Amplitude Modulated Sinusoidal Models for Audio Modeling and Coding

@inproceedings{Christensen2003AmplitudeMS,
  title={Amplitude Modulated Sinusoidal Models for Audio Modeling and Coding},
  author={Mads Gr{\ae}sb\oll Christensen and S\oren Vang Andersen and S\oren Holdt Jensen},
  booktitle={KES},
  year={2003}
}
In this paper a new perspective on modeling of transient phenomena in the context of sinusoidal audio modeling and coding is presented. In our approach the task of nding time-varying amplitudes for sinusoidal models is viewed as an AM demodulation problem. A general perfect reconstruction framework for amplitude modulated sinusoids is introduced and model reductions lead to a model for audio compression. Demodulation methods are considered for estimation of the time-varying amplitudes, and… CONTINUE READING

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