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 Contents |
Voicebox: Speech Processing Toolbox for MATLAB |
| activlev |
ACTIVLEV Measure active speech level as in ITU-T P.56 [LEV,AF,FSO]=(sp,FS,MODE) |
| activlevg |
ACTIVLEVG Measure active speech level robustly [LEV,AF,FSO]=(sp,FS,MODE) |
| atan2sc |
ATAN2SC sin and cosine of atan(y/x) [S,C,R,T]=(Y,X) |
| axisenlarge |
AXISENLARGE - enlarge the axes of a figure (f,h) |
| bark2frq |
BARK2FRQ Convert the BARK frequency scale to Hertz FRQ=(BARK) |
| berk2prob |
BERK2PROB convert Berksons to probability |
| bitsprec |
BITSPREC round values to a specified fixed or floating precision (X,N,MODE) |
| cblabel |
h is the handle of the colorbar, axis or figure |
| ccwarpf |
CCWARPF Warp cepstral coefficients M=(F,N,S) |
| cent2frq |
FRQ2ERB Convert Hertz to Cents frequency scale [C,CR]=(FRQ) |
| cep2pow |
CEP2POW convert cepstral means and variances to the power domain |
| choosenk |
CHOOSENK All choices of K elements taken from 1:N [X]=(N,K) |
| choosrnk |
CHOOSRNK All choices of K elements taken from 1:N with replacement. [X]=(N,K) |
| correlogram |
make correlogram, |
| distchar |
DISTCHAR calculates the cosh spectral distance between AR coefficients D=(AR1,AR2,MODE) |
| distchpf |
DISTCHPF calculates the cosh spectral distance between power spectra D=(PF1,PF2,MODE) |
| disteusq |
DISTEUSQ calculate euclidean, squared euclidean or mahanalobis distance D=(X,Y,MODE,W) |
| distisar |
DISTISAR calculates the Itakura-Saito distance between AR coefficients D=(AR1,AR2,MODE) |
| distispf |
DISTISPF calculates the Itakura-Saito spectral distance between power spectra D=(PF1,PF2,MODE) |
| distitar |
DISTITAR calculates the Itakura distance between AR coefficients D=(AR1,AR2,MODE) |
| distitpf |
DISTITPF calculates the Itakura spectral distance between power spectra D=(PF1,PF2,MODE) |
| ditherq |
DITHERQ add dither and quantize [Y,ZF]=(X,M,ZI) |
| dlyapsq |
Solves the discrete Lyapunov equation AV‘VA‘ - V‘V +BB‘ =0 |
| dualdiag |
DUALDIAG Simultaneous diagonalisation of two hermitian matrices [A,D,E]=(W,B) |
| dypsa |
DYPSA Derive glottal closure instances from speech [gci,goi] = (s,fs) |
| enframe |
ENFRAME split signal up into (overlapping) frames: one per row. [F,T]=(X,WIN,INC) |
| entropy |
ENTROPY calculates the entropy of discrete and sampled continuous distributions H=(P,DIM,COND,ARG,STEP) |
| erb2frq |
ERB2FRQ Convert ERB frequency scale to Hertz FRQ=(ERB) |
| estnoiseg |
ESTNOISEG - estimate MMSE noise spectrum [x,zo]=(yf,tz,pp) |
| estnoisem |
ESTNOISEM - estimate noise spectrum using minimum statistics |
| ewgrpdel |
EWGRPDEL calculates the energy weighted group delay waveform Y=(X,W,M) |
| fig2emf |
FIG2EMF save a figure in windows metafile format (H,S,P) |
| figbolden |
FIGBOLDEN embolden, resize and recolour the current figure =(POS,PV,M) |
| filtbankm |
FILTBANKM determine matrix for a linear/mel/erb/bark-spaced filterbank [X,MN,MX]=(P,N,FS,FL,FH,W) |
| filterbank |
FILTERBANK appply filterbank to a signal: [y,zo]=(b,a,x,gd) |
| finishat |
FINISHAT print estimated finish time of a long computation (FRAC,TOL,FMT) |
| fopenmkd |
FOPENMKD is the same as FOPEN but creates any missing directories [fid,mes]=(fn,pe,mf,en) |
| frac2bin |
FRAC2BIN Convert an column vector to binary S=(D,N,M) |
| fram2wav |
FRAM2WAV converts frame values to a continuous waveform [W]=(X,TT,MODE) |
| frq2bark |
FRQ2BARK Convert Hertz to BARK frequency scale BARK=(FRQ) |
| frq2cent |
FRQ2ERB Convert Hertz to Cents frequency scale [C,CR]=(FRQ) |
| frq2erb |
FRQ2ERB Convert Hertz to ERB frequency scale ERB=(FRQ) |
| frq2mel |
FRQ2ERB Convert Hertz to Mel frequency scale MEL=(FRQ) |
| frq2midi |
FRQ2MIDI Convert frequencies to musical note numbers [N,T]=(F) |
| fxpefac |
FXPEFAC PEFAC pitch tracker [FX,TT,PV,FV]=(S,FS,TINC,M,PP) |
| fxrapt |
FXRAPT RAPT pitch tracker [FX,VUV]=(S,FS) |
| gammabank |
GAMMABANK gammatone filter bank [b,a,fx,bx,gd]=(n,fs,w,fc,bw,ph,k) |
| gausprod |
GAUSPROD calculates a product of gaussians [G,U,K]=(M,C) |
| gaussmix |
GAUSSMIX fits a gaussian mixture pdf to a set of data observations [m,v,w,g,f]=(x,c,l,m0,v0,w0,wx) |
| gaussmixd |
GAUSSMIXD marginal and conditional Gaussian mixture densities |
| gaussmixg |
GAUSSMIXG global mean, variance and mode of a GMM |
| gaussmixk |
GAUSSMIXK approximate Kullback-Leibler divergence between two GMMs + derivatives |
| gaussmixm |
GAUSSMIXM estimate mean and variance of the magnitude of a GMM |
| gaussmixm_cart |
create a CART tree for gaussmixm |
| gaussmixp |
GAUSSMIXP calculate probability densities from or plot a Gaussian mixture model |
| gaussmixt |
GAUSSMIXT Multiply two GMM pdfs |
| glotlf |
GLOTLF Liljencrants-Fant glottal model U=(D,T,P) |
| glotros |
GLOTROS Rosenberg glottal model U=(D,T,P) |
| gmmlpdf |
GMMPDF calculated the pdf of a mixture of gaussians p=(x,m,v,w) |
| histndim |
HISTNDIM - generates and/or plots an n-dimensional histogram |
| hostipinfo |
HOSTIPINFO get host name and internet connection information |
| huffman |
HUFFMAN calculates a D-ary huffman code [CC,LL]=(P,A) |
| imagehomog |
IMAGEHOMOG Apply a homography transformation to an image with bilinear interpolation |
| importsii |
IMPORTSII calculates the SII importance function per Hz or per Bark Q=(F,M) |
| irdct |
IRDCT Inverse discrete cosine transform of real data X=(Y,N) |
| irfft |
IRFFT Inverse fft of a conjugate symmetric spectrum X=(Y,N,D) |
| kmeanhar |
KMEANS Vector quantisation using K-harmonic means algorithm [X,G,XN,GG]=(D,K,L,E,X0) |
| kmeanlbg |
KMEANLBG Vector quantisation using the Linde-Buzo-Gray algorithm [X,ESQ,J]=(D,K) |
| lambda2rgb |
LAMBDA2XYZ Convert wavelength to XYZ or RGB colour space X=(L,M) |
| ldatrace |
LDATRACE Calculates an LDA transform to maximize trace discriminant [a,f,B,W]=(b,w,n,c) |
| lin2pcma |
LIN2PCMA Convert linear PCM to A-law P=(X,M,S) |
| lin2pcmu |
LIN2PCMU Convert linear to Mu-law PCM P=(X,S) |
| lognmpdf |
LOGNMPDF calculate pdf of a multivariate lognormal distribution P=(X,M,V) |
| logsum |
LOGSUM logsum(x,d,k)=log(sum(k.*exp(x),d)) |
| lpcaa2ao |
LPCAA2AO LPC: Convert area function to area ratios AO=(AA) |
| lpcaa2dl |
LPCAA2DL LPC: Convert area coefficients to dct of log area DL=(AA) |
| lpcaa2rf |
LPCAA2RF LPC: Convert vocal tract areas to reflection coefficients RF=(AA) |
| lpcao2rf |
LPCAO2RF LPC: Convert area ratios to reflection coefficients RF=(AO) |
| lpcar2am |
LPCAR2AM Convert ar coefs to ar coef matrix [AM,EM]=(AR,P) |
| lpcar2cc |
LPCAR2CC LPC: Convert AR filter to complex cepstrum [CC,C0]=(AR,NP) |
| lpcar2db |
LPCAR2DB LPC: Convert AR coefs to power spectrum in dB DB=(AR) |
| lpcar2ff |
LPCAR2FF LPC: Convert AR coefs to complex spectrum FF=(AR,NP) |
| lpcar2fm |
LPCAR2RF Convert autoregressive coefficients to formant freq+amp+bw [N,F,A,B]=(AR,T) |
| lpcar2im |
LPCAR2IM Convert AR coefs to impulse response IM=(AR,NP) |
| lpcar2ls |
LPCAR2LS convert ar polynomial to line spectrum pair frequencies LS=(AR) |
| lpcar2pf |
LPCAR2PF Convert AR coefs to power spectrum PF=(AR,NP) |
| lpcar2pp |
LPCAR2PP LPC: Convert ar filter to power spectrum polynomial in cos(w) PP=(AR) |
| lpcar2ra |
LPCAR2RA Convert ar filter to inverse filter autocorrelation coefs. RA=(AR) |
| lpcar2rf |
LPCAR2RF Convert autoregressive coefficients to reflection coefficients AR=(RF) |
| lpcar2rr |
LPCAR2RR Convert autoregressive coefficients to autocorrelation coefficients RR=(AR,P) |
| lpcar2zz |
LPCAR2ZZ Convert ar filter to z-plane poles ZZ=(AR) |
| lpcauto |
LPCAUTO performs autocorrelation LPC analysis [AR,E,K]=(S,P,T) |
| lpcbwexp |
LPCBWEXP expand formant bandwidths of LPC filter ARX=(AR,BW) |
| lpccc2ar |
LPCCC2AR Convert complex cepstrum to ar coefficients AR=(CC) |
| lpccc2cc |
LPCCC2PF Extrapolate complex cepstrum C=(CC) |
| lpccc2db |
LPCCC2DB Convert complex cepstrum to dB power spectrum DB=(CC,NP,NC) |
| lpccc2ff |
LPCCC2FF Convert complex cepstrum to complex spectrum FF=(CC,NP,NC) |
| lpccc2pf |
LPCCC2PF Convert complex cepstrum to power spectrum PF=(CC,NP,NC) |
| lpcconv |
LPCCONV(from,to,x,y)->s convert between LPC parameter sets |
| lpccovar |
LPCCOVAR performs covariance LPC analysis [AR,E,DC]=(S,P,T) |
| lpccw2zz |
LPCPZ2ZZ LPC: Power spectrum roots to LPC poles ZZ=(CW) |
| lpcdb2pf |
LPCDB2PF Convert decibel power spectrum to power spectrum PF=(DB) |
| lpcdl2aa |
LPCDL2AA dct of log area to area coefficients AA=(DL) |
| lpcff2pf |
LPCFF2PF Convert complex spectrum to power spectrum PF=(FF) |
| lpcfq2zz |
LPCFQ2ZZ Convert frequencies and q factors to z-plane poles ZZ=(F,Q) |
| lpcifilt |
LPCIFILT Apply inverse filter to speech signal U=(S,AR,T,DC,FADE) |
| lpcim2ar |
LPCIM2AR Convert impulse response to AR coefs AR=(IM) |
| lpcis2rf |
LPCRF2IS Convert inverse sines to reflection coefficients RF=(IS) |
| lpcla2rf |
LPCLA2RF Convert log areas to reflection coefficients RF=(LA) |
| lpclo2rf |
LPCLO2RF Convert log area ratios to reflection coefficients RF=(LO) |
| lpcls2ar |
LPCLS2AR convert line spectrum pair frequencies to ar polynomial AR=(LS) |
| lpcpf2cc |
LPCPF2CC Convert power spectrum to complex cepstrum CC=(PF,NP) |
| lpcpf2ff |
LPCPF2FF Convert power spectrum to complex spectrum [FF,FO]=(PF,NP,FI) |
| lpcpf2rr |
LPCPF2RR convert power spectrum to autocorrelation coefs RR=(PF,P) |
| lpcpp2cw |
LPCPP2PZ LPC: Convert power spectrum polynomial in cos(w) to power spectrum zeros CW=(RP) |
| lpcpp2pz |
LPCPP2PZ LPC: Convert power spectrum polynomial in cos(w) to power spectrum zeros PZ=(RP) |
| lpcpz2zz |
LPCPZ2ZZ LPC: Power spectrum roots to LPC poles ZZ=(PZ) |
| lpcra2pf |
LPCAR2PF Convert AR coefs to power spectrum PF=(RA,NP) |
| lpcra2pp |
LPCAR2PP LPC: Convert ar filter autocorrelation to power spectrum polynomial in cos(w) PP=(RA) |
| lpcrand |
generate n random stable polynomials of order p with a minimum pole |
| lpcrf2aa |
LPCRF2AA Convert reflection coefficients to area function AA=(RF) |
| lpcrf2ao |
LPCRF2AO Convert reflection coefficients to area ratios AO=(RF) |
| lpcrf2ar |
LPCRF2AR Convert reflection coefs to autoregressive coefs [AR,ARP,ARU,G]=(RF) |
| lpcrf2is |
LPCRF2IS Convert reflection coefficients to inverse sines IS=(RF) |
| lpcrf2la |
LPCRF2LA Convert reflection coefficients to log areas LA=(RF) |
| lpcrf2lo |
LPCRF2LO Convert reflection coefficients to log area ratios LO=(RF) |
| lpcrf2rr |
LPCRR2AR convert reflection coefs to autocorrelation coefs [RR,AR]=(RF,P) |
| lpcrr2am |
LPCRR2AM Convert autocorrelation coefs to ar coef matrix [AM,EM]=(RR) |
| lpcrr2ar |
LPCRR2AR convert autocorrelation coefs to ar coefs [AR,E]=(RR) |
| lpcss2zz |
LPCSS2ZZ Convert s-place poles to z-plane poles ZZ=(SS) |
| lpczz2ar |
LPCZZ2AR Convert z-place poles to ar coefficients AR=(ZZ) |
| lpczz2cc |
LPCZZ2CC Convert poles to "complex" cepstrum CC=(ZZ,NP) |
| lpczz2ss |
LPCZZ2SS Convert z-place poles to s-plane poles SS=(ZZ) |
| m2htmlpwd |
M2HTMLPWD - create html documentation of files in current directory |
| maxfilt |
MAXFILT find max of an exponentially weighted sliding window [Y,K,Y0]=(X,F,nn,D,X0) |
| maxgauss |
MAXGAUSS determine gaussian approximation to max of a gaussian vector [p,u,v,r]=(m,c,d) |
| meansqtf |
AVEPSPEC calculates the mean square transfer function for a filter D=(B,A) |
| mel2frq |
MEL2FRQ Convert Mel frequency scale to Hertz FRQ=(MEL) |
| melbankm |
MELBANKM determine matrix for a mel/erb/bark-spaced filterbank [X,MN,MX]=(P,N,FS,FL,FH,W) |
| melcepst |
MELCEPST Calculate the mel cepstrum of a signal C=(S,FS,W,NC,P,N,INC,FL,FH) |
| midi2frq |
MIDI2FRQ Convert musical note numbers to frequencies F=(N,S) |
| minspane |
MINSPANE calculate minimum spanning tree using euclidean distance [p,s]=X |
| mintrace |
MINTRACE find row permutation to minimize the trace p=(x) |
| modspect |
MODSPECT Calculate the modulation spectrum of a signal C=(S,FS,W,NC,P,N,INC,FL,FH) |
| momfilt |
MOMFILT calculates moments of a signal using a sliding window Y=(X,R,W,M) |
| mos2pesq |
MOS2PESQ convert MOS speech quality scores to PESQ p=(m) |
| nearnonz |
NEARNONZ replace each zero element with the nearest non-zero element [V,Y,W]=nearnonz(X,D) |
| overlapadd |
OVERLAPADD join overlapping frames together X=(F,WIN,INC) |
| pcma2lin |
PCMU2LIN Convert A-law PCM to linear X=(P,M,S) |
| pcmu2lin |
PCMU2LIN Convert Mu-law PCM to linear X=(P,S) |
| peak2dquad |
PEAK2DQUAD find quadratically-interpolated peak in a 2D array |
| permutes |
PERMUTES All N! permutations of 1:N + signatures [P,S]=(N) |
| pesq2mos |
PESQ2MOS convert PESQ speech quality scores to MOS m=(p) |
| phon2sone |
PHON2SONE convert PHON loudness values to SONEs s=(p) |
| polygonarea |
POLYGONAREA Calculate the area of a polygon |
| polygonwind |
POLYGONWIND Test if points are inside a polygon |
| polygonxline |
POLYGONXLINE Find where a line crosses a polygon [xc,ec,tc,xy0]=(p,l) |
| potsband |
POTSBAND Design filter for 300-3400 telephone bandwidth [B,A]=(FS) |
| pow2cep |
CEP2POW convert cepstral means and variances to the power domain |
| prob2berk |
PROB2BERK convert probability to Berksons |
| psycdigit |
PSYCDIGIT measures psychometric function using TIDIGITS stimuli |
| psycest |
Estimate multiple psychometric functions |
| psycestu |
psycestu estimate unimodal psychometric function |
| psychofunc |
Calculate psychometric functions: trial success probability versus SNR |
| qrabs |
QRABS absolute value and normalization of a real quaternions [m,q]=[q1] |
| qrdivide |
QRDIVIDE divdes two real quaternions q=[q1,q2] |
| qrdotdiv |
QRDOTDIV divides two real quaternions arrays elementwise q=[x,y] |
| qrdotmult |
QRDOTMULT multiplies together two real quaternions arrays q=[q1,q2] |
| qrmult |
QRMULT multiplies together two real quaternions matrices q=[q1,q2] |
| qrpermute |
QRPERMUTE transpose or permute a quaternion array y=[x,p] |
| quadpeak |
PEAK2DQUAD find quadratically-interpolated peak in a N-D array |
| randfilt |
RANDFILT Generate filtered gaussian noise without initial transient |
| randiscr |
RANDISCR Generate discrete random numbers with specified probabiities [X]=(P,N,A) |
| randvec |
RANDVEC Generate real or complex GMM/lognormal random vectors X=(N,M,C,W,MODE) |
| rdct |
RDCT Discrete cosine transform of real data Y=(X,N,A,B) |
| readaif |
READAIF Read a .AIF format sound file [Y,FS,WMODE,FIDX]=(FILENAME,MODE,NMAX,NSKIP) |
| readau |
READAU Read a SUN .AU format sound file [Y,FS,H]=(FILENAME) |
| readcnx |
READCNX Read a .CNX format sound file [Y,FS,H]=(FILENAME) |
| readflac |
READWAV Read a .FLAC format sound file [Y,FS]=(FILENAME,MODE) |
| readhtk |
READHTK read an HTK parameter file [D,FP,DT,TC,T]=(FILE) |
| readsfs |
READSFS Read a .SFS format sound file [Y,FS,HD,FFX]=(FF,TY,SUB,MODE,NMAX,NSKIP,XPATH) |
| readsph |
READSPH Read a SPHERE/TIMIT format sound file [Y,FS,WRD,PHN,FFX]=(FILENAME,MODE,NMAX,NSKIP) |
| readwav |
READWAV Read a .WAV format sound file [Y,FS,WMODE,FIDX]=(FILENAME,MODE,NMAX,NSKIP) |
| rectifyhomog |
RECTIFYHOMOG Apply rectifying homographies to an image set |
| rfft |
RFFT Calculate the DFT of real data Y=(X,N,D) |
| rhartley |
RHARTLEY Calculate the Hartley transform of real data Y=(X,N) |
| rnsubset |
RNSUBSET choose k distinct random integers from 1:n M=(K,N) |
| rotation |
ROTATION Encode and decode rotation matrices |
| rotax2qr |
ROTQR2AX converts a rotation axis and angle to the corresponding real quaternion |
| roteu2qr |
ROTEU2QR converts a sequence of Euler angles to a real unit quaternion |
| roteu2ro |
ROTEU2QR converts a sequence of Euler angles to a real unit quaternion |
| rotmc2qc |
ROTMC2QC converts a matrix of complex quaternion matrices to a matrix of complex quaternion vectors |
| rotmr2qr |
ROTMR2QR converts a matrix of real quaternion matrices to quaternion vectors |
| rotpl2ro |
ROTPL2RO find matrix to rotate in the plane containing u and v r=[u,v,t] |
| rotqc2mc |
ROTQC2MC converts a matrix of complex quaternion vectors to quaternion matrices |
| rotqc2qr |
ROTQC2QR converts a matrix of complex quaternion row vectors into real form |
| rotqr2ax |
ROTQR2AX converts a real quaternion to the corresponding rotation axis and angle |
| rotqr2eu |
ROTQR2EQ converts a real unit quaternion into the corresponding euler angles |
| rotqr2mr |
ROTQR2MR converts a matrix of real quaternion vectors to quaternion matrices |
| rotqr2qc |
ROTQR2QC converts a matrix of real quaternion vectors into complex form |
| rotqr2ro |
ROTQR2RO converts a real quaternion to a 3x3 rotation matrix |
| rotqrmean |
ROTQRMEAN calculates the mean rotation of a quaternion array [y,s]=[q] |
| rotqrvec |
ROTQRVEC applies a quaternion rotation ot a vector array y=[q,x] |
| rotro2eu |
ROTRO2EQ converts a 3x3 rotation matrix into the corresponding euler angles |
| rotro2pl |
ROTRO2PL find the plane and rotation angle of a rotation matrix [u,v,t]=r |
| rotro2qr |
ROTRO2QR converts a 3x3 rotation matrix to a real quaternion |
| rsfft |
RSFFT fft of a real symmetric spectrum X=(Y,N) |
| sapisynth |
SAPISYNTH text-to-speech synthesize of text string or matrix [X,FS,TXT]=(T,M) |
| schmitt |
Pass input signal X through a schmitt trigger |
| sigalign |
SIGALIGN align a clean reference with a noisy signal [d,g,rr,ss]=(s,r,maxd,m,fs) |
| skew3d |
SKEW3D Convert between a vector and the corresponding skew-symmetric matrix |
| snrseg |
SNRSEG Measure segmental and global SNR [SEG,GLO]=(S,R,FS,M,TF) |
| sone2phon |
PHON2SONE convert SONE loudness values to PHONs p=(s) |
| soundspeed |
SOUNDSPEED gives the speed of sound, density of air and acoustic impedance as a function of temp & pressure [V,D,Z]=(T,P,M,G) |
| specsub |
SPECSUB performs speech enhancement using spectral subtraction [SS,ZO]=(S,FSZ,P) |
| specsubm |
SPECSUBM obsolete speech enhancement algorithm - use specsub instead |
| spgrambw |
SPGRAMBW Draw spectrogram [T,F,B]=(s,fs,mode,bw,fmax,db,tinc,ann) |
| sphrharm |
SPHRHARM forward and inverse spherical harmonic transform |
| sprintsi |
SPRINTSI Print X with SI multiplier S=(X,D,W) |
| ssubmmse |
SSUBMMSE performs speech enhancement using mmse estimate of spectral amplitude or log amplitude [SS,ZO]=(S,FSZ,P) |
| ssubmmsev |
SSUBMMSE performs speech enhancement using mmse estimate of spectral amplitude or log amplitude [SS,ZO]=(S,FSZ,P) |
| stdspectrum |
STDSPECTRUM Generate standard acoustic/speech spectra in s- or z-domain [B,A,SI,SN]=(S,M,F,N,ZI,BS,AS) |
| stoi2prob |
STOI2PROB convert STOI to probability |
| teager |
TEAGER calculate teager energy waveform Y=(X,D,M) |
| texthvc |
TEXTHVC - write text on graph with specified alignment and colour |
| tilefigs |
TILEFIGS tile current figures |
| txalign |
TXALIGN Find the best alignment of two sets of time markers [KX,KY,N,M,S]=(X,Y,MAXT) |
| unixwhich |
UNIXWHICH Search system path for an executable program [F]=(C,E) |
| upolyhedron |
UPOLYHEDRON calculate uniform polyhedron characteristics |
| usasi |
USASI generates N samples of USASI noise at sample frequency FS X=(N,FS) |
| v_addnoise |
V_ADDNOISE Add noise at a chosen SNR [z,p,fso]=(s,fsx,snr,m,nb,fsa) |
| v_chimv |
V_CHIMV approximate mean and variance of non-central chi distribution [m,v]=(n,l,s) |
| v_colormap |
V_COLORMAP set and plot color map |
| v_findpeaks |
V_FINDPEAKS finds peaks with optional quadratic interpolation [K,V]=(X,M,W) |
| v_kmeans |
V_KMEANS Vector quantisation using K-means algorithm [X,ESQ,J]=(D,K,X0,L) |
| v_ppmvu |
V_PPMVU calculate PPM, VU or EBU level of an audio signal [V,FX,FX1]=(X,FSX,M) |
| v_resample |
V_RESAMPLE Resample and remove end transients [y,h]=(x,p,q,n,b) |
| v_sigma |
Singularity in EGG by Multiscale Analysis (SIGMA) Algorithm |
| v_windinfo |
WINDINFO window information and figures of merit X=(W,FS) |
| v_windows |
WINDOWS Generate a standard windowing function (TYPE,N,MODE,P) |
| vadsohn |
VADSOHN implements a voice activity detector [VS,ZO]=(S,FSZ,M,P) |
| voicebox |
VOICEBOX set global parameters for Voicebox functions Y=(FIELD,VAL) |
| vonmisespdf |
VONMISESPDF Von Mises probability distribution P=(x,m,k) |
| winenvar |
WINENVAR get windows environment variable [D]=(N) |
| writehtk |
WRITEHTK write data in HTK format []=(FILE,D,FP,TC) |
| writewav |
WRITEWAV Creates .WAV format sound files FIDX=(D,FS,FILENAME,MODE,NSKIP,MASK) |
| xticksi |
XTIXKSI labels the x-axis of a plot using SI multipliers S=(AH) |
| xyzticksi |
XYZTIXKSI labels an axis of a plot using SI multipliers S=(AX,AH) |
| yticksi |
YTIXKSI labels the y-axis of a plot using SI multipliers S=(AH) |
| zerocros |
ZEROCROS finds the zeros crossings in a signal [T,S]=(X,M)% find zero crossings in a signal |
| zerotrim |
ZEROTRIM Remove zero trailing rows and columns Z=(X) |
| zoomfft |
ZOOMFFT DFT evaluated over a linear frequency range Y=(X,N,M,S,D) |
标签：des style blog http ar io color os sp
原文地址：http://www.cnblogs.com/daleloogn/p/4168013.html
