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This can involve the digital transmission of sound and its conversion into analog signals which are then amplified so the listener can hear them through loudspeakers. Conversely, it also involves the recording of acoustic sound via microphones, and the analog audio signal's conversion into digital format so that it can be recorded and manipulated by a computing device. Finally, the tag "audio" will also be used to refer to the digital manipulation and signal processing of sound materials in applications (such as the Digital Audio Workstation).

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