SPTK 4.0 (Under Construction)

The Speech Signal Processing Toolkit (SPTK) is a software for speech signal processing tools for UNIX environments.

Documentation

See this page for a reference manual.

Requirements

• GCC 4.8+

Installation

The latest release can be installed through Git:

git clone https://github.com/sp-nitech/SPTK.git
cd SPTK
make

Then the SPTK commands can be used by adding SPTK/bin/ directory to the PATH environment variable. If you would like to use a part of the SPTK library, please link the static library SPTK/lib/libsptk.a.

Examples

The SPTK provides some examples. Go to an example directory and execute run.sh, e.g.,

cd egs/analysis_synthesis/mgc
./run.sh

Changes from SPTK3

• Input and output types are changed to double from float
• Deprecated commands:
  • acep
  • c2sp
  • gc2gc
  • gcep
  • glsadf
  • ivq
  • lmadf
  • lsp2sp
  • mcep
  • mlsadf
  • uels
  • vq
• Split commands:
  • dtw -> dtw and dtw_merge
  • mglsadf -> mglsadf and imglsadf
  • train -> train and mseq
  • ulaw -> ulaw and iulaw
  • vstat -> vstat and median
• Integrated commands:
  • agcep and amcep -> amgcep

Authors

• Keiichi Tokuda - Produce and Design - Nagoya Institute of Technology
• Keiichiro Oura - Main Maintainer - Nagoya Institute of Technology
• Takenori Yoshimura - Nagoya Institute of Technology
• Yoshihiko Nankaku - Nagoya Institute of Technology

Contributors

• Cassia Valentini - The University of Edinburgh
  • Calculated the coefficients of the 6th- and 7th-order modified Pade approximation.

License

This software is released under the Modified BSD license - see LICENSE file for details.