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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).
rough spectrum monitoring- faster than FFTW [3 Articles]
stud...@inbox.lv - Jan 8 2008
Hello,
is there any way to get near-realtime audio spectrum info faster than FFT ?
For example- VST graphic 7 band EQ,with level meters for each band..
... 
c++ - ho to filter out frequency and all its harmonics? [2 Articles]
stud...@inbox.lv - Jan 8 2008
I have tried to use biquad filters but it eats a lot of cpu.
The filter bands should be very narrow with +/-5hz precision.
any help?
and also, can anybody post some ideas for ... Harmonic Product Spectrum
cyberaishu - Dec 23 2007
Hi
Can someone elaborate on what Harmonic Product Spectrum is all about.
How is it used to find the fundamental frequency of a music signal?
Im a newbie.
Thanks
Aishwarya
... Inner Matrix [4 Articles]
happey_15 - Dec 13 2007
Hi All,
I would like to to know to go about rectifying the problem of "Inner
matrix dimensions must agree."
The problem occur when I try to multiply a real time sound sign... Re: High pass and low pass FIR filter
Jaime Andres Aranguren Cardona - Dec 12 2007
Hello,
Also, the values of b0 and b1 (or -b1, for the HPF) depend on the frequency=
response that you need to achieve. On a Signals & Systems' book you will f=
ind out method... GUITAR TUNER
froz...@yahoo.co.in - Dec 12 2007
hello frnds
i m trying for the guitar tuner project !! and m completely stuckedd !!!:((
i dont know how to begin..just stucked up..
i hav checked those data acquisition tutori... Re: High pass and low pass FIR filter
Christopher Moore - Dec 11 2007
Chris Moore wrote:
Please see my article AN-11. It gives a simplified method (Impulse
Invariance) of designing with first order filters:
> http://www.sevenwoodsaudio.com/A... Testing FIR filter [2 Articles]
smartie_625 - Dec 11 2007
Hi,
I am doing a low-pass and high-pass 7-tap moving average filter filter
on Xilinx Virtex II Pro FPGA.
I am recording a sound, storing it in DDR RAM and filtering it and
... Need BSAC Audio decoder source code
Kumar Sarvesh - Dec 7 2007
Hi All,
Can you please help me to find out bug free BSAC source code avilable?
I have download sorce code from ISO site but unable to decode any stream.
Thanks in Advance
W... C code for psycho acoustic model in mp3 encoder
tulasi syam - Dec 6 2007
hi all,
i am working on mp3 encoder. im doing project on implementation of FFT and psychoacoustic models for mp3 encoder in C language. i want help regarding finding the c...