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AudiogalaxyAudiogalaxy was a file sharing system located at http://www. audiogalaxy. com/ that indexes MP3 files. Founded by Michael Merhej and sporting a web-based search engine, always-on searching for requested files, auto-resume and low system impact, it quickly Audio file formatAn audio file format is a file format for storing audio data on a computer system. There are many file formats for storing audio files. It's important to distinguish file format and codec, even though most audio file formats support only one audio codec. Audio data compressionNote: This article is about audio data compression, which reduces the data rate of digital audio signals. This should not be confused with audio level compression which reduces the dynamic range of audio signals, or companding, which uses both compression Audio signal processingAudio signal processing sometimes referred to as audio processing is the processing of a representation of auditory signals, or sound. The representation can be digital or analog. An analog representation is usually electrical; a voltage level represents AudioAudio can mean: sound that can be heard electronic or other signals of frequencies audible to humans (about 20--20,000 Hz) broadcasting or reception of sound high-fidelity sound reproduction sound recording and reproduction in general "I hear" in the Lati Audio response unitIn telecommunication, an audio response unit (ARU) is a device that provides synthesized voice responses to dual-tone multifrequency signaling input by processing calls based on (a) the call-originator input, (b) information received from a host data base Audio timescale-pitch modification Audio codec Audio editing Audio amplifier Audion Audiophile Audio mixing Audio storage Audio feedback