancelling (ANC) technology was used typically in pricey headsets to attenuate the engine noise of an aircraft. The technique to attenuate the unwanted ambient noise is rather old and was invented in the last century. Meanwhile, the headset industry noticed the advantages of ANC with its enhanced listening experience to differentiate from commodity headsets. Since ANC was a niche market to the semiconductor industry, the typical technical implementations used to be discrete with stand-alone headphone amplifiers, operational amplifiers, and microphone pre-amplifiers.
