Vamp has documentation and a C++ SDK, and I’d be happy to help out in any way if you’re interested in using it. colours or curves based on timbral content), key estimation, etc. Natural applications for Vamp plugins in Ardour would include things like beat and onset detection, audio-to-MIDI, alternatives to waveforms for visualisation (e.g. (Sonic Visualiser’s own spectrogram view does not use a plugin.) It is possible to write a spectrogram Vamp plugin (you can get one from the Mazurka project), but it isn’t terribly efficient. note onset points, pitch tracking curves, tonal histograms). a high-resolution spectrogram) from audio, but more appropriate to lower volume slightly structured data (e.g. Vamp is not a format for “visualisation plugins”, in the sense that the plugins themselves don’t get to draw anything – they just return data that the host determines how to display.Īlso, the format is aimed at analysis more than visualisation in the sense that it’s far from optimal for extracting large quantities of data (e.g. two or three dimensional irregularly sampled floating point data. The outputs can be moderately complex, e.g. Vamp is an API for non-realtime plugins in C or C++ that take audio as input and return something other than audio as output. It’s not 'bout recording … It’s 'bout freezing time … Why reinvent the wheel, do you think is there someway to embed this as the “Analize” function in ardour2? perhaps another Idea would be to add support for VAMP plugins for waveform views and analysis views, it just have to be seen how is their performance.Īn idea I saw in this visualizer that shouldn’be that difficult to add in ardour is the possibility of annotate the waveforms … I mean metadata as you’re editing is not that bad, isn’t it? doesn’t the WAVE format support this in a kind of metadata chunk? This has the greatest FFT views I’ve ever seen and also a plugin architecture for Visualizing plugins (VAMP), and there are a bunch of ready-to-go visualizing plugins already, spectral views, note name views, etc. I’ve just got to finally compile Ardour2 on my gentoo (for Gentoo users a Hint: emerge dev-libs/glib-2.10.3, get also the pro-audio layman repository, easy as a cake) and tried the FFT view, nonethless is a work in progress it seems quite useful to me … anyway, as the developer wanted ideas … well, there’s this guy who has wrote the greatest analysis program I’ve ever seen:
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