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A vocoder framework which had been widely used in research community since 1999.
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HidekiKawahara Added Japanese manual
Added a detailed technical document of legacy-STRAIGHT, originally
written in 2006.
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README.md

Legacy STRAIGHT

The legacy-STRAIGHT is a collection of speech analysis, modification and resynthesis tools.

Installation

Set MATLAB path to "src" directory.

Quick start

Paste the following code to MATLAB command window. It generates copy-synthesized output to the variable "syntheszed_signal".

[x, fs] = audioread('vaiueo2d.wav'); 
f0raw = MulticueF0v14(x,fs); 
ap = exstraightAPind(x,fs,f0raw);
n3sgram=exstraightspec(x,f0raw,fs);
syntheszed_signal = exstraightsynth(f0raw,n3sgram,ap,fs);

For running this using GNU Octave, please load signal package.

pkg load signal

Release note

  • [July 19, 2018; Prerelease] The "Quick start" example also runs properly on GNU Octave 4.4.0 on macOS High Sierra (10.13.6)

  • [July 17, 2018: Prerelease] Added documemts. The first release will be on July 24, 2018.

  • [July 16, 2018: Prerelease] This release is a copy of the latest version which was distributed by the first author (Hideki Kawahara) to academic communities. The version is named STRAIGHTV40_007. The last update was July 17, 2016. Kansai TLO has also licensed the legacy-STRAIGHT for commercial use. The licensees of the legacy-STRAIGHT agreed to make the legacy-STRAIGHT open to the public after July 15, 2018.

Acknowledgment

The legacy-STRAIGHT was supported by many coauthors, contributors, and funding agencies.


Hideki Kawahara, July 16, 2018 (start date)

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