![]() Often a recording has unwanted pauses at the beginning or end, or between So, in this particular spectrogram, at this particular location of the cursor,į1 is 334 Hz, F2 is 1976 Hz. Then at the bottom of the screen will appear the values for F1, F2, F3, and If you put the cursor on this spectrogram, Gives you a spectrogram in which the formants are plotted fairly exactly Right click, then Create pane, then Formant plot. Then you can drag the little black box to adjustīrightness and contrast, and drag the slider to go smoothly between wide-band Right-click on your spectrogram and pick SpectrogramĬontrols. Wavesurfer also has a nice interface for adjusting the legibility of (hz) for Cut Spectrogram At and click OK. On the spectrogram window and select Properties, then enter a number I find it's useful to cut them off at 4000 hz if thereĪre no sibilants, and 6000 hz if there are. Likewise, spectrograms are often easier to read if you cut off the topįrequencies. The maximum pitch found in the recording. To do this, right click on the displayĪnd select Properties, then Data plot, find Plot valueīounds, and lower the Max until it's just a little higher than Often, pitch tracks are hard to interpret unless you stretch them vertically This gives you a pretty nice setup that is especially Right-click on the screen, select Apply Configuration then SpeechĪnalysis. Pitch track, spectrogram, and waveform of me saying The quick brown fox Here is an example of a full analysis in Wavesurfer it has a time scale, You can change the size of the windows by dragging on the edges with the The configuration see below for how to do this. I like to pick all four of the above, then I save What you pick will depend on what you're analyzing, but I recommend you always On what you're recorded, as shown and select Create Pane. ![]() The one slightly counterintuitive bit in Wavesurfer is this: to get Here's what the Wavesurfer interface looks like when you open up the program: Installed it, in your Program Files folder). ![]() The program is (it will be on your CD drive, or if you downloaded it and Choose Wavesurfer, if necessary picking Browse to find where To open a sound file in Windows, right-click on it and select Open Once you've done this, you can determine what kind of soundįiles you have, by looking at the suffix (.wav. It might pay first to fix your copy of Windows so you can see the file suffixes. SoundI/O, Record Time Limit, and enter the maximum number of Than ten minutes long, ask for enough time. Giving yourself enough time: if you're doing a recording more To the next direction if you're having trouble, click (Red dot is record, right triangle is play, square is stop, and so The Wavesurfer interface uses the standard tape recorder style buttons. Outside the computer, reducing noise considerably. Plugs into the USB port of your computer. If you want to get yourself a microphone, I suggest getting the type that Or you open up an existing digital recording. To do stuff with Wavesurfer, you either first use it to make a recording, Wavesurfer doesn't have to be installed you just download it and unzip into I highly recommend using the older version, 1.8.5. Of Technology (KTH) in Stockholm, Sweden. Wavesurfer is an easy-to-use acoustic analysis software package distributed Wavesurfer hints - Linguistics 103 - Bruce Hayes - UCLA
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