- Source: Residual-excited linear prediction
Residual-excited linear prediction (RELP) is an obsolete speech coding algorithm. It was originally proposed in the 1970s and can be seen as an ancestor of code-excited linear prediction (CELP). Unlike CELP however, RELP directly transmits the residual signal. To achieve lower rates, that residual signal is usually down-sampled (e.g. to 1–2 kHz). The algorithm is hardly used anymore in audio transmission.
It is still used in some text-to-speech voices, such as the diphone databases found in the Festival and Flite speech synthesizers.
References
External links
Taguchi, Akihiro. 2003. Residual-excited linear predictive (RELP) vocoder system with TMS320C6711 DSK and vowel characterization (Master's thesis). University of Saskatchewan. Retrieved 2024-01-15.
Kata Kunci Pencarian:
- Code-excited linear prediction
- Residual-excited linear prediction
- Harmonic Vector Excitation Coding
- RELP
- Speech coding
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