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Adaptive feedback cancellation originated during the evolution of the hearing aid. The hearing aid became digital, and as such feedback cancellation was needed. In 1980 a directional microphone was introduced in the digital hearing aid, and adaptive feedback cancellation was created to block external noise that the microphone picked up. Today ...
Echo suppression and echo cancellation are methods used in telephony to improve voice quality by preventing echo from being created or removing it after it is already present. In addition to improving subjective audio quality, echo suppression increases the capacity achieved through silence suppression by preventing echo from traveling across a ...
A noise-cancellation speaker emits a sound wave with the same amplitude but with an inverted phase (also known as antiphase) relative to the original sound. The waves combine to form a new wave, in a process called interference , and effectively cancel each other out – an effect which is called destructive interference .
The term loudspeaker may refer to individual transducers (also known as drivers) or to complete speaker systems consisting of an enclosure and one or more drivers.. To adequately and accurately reproduce a wide range of frequencies with even coverage, most loudspeaker systems employ more than one driver, particularly for higher sound pressure level (SPL) or maximum accuracy.
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The Sound Blaster 16 is a series of sound cards by Creative Technology, first released in June 1992 for PCs with an ISA or PCI slot. It was the successor to the Sound Blaster Pro series of sound cards and introduced CD-quality digital audio to the Sound Blaster line.
The Echo Nest is a music intelligence and data platform [clarification needed] for developers and media companies. Owned by Spotify since 2014, [ 4 ] the company is based in Somerville , MA . The Echo Nest began as a research spin-off from the MIT Media Lab to understand the audio and textual content of recorded music. [ 5 ]