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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 155 threads in our archives.
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Re: today's puzzle
jim - 2012-10-30 09:56:00
clay@claysturner.com wrote:
>
> On Tuesday, October 23, 2012 5:02:48 PM UTC-4, PT wrote:
> > g(n) is a function of any integer n, positive or negative, which
> >
> > produces an inte...
Re: image out-of-focus blur identification
jim - 2011-12-02 10:36:00
Ling Chen wrote:
>
> Hi there,
>
> Suppose an image is out-of-focus blurred. We have the original image
> and its blurred version. What is the best approach to estimate the
> blur fu...Re: 2*pi frequency term
jim - 2011-09-19 07:19:00
Simeon wrote:
>
> On Tue, 13 Sep 2011 21:54:54 -0500, manishp wrote:
>
> > > > Can anyone let me know how to interpret frequency term 2*pi*n used in
> > > > discrete frequency domain t...Re: Thresholding for Note Onset Detection
jim - 2011-06-24 10:26:00
bloodfire1004 wrote:
>
> Hi!
>
> Regarding Note Onset Detection (that is, trying to find where a new note
> begins), I am having problems on trying to determine what my threshold
> s...Re: Puzzle: How to extract desired info from data?
jim - 2011-06-24 10:23:00
Rune Allnor wrote:
> You missed the word 'trend' in the problem statement. I can't
> get the numbers from these kinds of estimates, but you *can*
> get a rough idea about at what times the...Re: What makes speech intelligible?
jim - 2011-02-16 08:01:00
Richard Owlett wrote:
>
> I have a recurring interest in miscellaneous aspects of speech
> recognition. I was thinking of how one might characterize speech.
> I recalled a page describing...Re: The inherent periodicity of the Discrete Fourier Transform
jim - 2011-02-12 11:26:00
Richard Dobson wrote:
>
> On 11/02/2011 21:27, robert bristow-johnson wrote:
> ...
> > "The inherent periodicity is always present. Sometimes it causes us
> > difficulty and sometimes...Re: The inherent periodicity of the Discrete Fourier Transform
jim - 2011-02-07 14:03:00
Eric Jacobsen wrote:
>
> Perhaps I'll stir the pot and say that, again, just looking at the
> definition and operation of the DFT, as a linear algebra expression, I
> think it's hard ...Re: The inherent periodicity of the Discrete Fourier Transform
jim - 2011-02-05 14:03:00
dbd wrote:
>
> Yes robert, this is exactly "periodic extension". It is a property of
> the -signal- to insure that the DFS exists and that the DFT
> corresponds to the DFS. This is the ...Re: Appendix A: Types of Fourier Transforms
jim - 2011-01-26 08:08:00
Rune Allnor wrote:
> >
> > Here we go: "The maths depends on context."
>
> Just to be clear: The latter sentence is my rephrasing of Chris'
> view. Chris writes nowhere in his post ...