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Phase modeling of instrument sounds based on psycho acoustic experiments

This article presents a number of preliminary psycho-acoustic experiments for assessing the importance of phase preservation in monaural recorded sounds from music instruments and singing voice. The experiments are based on additive analysis/synthesis to control the phase as a parameter independent of amplitude and frequency. The experiments shows that phase is an important perceptual parameter for a wide range of musical sounds. Furthermore phase representations in the additive analysis/synthesis is reviewed, and an extension to an existing way of representing the phase is presented. This representation shows promising results for building simple phase models for the stable parts of voiced sounds.