vapooroop's articles:

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extract single channel from multichannel wav 0 21 (10/1/2008 12:00:41 PM) comp.soft-sys.matlab i've got a set of large (about 800 MB) multichannel wav-files which causes some kind of known memory problems if I try to wavread complete files. There's no problem to load time slices of all channels wich w... Lothar

maximum/minimum detektion in signal 4 19 (6/7/2008 3:58:00 PM) comp.soft-sys.matlab i try to find maxima and minima in my data doing this: % index to possible maxima and minima index=2:numel(data)-1; % maximum ist greater than its neighbours max_index=1+find(data(index)>data(index-1) & data(i... Lothar

reading .dat-files from pspice 0 26 (3/21/2006 9:44:52 AM) comp.soft-sys.matlab hi, is there a way to import dat-files generated by pspice? I've made some simulations of 'similar'circuits which i'd like to compare using matlab. Unfortunately i can't find information about the format and... Lothar

plot command deletes axes tag 5 31 (1/19/2006 1:43:03 PM) comp.soft-sys.matlab before plotting the axes tag is properly displayed after plotting the tag ist empty! simple code: figure axes('tag','text') get(gca,'tag') plot(1:10) get(gca,'tag') Why this? is it a bug or a feature? What s... Lothar

how to generate jpg with defined pixel-size 0 35 (8/15/2005 1:08:55 PM) comp.soft-sys.matlab Hi, i try to produce jpgs of figures - i seem to be too stupid to find the right way to do it... no problem to print -djpeg but the image files have the wrong pixelsize and aspect ratio. By defining the pap... Lothar

large data in struct 0 26 (6/28/2004 8:54:11 PM) comp.soft-sys.matlab Hi there, i just try to load a lot of data from textfiles into a struct. The textfiles contain data which i have to sort and analyze. what i do: - read files - after having read the first line i do repmat(str... Lothar

sprintf(struct.element) 2 41 (6/6/2004 7:46:02 PM) comp.soft-sys.matlab Hi, I've got a structure e.g. test(1:3).value(1:3) seems not to make too much sense (a simple matrix would do this small job) because the other structure elements are not shown... the values could be: ... Lothar

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wavread multiple sound signals 2 36 (1/25/2012 9:10:11 PM) comp.soft-sys.matlab Hello Guys , I want to input sound files to the Matlab so I use 'wavread' of course , but I need to input a lot of files , so Is there a way to instead of reading a single file at a time to wavread a whole fol... abaza_kamal (3)

How to plot the frequency of wav file only upto 7 Kilo Hertz 2 22 (2/1/2012 6:35:10 PM) comp.soft-sys.matlab Hi i am new to working with sound files in Matlab. I want to plot the frequency of wav file . so that frequency plot is upto 7KHZ only . e.g if wav file has frequency plot upto 15000Hz than i want to plot it ... engr.munaza (7)

I can't read large wave file up to 1gb in matlab.. 2 29 (2/12/2012 9:43:10 AM) comp.soft-sys.matlab Anyone have a solution to read large size of 1gb wave file. i got error out of memory...please reply soon ... mpp_1515 (3)

Pick a value at a decided moment 3 32 (6/28/2012 7:53:07 AM) comp.soft-sys.matlab Hello ! I am facing a problem. I have a signal which is a sin wave but which doesn't go to negative values (it is flat at 0 when it should go negative). I have to detect the moment when it reaches 0 (easy) a... mathieu.horsky (76)

Signal!! 12 35 (7/20/2012 10:44:18 AM) comp.soft-sys.matlab Hi, I want to build a signal which has the following format ; Using repeating sequence block [1 0 0 -1 0 0].' sample time = 1/6 see the scope output , How about in Matlab instead of simulink wher... krissi_krish (15)

finding the same values for a column and taking the average of corresponding values 2 30 (8/21/2012 8:13:08 AM) comp.soft-sys.matlab I have an array like 1 4 1 2 1 6 2 8 2 7 2 9 it want the output to be 1 4 2 8 that means when the contents of first column is same the it w... monti.tata2012 (34)

Pairing two different values on one plot 19 0 (4/15/2013 6:09:16 AM) comp.soft-sys.matlab Hi If I have two sets of data say Timestamp= 201203291200000 201203291215000 201203291230000 201203291245000 201203291300000 201203291315000 201203291330000 2012032913450... PK5080 (8)

data rearraaanging in a dat file 2 0 (5/8/2013 5:00:09 AM) comp.soft-sys.matlab Hi I have a .dat file having certain rows and column. Like we can say, i have 10 column numbered from 1 to 10 and 20 rows. What I need to do to rearrange columns, say I want to arrange my column as 4 5 1 2... 119ankush (16)

str2num problem 1 55 (12/3/2011 6:07:53 PM) comp.soft-sys.matlab Hi all, I have a problem with using combo box in MATLAB. My purpose is to enter a number in combo box and use that number as a number in my code. but as we know 'inputdlg' returns a string. I used 'str2num' b... b.mirshafiee90 (35)

Signal Inteshity Calculation 3 30 (11/11/2011 3:28:30 PM) comp.soft-sys.matlab Hoe To calculate Signal intenstiy in Matlab , i have go through many things . please help me how calculate it thanks :) ... umair.shriaz (3)