Amplitude Modulated Sinusoidal Decomposition for Audio Coding | M. G. Christensen, A. Jacobson, S. V. Andersen, S. H. Jensen
| | Abstract | In this paper, we present a decomposition for sinusoidal
coding of audio, based on an amplitude modulation of sinusoids via a
linear combination of arbitrary basis vectors. The proposed method, which incorporates a perceptual distortion measure, is based on a relaxation of a nonlinear least-squares minimization. Rate-distortion curves and listening tests show that, compared to a constant-amplitude sinusoidal coder, the proposed decomposition offers perceptually significant improvements in critical transient signals. | | Type | Journal paper [With referee] | | Journal | IEEE Signal Processing Letter | | Year | 2006 | | BibTeX data | [bibtex] | | IMM Group(s) | Other |
|