In the science classroom you can use TwistedWave as a great way to visualize sound, pitch, and amplitude. Click “ File” and “ Send to Google Drive” to save your recording to your Drive.Click “ Effects” and “ Change Pitch and Speed” to increase or decrease the frequency of the selected part of the recording.Click “ Effects” and “ Amplify” to increase or decrease the loudness of the selected part of the recording.Click and drag to select a portion of your recording.Use the Zoom In and Zoom Out buttons, or the scroll wheel on your mouse, to zoom in on the sound waves.Click the play button to play back your recording.Click the red record button to record from your mic.With the TwistedWave editor open, you can do the following: The direct link to install the web app is here: Chrome Web Store link TwistedWave can be installed through the Chrome Web Store at.
#TWISTEDWAVE MUFFLED VOICE HOW TO#
See below for a video tutorial showing how to use this web app, then read through the rest of the blog post for more details on the tool as well as the Ohio science standards addressed. This is a free online tool that lets you record sound, play it back, see a live visualization of the sound waves, edit the sound (pitch, amplitude, etc), and see the effect those changes have.
The Ohio model curriculum encourages teachers to use virtual tools to visualize or simulate these concepts.Ī great tool to do this is the free Chrome Web App called TwistedWave. In each case the students are supposed to explore how changes to sound waves can affect the pitch and loudness of the sound. In Ohio, sound is part of the science curriculum in Kindergarten, Grade 5 and Grade 7. However with the help of technology, students can get a much more concrete understanding of these topics. Teaching the concept of sound, pitch, frequency, and amplitude can be a little abstract since sound waves can’t normally be seen.
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