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This paper presents a perception based model for calculating the difference between two binaural signals to more accurately represent the perceptual relevance of spectral differences. A basic spectral difference calculation, the difference between the fast Fourier transforms (FFTs) of two audio signals, is not an accurate metric for human perception as the auditory system differs greatly in sensitivity depending on relative amplitude, frequency, and temporal aspects. The presented model is evaluated through objective measures and comparison to the results of a previously published listening test.
Author (s): Armstrong, Calum; McKenzie, Thomas; Murphy, Damian; Kearney, Gavin
Affiliation:
University of York, York, UK
(See document for exact affiliation information.)
AES Convention: 145
Paper Number:457
Publication Date:
2018-10-06
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Session subject:
Posters: Spatial Audio
Permalink: https://aes2.org/publications/elibrary-page/?id=19722
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Armstrong, Calum; McKenzie, Thomas; Murphy, Damian; Kearney, Gavin; 2018; A Perceptual Spectral Difference Model for Binaural Signals [PDF]; University of York, York, UK; Paper 457; Available from: https://aes2.org/publications/elibrary-page/?id=19722
Armstrong, Calum; McKenzie, Thomas; Murphy, Damian; Kearney, Gavin; A Perceptual Spectral Difference Model for Binaural Signals [PDF]; University of York, York, UK; Paper 457; 2018 Available: https://aes2.org/publications/elibrary-page/?id=19722