# João

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Active since 2019

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Question

Mex .c does not find the SDK on Mac.
Hello, I'm using rMATLAB2016b and I have Xcode installed. I think thee problem is the fact that somehow MATLAB does not foind ...

5 years ago | 0 answers | 0

### 0

Resample and convert into PCM
I get it: % convert to PCM 16 bit precision = 'int16'; fidr = fopen([a_filename(1:11), '_22050','.wav'], 'r'); % open ...

5 years ago | 0

| accepted

Question

How to enable automatic variable highlighting in C code (MEX) inside MATLAB?
Hello, I'm using MEX .c inside MATLAB. I'd like to know if it is possible to highlighting the variables in C code (like MATLA...

5 years ago | 0 answers | 0

### 0

Question

Resample and convert into PCM
Hello, First of all I'm using rMATLAB2018. I'm trying to resample an audio file with sampling rate 44100 Hz to 22050 Hz and t...

5 years ago | 1 answer | 0

### 1

help in plotting variable from loop
Try this: figure(1) for i = 1:1:10 m = (M*V*p1)/(R*T); m1 = (M*v*p1)/(R*T); p1 = (R*T*(m-m1))/(V*M); disp(['p1 = ' ,num2st...

5 years ago | 0

| accepted

How to cut out specific segment from findpeaks function?
Try this, [pks,locs] = findpeaks(PeakSig,x,'Annotate','extents','WidthReference','halfheight') The variable locs have the inde...

5 years ago | 0

Plot spectrogram from time by frequency matrix
Try this, [s, f, t] = spectrogram(x, w ,noverlap, nfft, Fs); % x is the signal; %w is the window; % noverlap is the windowin...

5 years ago | 0

| accepted

Question

Number of push button change
I have an audio that I've split into 2 segments. I'd like to plot the audio file and add 2 push buttons in the figure, in order ...

5 years ago | 2 answers | 0