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Comp.dsp is a worldwide Usenet news group that is used to discuss various aspects of digital signal processing.
There are 9 threads in our archives.
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Prior art for speech/pitch processing patents ($50k prize)
David Gelbart - 2009-09-04 12:47:00
My dad forwarded me this yesterday. Maybe one of us can win some easy
money!
https://www.myninesigma.com/sites/public/_layouts/RFPs/NineSigma_RFP_65415.pdf
The '055 Patent relates generally to...
Papers are better with code: ICASSP session
David Gelbart - 2007-04-30 14:29:00
In January, Erik de Castro Lopo started a long thread here on
comp.dsp by calling for signal processing papers to include sufficient
source code for the reproduction of results.
ICASSP is one of...Re: Recovering Signal after Spectral Subtraction
David Gelbart - 2007-04-01 16:26:00
I'm not disputing what Gerry wrote, but given Julius' comment I want
to point out that magnitude-only spectral subtraction schemes can give
useful results too. They are popular in the computer spe...Re: MFCC
David Gelbart - 2007-03-31 21:33:00
Hello Joann,
I don't know whether you need endpointing. Since you are in a noise-
free environment, I expect that you could implement endpointing by
comparing signal energy (computed over some t...IEEE: affordability and relevance
David Gelbart - 2007-03-30 01:53:00
In December 2006 there was a very interesting thread here about the
affordability of IEEE papers and their relevance to the working
engineer.
I have just been browsing the statements of candidate...Re: Single Channel Noise Reduction algorithms/code for Digital Hearing Aid
David Gelbart - 2007-03-27 21:21:00
On Mar 27, 5:47 am, "waheed2nice" wrote:
> Hi Everybody,
> I am working on designing a digital hearing aid as my MSc project but I am
> facing severe difficulties in removing noise. Is there ...Convolution and cepstral mean subtraction
David Gelbart - 2007-03-09 18:16:00
It seems to me that cepstral mean subtraction (CMS), which is commonly
performed in computer speech recognition system, corresponds to a
circular convolution. I am curious what people think about h...Re: Filter jitter to measure clock skew
David Gelbart - 2007-03-05 13:37:00
On Mar 5, 9:20 am, Spoon wrote:
> If I have to recode NTP in my app, I'm toast.
> That math is way over my head.
Have you tried going back to David Mills' papers about the
fundamentals of...Re: Need to detect time compressed or elongated version of signal
David Gelbart - 2007-02-27 18:41:00
On Feb 25, 2:03 pm, "steve" wrote:
> I need to detect a know waveform (of which I have a matching template)
> within a signal but the waveform may be a slightly time compressed or
> elongated...