> From the long list of answers, I see lots of speculation about Mr. > Shirkey's question. Some time back he approached me on the work that had > been done a very long time ago on phase-modulation to achieve panning. > He never replied to my subsequent information or queries.
Sorry about that. Been a little hectic the past few months. > I suspect that > this question is really all about the phase of the signal being > transported through any given audio driver, ALSA, JACK or whatever, so > the analysis is somewhat germane. > > I think that a phase demod analyzer might be his attempt to solve his > real problem. I speculate that Patrick didn't actually ask his real > question. > I'm not sure that I can provide all the information at this stage anyway... :-) > So, perhaps any Haas-effect plugin would satisfy Patrick's needs. > > Other than that, I'd make a really cool spectrum analyzer that ran the > Fourier analysis on two channels, correlated their phases then made a > +/- line vs. frequency for all to see so that the phase of the > components of the spectrum could be watched for phase relationships. > > Suggestions? > That would be a useful tool. -- Patrick Shirkey Boost Hardware Ltd > On 06/25/2011 09:23 AM, [email protected] wrote: >> Hi, >> >> Can anyone point me to a simple code example for how to determine the >> phase at a specific time in a waveform? >> >> ex. if I have a sample that is 5 seconds long and want to know the phase >> at 2.5 seconds >> >> I'm open to code in any language or a scripted example if such a tool >> exists. If there is an ui which has that feature I am also interested. >> >> >> Cheers >> >> -- >> Patrick Shirkey >> Boost Hardware Ltd >> _______________________________________________ >> Linux-audio-dev mailing list >> [email protected] >> http://lists.linuxaudio.org/listinfo/linux-audio-dev >> > _______________________________________________ > Linux-audio-dev mailing list > [email protected] > http://lists.linuxaudio.org/listinfo/linux-audio-dev > _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
