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* Audio signal
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Audio and signal
* Audio Signal Processor, a large-scale digital signal processor developed by James A. Moorer at Lucasfilm
Audio signal processing, sometimes referred to as audio processing, is the intentional alteration of auditory signals, or sound, often through an audio effect or effects unit.
Signal Processing is a very mathematically oriented and intensive area forming the core of digital signal processing and it is rapidly expanding with new applications in every field of electrical engineering such as communications, control, radar, TV / Audio / Video engineering, power electronics and bio-medical engineering as many already existing analog systems are replaced with their digital counterparts.
Audio frequency-shift keying ( AFSK ) is a modulation technique by which digital data is represented by changes in the frequency ( pitch ) of an audio tone, yielding an encoded signal suitable for transmission via radio or telephone.
Audio cannot be recorded on a VHS tape without recording a video signal, even in the audio dubbing mode.
Digital Audio Tape ( DAT or R-DAT ) is a signal recording and playback medium developed by Sony and introduced in 1987.
* Digital Audio Tape, a signal recording and playback medium developed by Sony and introduced in 1987
* Universal Audio Inc, a designer and manufacturer of audio signal processing hardware and software.
Audio is typically recorded at 8 -, 16 -, and 20-bit depth, which yield a theoretical maximum signal to quantization noise ratio ( SQNR ) for a pure sine wave of, approximately, 49. 93 dB, 98. 09 dB and 122. 17 dB.
Intel provides a specification for that header ; the signal assignments are different for AC ' 97 and Intel High Definition Audio headers.
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