When you hit "stop", the scrolling stops and the displays become static and you can interact with them largely in the way that you would in Praat. As soon as you start speaking into the microphone, you can see the various panes responding accordingly. You can decide ahead of time what types of display windows (called "panes" in WaveSurfer) to have open, and then as soon as you hit the record button all the displays start scrolling across in real time. ![]() produced as you speak into the microphone? Praat cannot do this, but WaveSurfer (another free speech analysis program) can. for 5 formants the Predicition order should be at least 12 (2×5, +2).I'm guessing by "on the fly" you mean you can be speaking into a microphone and seeing a waveform, spectrogram, pitch contour, etc. Finally, the Prediction order needs to be set (the number of filter coefficients for a desired number of formants), at least 2 for each formant and preferably at least 2 more, e.g. ![]() An average setting is 1 formant every 1000Hz for men and 1 every 1100Hz for women, which can then be optimized for a particular speaker (see Formant tracking and Making LPC slices).
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