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Anke Kügler


University of Hawaii Manoa

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 ...

1 year 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 ...

1 year ago | 1 answer | 0

1

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...

5 years ago | 0

| accepted

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...

5 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...

8 years ago | 1 answer | 0

1

answer

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...

8 years ago | 2 answers | 0

2

answers

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

8 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...

8 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...

8 years ago | 0 answers | 1

0

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 ...

8 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 ...

8 years ago | 1 answer | 0

1

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....

8 years ago | 1 answer | 0

1

answer

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.

8 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...

8 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...

9 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 ...

9 years ago | 1 answer | 0

1

answer

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!

9 years ago | 0

Question


"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...

9 years ago | 2 answers | 0

2

answers

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 ...

9 years ago | 0

Question


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...

9 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...

9 years ago | 1 answer | 0

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answer