rbj's articles:

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we don't live in a warped society. 17 42 (5/27/2012 3:17:55 AM) comp.dsp http://www.usatoday.com/news/nation/story/2012-05-26/naked-attacker-chewing-face-killed/55224874/1 -- r b-j rbj@audioimagination.com "Imagination is more important than knowle... robert

Bret Cahill is a troll, and to maintain a decent S/N ratio on comp.dsp, we need to stop engaging him. 14 46 (4/11/2012 4:43:25 PM) comp.dsp i will try hard to abide by my own advice. i hope we can all agree to this effort. -- r b-j rbj@audioimagination.com "Imagination is more important than knowledge." ... robert

generalized comb filters: help with terminology... 10 37 (12/6/2011 8:17:52 PM) comp.dsp okay, we know about comb filters. https://ccrma.stanford.edu/~jos/pasp/Comb_Filters.html the simplest are feedforward comb filters: y[n] = b_0*x[n] + b_M*x[n-M] H(z) = b_0 + b_M*z^-M t... robert

en Wikipedia: "Please read: A personal appeal from Wikipedia founder Jimmy Wales." 4 35 (11/8/2011 3:00:47 AM) comp.dsp again Jimbo, i'd be more inclined to support the project monetarily if i wasn't banned for eternity. and i'd like (after 4 1/2 years) to get my name and reputation back that was wrongfully taken from me. ... robert

hey guys, i finally figured out eternal september (and the thunderbird client) 5 36 (8/1/2011 5:46:41 PM) comp.dsp Google groups is still stuck on July 29 and this isn't the first time. too bad. when GG took over Deja News, i thought it was gonna get better, and it was okay for a few years. now GG sucks green donkey di... robert

Re: DT: types of "averagers" - was [Re: counterphase detection in stereo audio] 0 29 (7/7/2011 3:52:14 AM) comp.dsp boy, i don't understand what is wrong with Google Groups. last week our posts weren't showing up for 4 days, now for this particular thread, there is no "Reply" button. only "Reply to author". but it apparent... robert

testing 1,2,3, is Google Groups posting working??? 15 44 (6/27/2011 2:34:55 AM) comp.dsp Sunday, 22:34:50 EDT ... robert

Google groups is dropping my posts again. this is for basgoossen: 0 51 (6/26/2011 9:48:39 PM) comp.dsp i dunno why, but i have twice tried to answer this post, and Google says "Your post is successful" and then there is no indication of any sort that the post got anywhere. On Jun 24, 3:35 am, "basgoossen" wro... robert

OT: *why* are they retiring the shuttle before a replacement is even on the drawing board? 28 24 (6/1/2011 4:24:07 PM) comp.dsp if there *is* an American replacement to the shuttle that is well- defined (with a name and description), i haven't heard about it. the U.S. has no manned space capability (after Atlantis). no heavy-lift capa... robert

the 0th and 1st derivative of a scary function 62 37 (4/13/2011 8:16:34 PM) comp.dsp in case anybody wonders why my participation might be a little spotty of late, take a look at this function of time: http://waterdata.usgs.gov/vt/nwis/uv?dd_cd=3D03&format=3Dgif&period=3D31&si= te_no=3D042945... robert

rbj's replies:

Items(1457) /146 Next >> Last >|

LTI vs non-LTI 45 4 (4/28/2013 9:36:30 AM) comp.dsp Sirs, I am going through literature on LTI system and its properties. In order for me to appreciate a little better, can I get some very simple examples of, 1) a non-LTI system that is linear but is t... manishp

Recursive Least Squares 4 4 (4/29/2013 9:33:43 PM) comp.dsp We all know that Guass probably invented block least-squares, but who invented Recursive Least Squares? ... gyansorova (854)

Clipped before FFT 28 2 (5/10/2013 11:17:08 PM) comp.dsp I have been experimenting with some time-domain pre-processing to improve the reliability of an FFT application. The application is extracting the RPM of an engine from the sound it makes. Prior to these e... no-one5677 (19)

Help on FIR decimation 16 1 (5/14/2013 10:40:44 AM) comp.dsp Hi all I have a FIR decimation code, which is meant to decimate audio from 44100 Hz to 11025. My problem is the output is complex, but I need to get this data back to real number, as the complex don't mea... joaoneves

A purely theoretical question 17 1 (5/16/2013 4:59:48 PM) comp.dsp Hi group I have a purely theoretical question. When doing a FFT of an unwindowed pure sine signal, if the frequency doesn't match a bin frequency, many bins will have a magnitude > 0. Because the magnit... me6228 (314)

Help with All-Pass Filter Design Method 20 5 (5/2/2013 1:16:54 PM) comp.dsp I would like to generate coefficents for an all pass that approximates a desired group delay response. I was surfing the net for methods and came across a ieee article that uses the hilber transform method... westocl

Pole-Zero Association When Forming Biquads 40 5 (4/13/2013 11:56:28 AM) comp.dsp What is the current thinking on how to associate zero pairs with pole pairs when decomposing a rational transfer function into 2nd-order sections? Keep the zeros and associated poles as close together as pos... gjberchin1 (84)

Non minimum/Maximum phase filter question 5 3 (4/23/2013 1:28:34 PM) comp.dsp From my knowlege of phase/Magnitude response of digital filters, minimum and maximum are the only filters whose Magnitude response completely specifies its phase response (some kind of log hilbert relations... westocl

Coursera 1 4 (4/27/2013 9:08:14 AM) comp.dsp I have previously posted about some Coursera courses though with less interest than I might have expected. Maybe this one people will find more interesting: https://www.coursera.org/course/digital -- ... gah (12236)

The Delay of Minimum Phase FIR filter 11 1 (5/17/2013 9:53:15 PM) comp.dsp Dear all, I would like to ask is there any way to have analytical estimation value of delay of minimum phase FIR filter based on the following assumptions: 1. we regard the position of largest magnitude co... wyonghao