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...

nästan 14 år 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...

nästan 14 år 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...

nästan 14 år 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...

nästan 14 år 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;

nästan 14 år ago | 0

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

nästan 14 år 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...

nästan 14 år 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...

nästan 14 år 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

nästan 14 år 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

nästan 14 år 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...

nästan 14 år 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

nästan 14 år 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

nästan 14 år 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(...

nästan 14 år 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...

nästan 14 år 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...

nästan 14 år 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...

nästan 14 år ago | 4 answers | 0

4

answers

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

nästan 14 år 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 ...

nästan 14 år ago | 2 answers | 0

2

answers

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 ...

nästan 14 år 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...

nästan 14 år ago | 3 answers | 0

3

answers

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

nästan 14 år 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...

nästan 14 år 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...

nästan 14 år 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...

nästan 14 år ago | 1 answer | 0

1

answer

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

ungefär 14 år 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...

ungefär 14 år 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...

ungefär 14 år ago | 0 answers | 0

0

answers

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...

ungefär 14 år ago | 2 answers | 0

2

answers

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...

ungefär 14 år ago | 0