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Discussion Groups | Audio Signal Processing
Technical discussions related to Audio Signal Processing (digital effects, acoustics, noise reduction, musical signal processing, etc).
Issue implementing Energy threshold algorithm for Voice Activity Detection [4 Articles]
kash...@gmail.com - Jun 3 2011
Hi all
I am trying to implement the energy threshold algorithm for voice activity detection and not getting meaningful values for energy for frames of size wL.
wL = 1784 // a... 
Asymmetric gaussian type function through signal filtering [3 Articles]
s068...@sms.ed.ac.uk - Jun 3 2011
Hi there, i'm trying to get an asymmetric gaussian type shape that i can parameterise, i thought perhaps signal filtering might be an efficient way to do it. Only problem is i don'... Guitar Chord Recognition [3 Articles]
bloodfire1004 - Jun 1 2011
Hi!
I would like to ask questions regarding some possible algorithms for Guitar Chord recognition.
Currently, what I have is that I am using 'Chroma Vectors', in which I use ... Detecting a short, specific waveform..... [6 Articles]
"Mark E. Skeels" - May 31 2011
All,
I am totally new to DSP's.
My question is, how would you go about detecting a certain type of short
waveform (couple of mSec) and rejecting others, such as a gun shot... Real FFT implementation [8 Articles]
fezi...@gmail.com - May 12 2011
Hi everyone,
I need assistance in computing FFT of real valued data. Googling, i found that sorensen has developed and implemented an algorithm. But i couldnt find the... Re:Constant Q Graphic Equalizers [2 Articles]
Jon Lark - Apr 28 2011
Try the article at http://www.rane.com/pdf/constanq.pdf
Regards,
Jon
... Phaser effect realization [7 Articles]
cris...@gmail.com - Apr 28 2011
Hi!
I'm developing a digital phaser effect based on several docs I found on the net and books.
One of the most detailed resources is:
http://www.onkartgromt.no/index.php/resou... Audio Equalizer Filter design [3 Articles]
olsene01 - Apr 26 2011
I have been attempting to design a 15 band audio equalizer using Simulink. My design right now is as follows (please let me know if there are any significant design flaws here):
... java fft problem [4 Articles]
ramboksg - Apr 18 2011
I am trying to implement some algorithm in java that is originally done in matlab. One of the parts is fast fourier transform. In matlab code it looks as following: FY = fft(X,4410... Need help for down sample and up sample of audio file [5 Articles]
moonnightingale - Mar 28 2011
I am having a wave file. I have to implement this operation on it. Since picture cannot be attached i am writing the steps
input speech signal-----> [ Low pass filter of 4 KHz-...