Time-domain harmonic scaling
Time-domain harmonic scaling (TDHS) is a method for time-scale modification of speech (or other audio signals), allowing the apparent rate of speech articulation to be changed without affecting the pitch-contour and the time-evolution of the formant structure. TDHS differs from other time-scale modification algorithms in that time-scaling operations are performed in the time domain (not the frequency domain).
Proposed by D. Malah in 1979
- Richard V. Cox; Ronald E. Crochiere; James D. Johnston (February 1983). "Real-time implementation of time domain harmonic scaling of speech for rate modification and coding" (PDF). IEEE Transactions on Acoustics, Speech, and Signal Processing. ASSP-31 (1): 258–272.
- Moulines, Eric & Jean Laroche. (1995). "Non-parametric techniques for pitch-scale and time-scale modification of speech" (PDF). Speech communication. 16 (2): 175–205. doi:10.1016/0167-6393(94)00054-e.
- Malah, D. A. V. I. D., R. Crochiere, and R. Cox. (1981). "Performance of transform and subband coding systems combined with harmonic scaling of speech" (PDF). IEEE Transactions on Acoustics, Speech and Signal Processing. 29 (2): 273–283. doi:10.1109/tassp.1981.1163547.
- David Malah (April 1979). "Time-domain algorithms for harmonic bandwidth reduction and time scaling of speech signals" (PDF). IEEE Transactions on Acoustics, Speech, and Signal Processing. ASSP-27 (2): 121–133.
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