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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).
Frequency response [2 Articles]
rendoddi - Nov 28 2007
Hi,
I have a problem on frequency response.
Suppose you have H(z)=B(z)/A(z), the transfer function of a digital
filter.
How do you calculate the ANALYTIC expression of the fi... 
Filter to remove noise from a corrupted song [3 Articles]
Farah Rasheed - Nov 18 2007
Hi everyone,
I have a question about filtering a noise signal in MATLAB. I have a
corrupted sound file and I loaded it in MATLAB and plotted the FFT of
the signal. From the FF... AAC psychoacoustic model
#ARIJIT BISWAS# - Nov 7 2007
Hi all!
Does anyone know how to translate the AAC psychoacoustic model scale-factor=
information to the masking curve?
http://en.wikipedia.org/wiki/Masking_threshold
In la... Re: finding fundamental frequency(pitch) [2 Articles]
"Kase J. Saylor" - Nov 6 2007
Here's an article that may help. I admit that I only briefly looked at
it, but the main emphasis of this thesis is "...dedicated to multiple
fundamental frequency (F0) estimati... Covariance method for pitch detection
ayal...@gmail.com - Nov 5 2007
Hello
Can anyone give me an explanation how the covariance method for pitch detection in time domain works?
Thanks
SAAP
... [general] arm fft doubt
Abhishek Ballaney - Oct 29 2007
dear all,
we need to use fft algo. for arm9e processor. we got it from:
http://www.lartmaker.nl/projects/fft-arm/
but we aren't able to build it in windows (codewarrior), a... Biquad filtering with Fs/Fo > 200 [4 Articles]
dgen...@engmail.uwaterloo.ca - Oct 29 2007
I'm designing a parametric equalizer using a spartan 3e starter board and a TI PCM codec I wired to it, running at 48kHz. I decided to use the biquad IIR filter core from opencore... how to do Filter banking ??
engr...@gmail.com - Oct 23 2007
Hi all,
I have 256 bit long input data.I want to divide this data in mutibands of 16 using filter bank.
Can any body tell me how can i do analysis filter bank implementation an... Filter Design, group delay for audio processing [2 Articles]
Gokhan - Oct 22 2007
Hello,
I am looking for a way to obtain the lowest group delay.
The specifications are;
Lowpass filter
fpass=1kHz with 3dB Ripple
fstop=4kHz
Attenuation 60dB (between 4k... SNR estimation with colored noise!!!!
engr...@gmail.com - Oct 12 2007
Hi all,
I recenly join this group and i hope this will be a good plateform for me to share my ideas with others.
I am doing SNR estimation with color noise for OFDM systems.i am ...