SPTKコマンド群コマンドリスト


コマンド群がインストールされるため、なんのコマンドがあるのかわからなくなりやすい。
ので、リファレンスPDFからリストを持ってきました。
尚元が英語なのでそのまま英語の説明しかありません（音響系難しいし理解していないので訳したくない...）


| コマンド      | 説明 |
|:-:|:-:|
| acep          |adaptive cepstral analysis                                                    |
| acorr         |obtain autocorrelation sequence                                               |
| acr2csm       |transform autocorrelation to CSM                                              |
| agcep         |adaptive generalized cepstral analysis                                        |
| amcep         |adaptive mel-cepstral analysis                                                |
| average       |calculate mean for each block                                                 |
| b2mc          |transform MLSA digital filter coefficients to mel-cepstrum                    |
| bcp           |block copy                                                                    |
| bcut          |binary file cut                                                               |
| bell          |ring a bell                                                                   |
| c2acr         |transform cepstrum to autocorrelation                                         |
| c2ir          |cepstrum to minimum phase impulse response                                    |
| c2ndps        |cepstrum to Negative Derivative of Phase Spectrum (NDPS)                      |
| c2sp          |transform cepstrum to spectrum                                                |
| cdist         |calculation of cepstral distance                                              |
| clip          |data clipping                                                                 |
| csm2acr       |transform CSM to autocorrelation                                              |
| da            |play16-bit linear PCM data                                                    |
| dct           |DCT-II                                                                        |
| decimate      |decimation(dataskipping)                                                      |
| delay         |delay sequence                                                                |
| delta         |delta calculation                                                             |
| df2           |second order standard form digital filter                                     |
| dfs           |digital filter in standard form                                               |
| dmp           |binary file dump                                                              |
| dtw           |dynamic time warping                                                          |
| ds            |down-sampling                                                                 |
| echo2         |echo arguments to the standard error                                          |
| excite        |generate excitation                                                           |
| extract       |extractvector                                                                 |
| fd            |file dump                                                                     |
| fdrw          |draw a graph                                                                  |
| fft           |FFT for complex sequence                                                      |
| fft2          |2-dimensional FFT for complex sequence                                        |
| fftcep        |FFT cepstral analysis                                                         |
| fftr          |FFT for real sequence                                                         |
| fftr2         |2-dimensional FFT for real sequence                                           |
| fig           |plot a graph                                                                  |
| frame         |extract frame from data sequence                                              |
| freqt         |frequency transformation                                                      |
| gc2gc         |generalized cepstral transformation                                           |
| gcep          |generalized cepstral analysis                                                 |
| glogsp        |draw a log spectrum graph                                                     |
| glsadf        |GLSA digital filter for speech synthesis                                      |
| gmm           |GMM parameter estimation                                                      |
| gmmp          |calculation of GMM log-probability                                            |
| gnorm         |gain normalization                                                            |
| grlogsp       |draw a running log spectrum graph                                             |
| grpdelay      |group delay of digital filter                                                 |
| gseries       |draw a discrete series                                                        |
| gwave         |draw a wave form                                                              |
| histogram     |histogram                                                                     |
| idct          |Inverse DCT-II                                                                |
| ifft          |inverse FFT for complex sequence                                              |
| ifft2         |2-dimensional inverse FFT for complex sequence                                |
| ifftr         |inverse FFT for real sequence                                                 |
| ignorm        |inverse gain normalization                                                    |
| impulse       |generate impulse sequence                                                     |
| imsvq         |decoder of multi stage vector quantization                                    |
| interpolate   |interpolation of data sequence                                                |
| ivq           |decoder of vector quantization                                                |
| lbg           |LBG algorithm for vector quantizer design                                     |
| levdur        |solve an autocorrelation normal equation using Levinson-Durbin method         |
| linear_intpl  |linear interpolation of data                                                  |
| lmadf         |LMA digital filter for speech synthesis                                       |
| lpc           |LPC analysis using Levinson-Durbin method                                     |
| lpc2c         |transform LPC to cepstrum                                                     |
| lpc2lsp       |transform LPC to LSP                                                          |
| lpc2par       |transform LPC to PARCOR                                                       |
| lsp2lpc       |transform LSP to LPC                                                          |
| lsp2sp        |transform LSP to spectrum                                                     |
| lspcheck      |check stability and rearrange LSP                                             |
| lspdf         |LSP speech synthesis digital filter                                           |
| ltcdf         |all-pole lattice digital filter for speech synthesis                          |
| mc2b          |transform mel-cepstrum to MLSA digital filter coefficients                    |
| mcep          |mel cepstral analysis                                                         |
| merge         |data merge                                                                    |
| mfcc          |mel-frequency cepstral analysis                                               |
| mgc2mgc       |frequency and generalized cepstral transformation                             |
| mgc2mgclsp    |transform MGC to MGC-LSP                                                      |
| mgc2sp        |transform mel-generalized cepstrum to spectrum                                |
| mgcep         |mel-generalized cepstral analysis                                             |
| mgclsp2sp     |transform MGC-LSP to spectrum                                                 |
| mgclsp2mgc    |transform MGC-LSPtoMGC                                                        |
| mglsadf       |MGLSA digital filter for speech synthesis                                     |
| minmax        |find minimum and maximum values                                               |
| mlpg          |obtains parameter sequence from PDF sequence                                  |
| mlsacheck     |check stability of MLSA filter                                                |
| mlsadf        |MLSA digital filter for speech synthesis                                      |
| msvq          |multi stage vector quantization                                               |
| nan           |data check                                                                    |
| ndps2c        |Negative Derivative of Phase Spectrum (NDPS) to cepstrum                      |
| norm0         |normalize coefficients .................                                      |
| nrand         |generate normal distributed random value                                      |
| par2lpc       |transform PARCOR to LPC                                                       |
| pca           |principal component analysis                                                  |
| pcas          |calculate principal component scores                                          |
| phase         |transform real sequence to phase                                              |
| pitch         |pitch extraction                                                              |
| pitch_mark    |pitch mark extraction                                                         |
| poledf        |all pole digital filter for speech synthesis                                  |
| psgr          |XY-plotter simulator for EPSF                                                 |
| ramp          |generate ramp sequence                                                        |
| raw2wav       |raw to wav(RIFF)                                                              |
| reverse       |reverse the order of data in each block                                       |
| rlevdur       |solve an autocorrelation normal equation using reverse Levinson-Durbin method |
| rmse          |calculation of root mean squared error                                        |
| root_pol      |calculate roots of a polynomial equation                                      |
| sin           |generate sinusoidal sequence                                                  |
| smcep         |mel-cepstral analysis using 2nd order all-pass filter                         |
| snr           |evaluate SNR and segmental SNR                                                |
| sopr          |execute scalar operations                                                     |
| spec          |transform real sequence to log spectrum                                       |
| step          |generate step sequence                                                        |
| swab          |swap bytes                                                                    |
| symmetrize    |symmetrize the sequence of data                                               |
| train         |generate pulse sequence                                                       |
| transpose     |transpose a matrix                                                            |
| uels          |unbiased estimation of log spectrum                                           |
| ulaw          |μ-law compress/decompress                                                     |
| us            |up-sampling                                                                   |
| us16          |up-sampling from 10 or 12kHz to 16kHz                                         |
| uscd          |up/down-sampling from 8, 10, 12, or 16 kHz to 11.025, 22.05, or 44.1 kHz      |
| vc            |GMM-based voice conversion                                                    |
| vopr          |execute vector operations                                                     |
| vq            |vector quantization                                                           |
| vstat         |vector statistics calculation                                                 |
| vsum          |summation of vector                                                           |
| wav2raw       |wav(RIFF) to raw                                                              |
| wavjoin       |join two monaural WAV files                                                   |
| wavsplit      |split a stereo WAV file                                                       |
| window        |data windowing                                                                |
| x2x           |data type transformation                                                      |
| xgr           |XY-plotter simulator for X-window system                                      |
| zcross        |zero cross                                                                    |
| zerodf        |all zero digital filter for speech synthesis                                  |