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Recent content by Shweta_S

  1. S

    MFCC's in LabVIEW - How to do it?

    I did one year back. Yes I was successful. I would have to check my block diagram again to remember what I did. I'll try to get the file and see what I did. Is it urgent? ;-)... I don't have access to LabVIEW right now. I'll try to post it this weekend :grin:
  2. S

    MFCC's in LabVIEW - How to do it?

    I actually did MFCC implementation in LabVIEW... I don't know if I have file now... :|
  3. S

    [SOLVED] Simple doubt in MATLAB- Matrix elements

    Yep thank you... I got it!!!:smile:
  4. S

    [SOLVED] Simple doubt in MATLAB- Matrix elements

    Simple doubt in MATLAB- Product of two matrix elements I read an image (gray scale) using imread function of MATLAB ( 'camerman.tif'). I got a matrix ( say F) of size 256x256. I have another matrix, say A=[-1 0 . . . . . . . . . . . . .. . . . . . . . 0 1] ... (2x2 matrix) In my...
  5. S

    For all those who are working on MFCC, Please help me out with this question...

    I am working on speech recognition... Using MFCC as coefficients as speech features... I generated a filter bank of overlapping triangular filters in frequency domain. Since it is in frequency domain, I multiplied the power spectrum of the signal with each filter. Now what do I do? Should...
  6. S

    Basic series RLC circuit question

    I get that at a frequency less than a resonance frequency, the impedance would be capacitive. But isn't 995kHz too close to 1000kHz that impedance might be resistive??
  7. S

    Basic series RLC circuit question

    Hey guys! Help me out with this one :-D :-D... A series RLC circuit resonates at 1000kHz. At a frequency of 995kHz the circuit impedance is: a) Resistive b) Minimum c) Inductive d) Capacitive
  8. S

    Filter bank coefficients

    How to compute the filter bank coefficients? I have a filter bank with a series of bandpass filters. I want to compute the filter bank coefficients. How to do that? In one resource, it was given as sum of the bandpass signal. What does that mean? I compute the sum of each sample in the...
  9. S

    DSP problem- FIR filter design

    I need to design a linear phase Bandpass FIR filter. I have the lower and the higher cut off frequencies of the filter. How to do it?
  10. S

    [SOLVED] Conversion to sound pressure level

    Oh! I have a Lenovo Headphone P950 https://support.lenovo.com/en_US/product-and-parts/detail.page?&LegacyDocID=MIGR-76677
  11. S

    [SOLVED] Conversion to sound pressure level

    Ok so i got to divide my voltage signal by 2.8m to get the Pascal value. Is the relation linear?? Why is it mentioned as @1kHz? Does it vary depending on the frequency
  12. S

    [SOLVED] Conversion to sound pressure level

    I went through the microphone data and this is what was mentioned: Sensitivity: -51±5dB @ 1kHz 0dB=1V/Pa How do I proceed with this data??
  13. S

    [SOLVED] Conversion to sound pressure level

    I recorded a speech signal using a microphone. How should I convert this voltage output to sound pressure levels?? Is there a direct relation between the microphone output to the sound pressure levels??
  14. S

    Dynamic time warping in speech recognition

    Is it a must that we must use dynamic time warping in a speech recognition system?
  15. S

    LPC spectrum from the LPC coefficients

    I got the LPC coefficients by the Levinson Durbin equation. The LPC spectrum is supposed to be the smoothed version of the power spectrum of the orignal speech signal. How am I supposed to get the LPC spectrum from the coefficients? I'm not asking for the built in functions of Matlab. I'm...

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