![]() ![]() This aspect can be managed by the use of customizable SV templates. Users should be able to save the settings used in spectrogram visualisation (color, scale, window, bins, and magnification) so that they can be further applied when analysing other audio files. (CC: remember that Vamp plugins have a very unsophisticated notion of parameters, although you could potentially provide min+max frequency and supply only the audio region whose duration is beneath the rectangle) Another possibility would be to design a tone partial tracking Vamp plugin that would take the parameters of the measurement rectangle as input. One of the difficulty would be to develop the framework allowing the interaction with the spectrogram in SV. A solution would be to integrate some functionalities of Xue Wen’s Harmonic Visualiser into SV (including audio synthesis of selected partials). ![]() mean, variance, rate, extent, regularity). Descriptors about the amplitude variations of the partial could be computed (e.g. The measurement tool could be associated with a tone partial tracking functionality allowing to detect the amplitude variations of the partial in the selected area automatically. it may not be systematic (the measurement tool is adjusted manually to match the amplitude variations of tones’ partial, the precision of the process depends on the level of magnification, eye sensitivity, and the visualisation settings chosen by the user). it can be time-consuming (when performed on many different performances/notes), The measurement tool provided by SV is used to measure time-frequency related variations, like the rate and extent of a vibrato. The template solution seems to be the most straightforward.Īutomation/personalisation of spectrogram measurements: Is there a way to design a lighter SV only acting as a player when starting and then obtain the full functionality when desired by modifying the View mode? Would the time the application takes to launch be smaller if it were to start in such simple mode, or all the Qt libraries need to be loaded anyway at launch? Toggling between the two modes could be triggered by a button as well (such as the "lozenge" one at the upper right corner on mac os x). One alternative would be to add to the View menu two view modes: Closed listening / Multimodal listening (or other terms) which would allow users to switch directly from one to the other. Some musicologists may prefer to start with the Closed listening template, others musicologists, or other types of users may not. One of the advantages of this solution is that it let users choose the default template they prefer. bug reported when removing the waveform pane (app crashes), keeping only the waveform overview visible make the property box invisible (which is not the case when saving a template) allow to remove some buttons from the toolbar when saving a template how to remove the space allowed for the pane in the main window? The thing is doing that the interface does not look very attractive though. One straightforward way to allow for closed listening (without visuals) would be to design a dedicated template only showing the main playback control buttons, the green waveform overview normally located at the bottom of the SV window (since it's small I don't think it would affect listening and it's useful for navigation), and the time-stretching and volume controllers. The waveform counts as a visualisation, I assume) (CC: I'm not very familiar with vlc, but I think I can picture what you're talking about. Multimodal listening could be associated with an advanced mode (or skin) offering visualisations (waveform, spectrogram) and more advanced functionality (e.g. play/stop, navigation, volume, equalization). Closed listening could be associated with a basic mode (or skin), in the spirit of VLC, with basic playback functionalities (e.g. SV could allow a closed listening mode (without visualisation) and a multimodal listening mode (with visualisation). Due to this effect, it is deemed important to start with closed listening, and then use multimodal listening if necessary. Cross-modal effects between auditory and visual feedback occur. Musicologists alternate two listening practices: closed listening (without visualisation), and multimodal listening (with visualisation). This section presents several themes to adapt or improve Sonic Visualiser for musicological research purposes based on ethnographic observations carried out at the British Library from February to May 2011 by Mathieu Barthet. Musicologists ¶ Ethnographic observations at the British Library ¶ ![]()
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