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...

meer dan 13 jaar ago | 3 answers | 0

3

answers

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...

meer dan 13 jaar ago | 1 answer | 0

1

answer

Answered
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...

meer dan 13 jaar ago | 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...

meer dan 13 jaar ago | 3 answers | 0

3

answers

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

meer dan 13 jaar ago | 0

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

meer dan 13 jaar ago | 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...

meer dan 13 jaar ago | 3 answers | 0

3

answers

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...

meer dan 13 jaar ago | 1 answer | 0

1

answer

Answered
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

meer dan 13 jaar ago | 0

Answered
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

meer dan 13 jaar ago | 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...

meer dan 13 jaar ago | 3 answers | 0

3

answers

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

meer dan 13 jaar ago | 5 answers | 0

5

answers

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

meer dan 13 jaar ago | 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(...

meer dan 13 jaar ago | 3 answers | 0

3

answers

Answered
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...

meer dan 13 jaar ago | 0

Answered
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...

meer dan 13 jaar ago | 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...

meer dan 13 jaar ago | 4 answers | 0

4

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

meer dan 13 jaar ago | 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 ...

meer dan 13 jaar ago | 2 answers | 0

2

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Answered
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 ...

meer dan 13 jaar ago | 0

| accepted

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...

meer dan 13 jaar ago | 3 answers | 0

3

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

meer dan 13 jaar ago | 0

Answered
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...

meer dan 13 jaar ago | 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...

meer dan 13 jaar ago | 3 answers | 0

3

answers

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...

meer dan 13 jaar ago | 1 answer | 0

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Answered
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

meer dan 13 jaar ago | 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...

meer dan 13 jaar ago | 1 answer | 0

1

answer

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...

meer dan 13 jaar ago | 0 answers | 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...

meer dan 13 jaar ago | 2 answers | 0

2

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Answered
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...

meer dan 13 jaar ago | 0