[LAU] Request for open source solution to spectrograms and phase measurement

[Raphaël Doursenaud]

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Jörn Nettingsmeier a écrit :
> Ismael Valladolid Torres wrote:
>> Sorry for the crossposting, but I don't know which list is more
>> suitable to what I'm asking.
>>
>> One friend of mine is looking for a solution based in Linux. I admit I
>> don't understand fully what he needs. That's why I am asking to you
>> gurus out there... :)
>>
>> He needs something for level measurement of spectrograms, callibrated
>> as K-14, also for phase measurement. He used [1]a plug-in for Nuendo
>> in the past, but now he's looking for a netbook devoted only to this
>> task, and he wants to use an open source solution.
> 
> hmm. there is a k-20 meter by fons adriaensen called jkmeter. it
> shouldn't be too hard to hack it to k-14.
> as for a spectrogram in k-14, i wonder if that's even properly defined.
> there are a number of very capable analysers out there(JAPA is the one i
> use, sonic visualizer has some very good ones as well), but i doubt
> anyone of them is tuned to k14 by default. then again, you can watch
> your headroom on the meter and be ok...
> 
> as for phase plots, there is no solution i know of. most people who need
> that kind of data are proficient with maths tools such as octave and/or
> gnuplot and will calculate their own, but unfortunately there is no
> phase response plotter for the rest of us.
> 
> hope that helps,
> 
> jörn
> 
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> Linux-audio-user at lists.linuxaudio.org
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meterbridge does phase plots in its "jellyfish" mode.

- --
Raphaël Doursenaud
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