Anke Kügler

Last seen: 1 year ago | Active since 2015

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Shifting audio signal into different frequency band (shiftPitch)
I have a section of a very long audio signal (from a .FLAC file) that I read in with audioread(). Because my signal of interest ...

3 years ago | 0 answers | 0

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answers

Question

Unsupervised Learning to cluster acoustic signals/spectrograms
Hello, I'm not new to Matlab but completely new to Machine Learning, and while I understand the theory behind ML, I have never ...

3 years ago | 1 answer | 0

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answer

Answered
Save serial datenum as decimal, not scientific notation
Ok, dlmwrite instead of csvwrite seemed to fix it. So here's what I'm using instead, now: [file,path] = uigetfile('*.csv'); fn...

6 years ago | 0

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Question

Save serial datenum as decimal, not scientific notation
Hello, I'm reading in a csv file containing timestamps as serial numbers. After some computation, I need to save the array back...

6 years ago | 2 answers | 0

2

answers

Question

When writing array data to Excel/CSV file each character in new column
Hi, I'm trying to write a script that runs through a folder of files and pulls out all the names that are then written to Exc...

9 years ago | 1 answer | 0

1

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Question

fprintf and line break
Hi, I'm trying to write an array into a text file using fprintf. It's working fine on my Mac Matlab Version 2015b. However, o...

9 years ago | 2 answers | 0

2

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Answered
Writing string into array
This is the code that works, producing a cell-array for k = 2 : numel(subfolder) wavefi...

10 years ago | 0

Question

Writing string into array
Hi, I'm trying to write strings into an array, but for some reason it's not working as expected (and has been working perfect...

10 years ago | 2 answers | 0

2

answers

Question

Audiowrite and additional header info
Hi, I'm breaking up larger wave files into smaller chunks using audioread and audiowrite. However, my original data has addit...

10 years ago | 0 answers | 1

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answers

Question

fread - each character in new line
Hi, I'm trying to read some information from the header of a wave file (fullname is the file with absolute path) using ...

10 years ago | 1 answer | 0

1

answer

Question

Audioinfo - 'undefined function for type char' error
Hi, I try to get the info from a wave file using the function 'audioinfo'. However, no matter what I do, I keep getting that ...

10 years ago | 1 answer | 0

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answer

Question

Javaaddpath to files not in Java folder
Hi, I need to add several java files (POI library) in order for my code to work. If I do javaaddpath('poi_library/poi-3....

10 years ago | 1 answer | 0

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Answered
fopen only returns -1
Thank you! I was kinda suspecting something like this, but didn't know how to fix it. Your code works.

10 years ago | 0

Question

fopen only returns -1
Hi, I'm trying to read some files (wave-files, but I also tried text) with fopen, but it always returns -1, ie. there is an e...

10 years ago | 2 answers | 0

2

answers

Question

XLSWRITE alternative XLWRITE on a Mac
Hi, I'm running a custom program in Matlab that required xlswrite. However, since I'm working on a Mac, xlswrite is not avail...

10 years ago | 2 answers | 0

2

answers

Question

Plotyy and line and axis color, legend
Hi, I'm creating a plot with two lines on the y-axis and one on the secondary y-axis. I'm trying to change colors, but can't ...

10 years ago | 1 answer | 0

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Answered
"Subscript indices must either be real positive integers or logicals"
Haha, that is indeed stupid and quite embarrassing. I totally forgot about the two n's. Thank you, that did solve my problem!

10 years ago | 0

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"Subscript indices must either be real positive integers or logicals"
Hi, I'm not sure if this is the right title, but I ran into a problem with my current code. speed=[1511 1505.7 1490.2 1...

10 years ago | 2 answers | 0

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Answered
Integral: "Warning: Minimum step size reached"
Well, it is giving me results, but I don't know how to read them: r=1.4201e+04 - 1.5011e+04i t=9.5693 -10.0014i what ...

10 years ago | 0

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Integral: "Warning: Minimum step size reached"
Hi, I'm trying to calculate an Integral the following: xmin=c0/b; xmax=zn+c0/b; tw=@(w)(1./(b.*w.*sqrt(1-power...

10 years ago | 3 answers | 0

3

answers

Question

Integral -> "First input argument must be a function handle"
Dear all, I'm completly new to MATLAB and am learning as I'm going. I need it for class and homework. No I have the following...

10 years ago | 1 answer | 0

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