Diffsptk Versions Save

A differentiable version of SPTK

v0.3.0

2 years ago

Third release

Some minor bugs were fixed by introducing a coverage test.

Additional implemented modules are:

  • df2
  • dfs
  • grpdelay
  • lpccheck
  • mcpf
  • mpir2c
  • phase

The default floor values of fbank and mfcc were changed.

v0.2.0

2 years ago

Second release

Additional implemented modules are:

  • c2ndps
  • delta
  • dequantize
  • gnorm
  • ignorm
  • lpc2par
  • mgc2mgc
  • mgc2sp
  • mlpg
  • ndps2c
  • norm0
  • par2lpc
  • quantize
  • rmse
  • snr
  • zcross

Currently, mlpg assumes a global diagonal unit variance. Note that zcross cannot compute gradient.

v0.1.0

2 years ago

Initial release

Implemented modules are:

  • acorr
  • b2mc
  • c2mpir
  • cdist
  • dct
  • decimate
  • fbank
  • fftcep
  • frame
  • freqt
  • idct
  • interpolate
  • ipqmf
  • iulaw
  • levdur
  • linear_intpl
  • lpc
  • mc2b
  • mfcc
  • mcep
  • pqmf
  • spec
  • stft
  • ulaw
  • window
  • zerodf

Currently, levdur and mcep solve their linear system by naive matrix inversion.