Binaural analysis/synthesis of interior aircraft sounds

摘要

A binaural sinusoids+noise synthesis model is proposed for reproducing interior aircraft sounds. First, a method for spectral and spatial characterization of binaural interior aircraft sounds is presented. This characterization relies on a stationarity hypothesis and involves four estimators: left and right power spectra, interaural coherence and interaural phase difference. Then we present two extensions of the classical sinusoids+noise model for the analysis and synthesis of stationary binaural sounds. First, we propose a binaural estimator using relevant information in both left and right channels for peak detection. Second, the residual modeling is extended to integrate two interaural spatial cues, namely coherence and phase difference. The resulting binaural sinusoids+noise model is evaluated on a recorded aircraft sound.