post-igcse physics course - eclecticon 12 spectrogram.pdf · post-igcse physics course:...
TRANSCRIPT
![Page 1: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/1.jpg)
Post-IGCSE Physics Course: Experimental Physics using
Data Loggers and Computers
12 Spectrogram (Waves)
Dr Andrew French
P5/6 Winchester College
Last updated April/May 2017
![Page 2: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/2.jpg)
Experimental setup
Windows PC running SoundAnalyser MATLAB application
Microphone
USB microphone input box
Various sound sources (tuning forks, balloon, bell, boxes, raspy card water column in measuring cylinder, tuned strings ...)
![Page 3: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/3.jpg)
USB microphone input box. Make sure 48V ‘Phantom power’ button is pressed.
Gain dial
![Page 4: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/4.jpg)
Various sound sources
![Page 5: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/5.jpg)
Tuned strings sound source
![Page 6: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/6.jpg)
Tuning forks
![Page 7: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/7.jpg)
Various sound sources Discs for spinning!
![Page 8: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/8.jpg)
Configure windows Sounds settings to be Speakers for playback ...
![Page 9: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/9.jpg)
Configure windows Sounds settings to be Line In for recording ...
![Page 10: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/10.jpg)
Run MATLAB and run SoundAnalyser.m within the MATLAB command window. The following GUI will appear.
Pressing Record will record sound and then analyse it i.e. amplitude vs time and frequency spectrum vs time (plus ‘dominant’ frequency vs time) graphs will be generated.
This result is for the bell – which has distinct harmonics
![Page 11: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/11.jpg)
Violin A 440Hz
![Page 12: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/12.jpg)
Guitar A 440Hz
![Page 13: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/13.jpg)
Piano A 220Hz
![Page 14: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/14.jpg)
Recorder A 880Hz
![Page 15: Post-IGCSE Physics Course - Eclecticon 12 Spectrogram.pdf · Post-IGCSE Physics Course: Experimental Physics using Data Loggers and Computers ... Physics notes PicoScope 6 PICTORIAL](https://reader030.vdocument.in/reader030/viewer/2022020303/5afd74a57f8b9a8b4d8d918b/html5/thumbnails/15.jpg)
Flute A 440Hz