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Audio Signal - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/audio-signal
Audio signals may be processed in a multitude of ways with the most familiar being equalizers which are also used on many car and home stereo systems. An equalizer processes the audio signal by increasing or decreasing the low-, mid-, and high-level frequencies to provide the most pleasing audio sound possible.
Audio Signals - Stanford
https://web.stanford.edu/class/engr108/lectures/audio_slides.pdf
Scaling audio signals I if xis an audio signal, what does axsound like? (ais a number) I answer: same as xbut louder if jaj>1 and quieter if jaj<1 { 2x sounds noticeably louder than x { (1=2)x sounds noticeably quieter than x { 10x sounds much louder than x { x sounds the same as x I a volume control simply scales an audio signal
Audio Signals, Sound, Vibration, Amplitude, Frequency ...
https://www.hackaudio.com/computer-programming/audio-basics/audio-signals/
Audio Signals. Sound is vibration. It is created by the movement of a sound source. It travels through air (or another medium) by the movement of air molecules. It is captured with a receiver (a microphone or our ears) by the movement of a diaphragm. Sound is a signal because there is information in these vibrations.
Audio Signal Processing - an overview | ScienceDirect …
https://www.sciencedirect.com/topics/engineering/audio-signal-processing
Audio Processing. Steven W. Smith, in Digital Signal Processing: A Practical Guide for Engineers and Scientists, 2003. Audio processing covers many diverse fields, all involved in presenting sound to human listeners. Three areas are prominent: (1) high fidelity music reproduction, such as in audio compact discs, (2) voice telecommunications ...
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