代码搜索：FOUNDATION
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www.eeworm.com/read/215197/15070898
m frq2erb.m
function erb = frq2erb(frq)
%FRQ2ERB Convert Hertz to ERB frequency scale ERB=(FRQ)
% erb = frq2erb(frq) converts a vector of frequencies (in Hz)
% to the corresponding values on the ERB-rate scal
www.eeworm.com/read/215197/15070933
m rsfft.m
function x=srfft(y,n)
%SRFFT fft of a real symmetric spectrum X=(Y,N)
% The invere fft is the same function but divided by N
% Y contains FIX(1+N/2) complex samples from the spectrum: if argumen
www.eeworm.com/read/214970/15081453
m permutes.m
function [p,s]=permutes(n)
%PERMUTES All N! permutations of 1:N + signatures [P,S]=(N)
% The output P is a matrix of size (N!,N) where each row
% contains a permutation of the numbers 1:N. The rows
www.eeworm.com/read/214970/15081471
m irdct.m
function x=irdct(y,n)
%IRDCT Inverse discrete cosine transform of real data X=(Y,N)
% Data is truncated/padded to length N.
%
% This routine is equivalent to multiplying by the matrix
%
%
www.eeworm.com/read/214970/15081477
m lpcbwexp.m
function arx=lpcbwexp(ar,bw)
%LPCBWEXP expand formant bandwidths of LPC filter ARX=(AR,BW)
%minimum bandwidth will be BW*fs where fs is the sampling frequency
%the radius of each pole will be multi
www.eeworm.com/read/214970/15081490
m erb2frq.m
function frq = erb2frq(erb)
%ERB2FRQ Convert ERB frequency scale to Hertz FRQ=(ERB)
% frq = erb2frq(erb) converts a vector of ERB-rate values
% to the corresponding frequencies in Hz.
%
%
www.eeworm.com/read/214970/15081495
m frq2midi.m
function [n,t]=frq2midi(f)
%FRQ2MIDI Convert frequencies to musical note numbers [N,T]=(F)
% notes are numbered in semitones with middle C being 60
% Note 69 (the A above middle C) has a frequency
www.eeworm.com/read/214970/15081506
m lpcar2pp.m
function pp=lpcar2pp(ar)
%LPCAR2PP LPC: Convert ar filter to power spectrum polynomial in cos(w) PP=(AR)
% the pp is a polynomial such that |polyval(ar,e^jw)|^2 = polyval(pp,cos(w))
% Copyri
www.eeworm.com/read/214970/15081549
m lpcrf2aa.m
function aa=lpcrf2aa(rf)
%LPCRF2AA Convert reflection coefficients to area function AA=(RF)
%The areas are normalised so that aa(p+2)=1: the effective area of the free air beyond the lips.
% aa(1)
www.eeworm.com/read/214970/15081567
m pcmu2lin.m
function x=pcmu2lin(p,s)
%PCMU2LIN Convert Mu-law PCM to linear X=(P,S)
% lin = pcmu2lin(pcmu) where pcmu contains a vector
% of mu-law values in the range 0 to 255.
% No checking is performed to