Measurement and Control of the Auditory Source Width of Stereo Signals
The spatial impression of an audio reproduction system describes how subjective listening qualities influence the perception of an acoustic event in space. Among these listening qualities is auditory source width (ASW), which describes the perceived lateral extent of the sonic image produced by the sound source. ASW can be measured and quantified using various energy-based or correlation-based metrics, and controlled using decorrelation techniques and all-pass filter architectures. Control over the ASW of stereo signals facilitates alchemy of the sound stage and spatial impression beyond the use of panning alone.
Event Contact: Ethan Stanhope
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