Search results
Results from the WOW.Com Content Network
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 ...
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 ...
The Echo experience sees the player traversing endless corridors and chambers, mostly traveling further down into an endless superstructure. The early game allows the player ample time to learn each of the tools as they become available, as well as solving puzzles, but before long enemies start presenting themselves.
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 .
Speakerphones may be broadly divided into two classes of Duplex: . Half-duplex; Full-duplex; Half-duplex speakerphones allow sound to travel only in one direction at a time, either: 1) into the speakerphone from the telephone line and out of its internal speaker to its user, or 2) from its user, into the microphone, and out through the telephone line.
Noise cancellation to eliminate ambient noise is never passive because of the circuitry required, so references to passive noise cancellation actually are referring to products featuring sound isolation. To prevent higher-frequency noise from reaching the ear, most noise-cancelling headphones depend on sound isolation or soundproofing.
Speaker drivers may be designed to operate within a broad or narrow frequency range. Small diaphragms are not well suited to moving the large volume of air that is required for good low-frequency response. Conversely, large drivers may have heavy voice coils and cones that limit their ability to move at very high frequencies.
There Came an Echo is a real-time tactics video game developed for Microsoft Windows through Steam in 2015, and for PlayStation 4's PlayStation Network in 2016. It is the sequel to the 2011 video game Before the Echo. The player can use a voice control system to direct their units around the battlefield to ensure a tactical advantage over the ...