Question

Strange Problem when i write same code in function
This is my original code for Bisection Methods of Numerical Analysis % A program in matlab % bisection method to find the...

plus de 12 ans il y a | 3 réponses | 0

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Question

Use of FFT instead of Bank of Bandpass filters for DTMF Tone detection in Matlab
I want to request some one to comment on feasibility of an alternative implementation for DTMF tone detection by using FFT rathe...

plus de 12 ans il y a | 1 réponse | 0

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What filter command is actually doing
Thanks a lot King I sent u one more question in ur email which i think u have not received. This question is not related to mat...

plus de 12 ans il y a | 0

Question

What filter command is actually doing
When i use filter command y=filter(filnum, filden, x); it filters the data in vector x with the filter described by vect...

plus de 12 ans il y a | 3 réponses | 0

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how to make mat file of a wave file
I consulted the book and got answer y=wavread('alpha.wav'); save alpha.mat y;

plus de 12 ans il y a | 0

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how to make mat file of a wave file
with save('alpha.mat', y) i am getting error Bye

plus de 12 ans il y a | 0

Question

how to make mat file of a wave file
I am havig a wave file. I want to store the contents of wave file into mat file i am doing y=wavread('alpha.wav') now y is...

plus de 12 ans il y a | 3 réponses | 0

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Question

Need guide line for BPF outputs
I am doing a matlab question of the book in which sig.mat file is given. the first part says 1. Write matlab code that Loads...

plus de 12 ans il y a | 1 réponse | 0

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How to see freq response of a wave file
Can anyone help me I am having wave file I want to see its freq response How can i see that

plus de 12 ans il y a | 0

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Does freqz give the Fourier Transform ??
Is there any difference in Freq Response and Fourier Transform As per my understanding, they are both same things

plus de 12 ans il y a | 0

Question

Does freqz give the Fourier Transform ??
Hi i am having this code h770=[]; L=50; fs=8000; fb=770; h770 = (2/L)*cos(2*pi*fb*(0:L-1)/fs); fs=8000; w...

plus de 12 ans il y a | 3 réponses | 0

3

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Question

How to see freq response of a wave file
Hi i am having a wave file I want to see its frequency response. How can i see that

plus de 12 ans il y a | 5 réponses | 0

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how to do wavwrite on this mat file
ok thanks can u kindly eexplain abt x.(f{1}) why 1 is there

plus de 12 ans il y a | 0

Question

how to do wavwrite on this mat file
Hi i am having mat file which is having DTMF tones i am listening tones by this x = load('dtmfsig.mat') f = fieldnames(...

plus de 12 ans il y a | 3 réponses | 0

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I am getting error when i try to listen mat file
I am doing as per ur instructions now i did this but did not listen any sound x = struct('data','dtmfsig.mat'); sounds...

plus de 12 ans il y a | 0

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I am getting error when i try to listen mat file
I am having a mat file and i want to listen it now i am using this and still getting error x=load('sig.mat'); soundsc...

plus de 12 ans il y a | 0

Question

I am getting error when i try to listen mat file
Hi i am having mat file its name is sig.mat it is having dtmf tones in it i m using x=load('sig.mat'); soundsc(x,8000) an...

plus de 12 ans il y a | 4 réponses | 0

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query regarding n in the equation
King i am really grateful to u for ur precise and to the point answers

plus de 12 ans il y a | 0

Question

query regarding n in the equation
I have implemented this equation in matlab In equation h[n] = (2/L) cos ( 2 π fb n / fs ), 0≤ n < L where L is filter ...

plus de 12 ans il y a | 2 réponses | 0

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Kindly explain me abt this command
Yes you are exactly right. This portion is related to detection for presence of specific tone. Thanks for u reply I just want ...

plus de 12 ans il y a | 0

| A accepté

Question

Kindly explain me abt this command
Can anybody explain me this command ss = (mean(conv(tones(:,1),hh).^2) > mean(tones(:,1).^2)/5); This command the book i...

plus de 12 ans il y a | 3 réponses | 0

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Getting error inMatlab 2008 but code is fine in Matlab 2011
Thanks a lot for quick solution it is resolved

plus de 12 ans il y a | 0

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Getting error inMatlab 2008 but code is fine in Matlab 2011
Ok this code i got from net i have pasted it. Can u kindly tell me what should i write instead of ~. Thanks a lot if nar...

plus de 12 ans il y a | 0

Question

Getting error inMatlab 2008 but code is fine in Matlab 2011
Hi i have written a code which is working fine with me in Matlab 2011 when i send same code tomy frd who is using Matlab 200...

plus de 12 ans il y a | 3 réponses | 0

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Question

Need help for Cordic Function implementation
I need to fill in the blanks \????" in the provided code to implement the CORDIC function for division. I have to Choose approp...

plus de 12 ans il y a | 1 réponse | 0

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Why i am gettiing warning
hi king I am writing as per ur advice but i am still getting error dtmf = dtmf./max(abs(dtmf)); any other option for it

plus de 12 ans il y a | 0

Question

How can i cross check convolution in matlab
My x(n)=delta(n) -delta(n-1)-delta(n-2) my h(n)= delta(n)+2delta(n-1)+3delta(n-2)-delta(n-4) i have convolved them by han...

plus de 12 ans il y a | 1 réponse | 0

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Question

how to take the freq response of function
my h1(n) = delta(n) -delta(n-1) and h2(n) = u[n]-u[n-5] what is freq response of h2(n) How can we calculate the impulse r...

plus de 12 ans il y a | 1 réponse | 0

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Question

what is function of [ ] in this code
Here is the code h1336=[]; L=50; fs=8000; fb=1336; h1336 = (2/L)*cos(2*pi*fb*(0:L-1)/fs); [H,F] = freqz(h1336,1,[],f...

presque 13 ans il y a | 2 réponses | 0

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Need help for GUI of DTMF
What i actaully want that when i press any key, it is stored somewhere and when i press the button dial, then the key start to g...

presque 13 ans il y a | 0