9/19/2023 0 Comments Praat script duration manipulation![]() The frequency at the bottom of the spectrogram is usually0 Hz (Hertz, cps, cycles per second), and a common value for the frequency at the top is 5000 Hz.ĭarker parts of the spectrogram mean higher energy densities, lighter parts mean lower energy densities. To the leftof the spectrogram, you see the frequency scale. The time scale of the spectrogramis the same as that of the waveform, so the spectrogram reacts to your zooming and scrolling. The horizontal direction of thespectrogram represents time, the vertical direction represents frequency. The spectrogram is a spectro-temporal representation of the sound. If you do not see it,choose Show spectrogram from the Spectrogram menu. In the entire bottomhalf of this window you will see a greyish image, which is called a spectrogram. A SoundEditor or LongSoundEditor window will appear on your screen. To see the spectral content of a sound as a function of time, select a Sound or LongSound object andchoose Edit. Try the Play and Edit buttons.įor more information, see the SoundRecorder manual page. The right part of the Object window shows you what you can do with the sound. You can now close the SoundRecorder window. Your recording will now appear as a Sound object called "Sound untitled"in the List of Objects, which is the left part of the Object window. Repeat steps 3 and 4 until you are satisfied with your recording. Use the Play button to hear what you have recorded. Use the Record and Stop buttons to record a few seconds of your speech (or a few seconds ofmusic from your playing CD). In the SoundRecorder window, choose the appropriate input device, i.e. A SoundRecorderwindow will appear on your screen (on MacOS X, you may have to choose Record stereo Sound.instead). To record from the microphone (or CD), perform the following steps:ġ. If you do not have amicrophone, try to record from an audio CD instead. To record a speech sound into Praat, you need to have a computer with a microphone. Phonetics: o Voice analysis (jitter, shimmer, noise): Voice o Listening experiments: ExperimentMFC o Sound files o Filtering o Source-filter synthesis o Articulatory synthesis Phonology: o OT learning Statistics: o Principal component analysis o Multidimensional scaling o Discriminant analysis General: o Printing o Scripting There are also more specialized tutorials: Manipulation: of pitch, duration, intensity, formants. Intensity analysis intensity contours: view, configure, query, the Intensity object. Formant analysis formant contours: view, configure, query, the Formant object. Pitch analysis pitch contours: view, configure, query, the Pitch object. spectral slices: view, configure, the Spectrum object. Spectral analysis spectrograms: view, configure, query, the Spectrogram object. How to get a sound: record, read, formula. You can read this tutorial sequentially with the help of the "1 >" and "< 1" buttons, or go to the desiredinformation by clicking on the blue links. You areadvised to work through all of this tutorial. This is an introductory tutorial to PRAAT, a computer program with which phoneticians can analyse,synthesize, and manipulate speech, and create high-quality pictures for their articles and thesis. There are also more specialized tutorials: Phonetics: o Voice analysis (jitter, shimmer, noise): Voice o Listening experiments: ExperimentMFC o Sound files o Filtering o Source-filter synthesis o Articulatory synthesis Phonology: o OT learning Statistics: o Principal component analysis o Multidimensional scaling o Discriminant analysis General: o Printing o Scripting 1 ![]() You can read this tutorial sequentially with the help of the "1 >" and "< 1" buttons, or go to the desired information by clicking on the blue links. ![]() You are advised to work through all of this tutorial. Intro This is an introductory tutorial to P RAAT, a computer program with which phoneticians can analyse, synthesize, and manipulate speech, and create high-quality pictures for their articles and thesis.
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