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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).
Envelope detector C code
eyal...@bezeqint.net - Jun 18 2008
Hi
I would like to implement in C an envelope detector filter.
The input is a WORD (16 bit) array representing the voice echo signal of a transducer transmitting in 50 KHz (what ... 
Signal to noise ratio
zahniang za - Jun 15 2008
hello,
I just wanted to know how to find the signal to noise ratio of this sine wave. I have addaded some noise to my signal and also shifted them. Here is my sample code.
... Audio Quality Measurement or Comparison [2 Articles]
vish...@gmail.com - Jun 14 2008
I m working on an assignment where in I have to split an audio channel into multiple sub bands using QMF filters. I wanted to know how can I compare the quality of the input audio ... Re: distortion during wav file processing
krav...@gmail.com - Jun 13 2008
Hey you could use CDD2WAV(open source) which can rip cd tracks to wav files
regards,
kontanoor
> I am trying to play wav files from my computer and minimize
> distortion.... Problem in decoding g729 audio samples [2 Articles]
krav...@gmail.com - Jun 13 2008
My aim is to dump the G.729 encoded audio samples packetized in RTP payload and then convert the G.729 encoded samples to MP3 format.
What i'm doing:
1. I got the G.729 encod... vocal detection and removal [2 Articles]
klic...@hotmail.com - Jun 13 2008
Hi everybody,
I'm a student who is working in a school project; honestly I don't have to much experience with DSP or filters. First I want to detect the fundamental frequency o... spread spectrum audio steganography
adel_soli - Jun 6 2008
Hi all,
hope all be fine.
first I'm very newbie in DSP so sorry if my questions are stupid :D
I'm working on a project to hide data in an audio file using direct
sequence spr... Audio DSP board for subwoofer needed [3 Articles]
tipo...@hotmail.com - May 21 2008
Hi, And my apologies if this kind of question doesn't belong here.
I need AudioDSP/filter unit for active subwoofer with:
- 2 floating inputs (left and right channels, summed u... Audio Equalizer [3 Articles]
akin...@hotmail.com - May 5 2008
Hi
I want build a multiband ( 10 band) 2-channel audio equalizer with FIR or IIR filters. Can you suggest any sample project or ready library for that purpose ?
Regards,
Aki... Noise Cancellation using Auto and Cross-Correlation
dwch...@gmail.com - May 5 2008
Hello,
I'm trying to create an FIR filter to cancel some noise in an audio sample by looking back at the previous samples (some m samples back) to create the filter weight for t...