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Expanding Your Horizons: Physics of Music Hints. What does sound “look” like?. Tone generator. Oscilloscope. Microphone. Speaker. Oscilloscope controls: play around!. Helps to “freeze” the wave . Changes horizontal scale. Changes vertical scale. Tone generator: play around!. - PowerPoint PPT Presentation
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Expanding Your Horizons:
Physics of Music Hints
What does sound “look” like?
Oscilloscope
MicrophoneSpeaker
Tone generator
Oscilloscope controls: play around!
Changes vertical scale
Helps to “freeze” the
wave
Changes horizontal
scale
Tone generator: play around!
Frequency
Changes frequency
Amplitude
Wave shape
What do sounds from these “look” like?
What does sound “look” like: Computer and LoggerPro software
Click “Collect” to capture data
Spectrum: tells what frequencies
present in the sound
Click “Examine” to
determine frequency
Cursor
When do two pitches sound “pleasing” together?
Click with mouse, drag to turn and change ratio
Find this program on computer desktop.
Listen through
headphones
Frets: Click below to hear the Superman theme. Try playing the first few notes on
the monochord.
Frets: Where is “fa”?
1:13:22:1
s4:3
L
L/s=4/3Find s and tape a nail in the correct place to
act as a fret. Play something.
Can you make an instrument out of a straw?
Flatten, then blow on this
end. Add length as
desired, and add a cone to
the end.
Can you make an instrument out of a straw?
Sound level
appears here in
decibels (dB)