TTO 1 Chapter 5.4: Loudness, Amplitude and oscilloscopes

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Slide 1: Slide

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This lesson contains 22 slides, with interactive quizzes, text slides and 2 videos.

Lesson duration is: 45 min

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

Slide 3 - Video

Slide 4 - Slide

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Slide

It takes one soundwave to complete one wave in 0,0025s.
Calculate the frequency

Slide 8 - Open question

Open: https://www.szynalski.com/tone-generator/
In the recording a frequency of 500 Hz is used. Using the tone generator: play this tone. If you increase the frequency:
A. What do you hear?
B. What is the maximum frequency you can hear?

Slide 9 - Open question

If you decrease the frequency:
A. What do you hear?
B. What is the maximum frequency you can hear?

Slide 10 - Open question

Slide 11 - Slide

Slide 12 - Video

Change the seconds/div to 2 ms
A. How much time does it take for 1 wave to complete
B. According to your measurement: what is the frequency?
C. Is this answer different to the previous question?

Slide 13 - Open question

Slide 14 - Slide

https:

Slide 15 - Link

Using the information of the previous 2 pages:
A. How much time does it take for 1 wave to complete
B. According to your measurement: what is the frequency?

Slide 16 - Open question

Put input to: live input (5V peak amplitude)

Make some noise. Loud and less loud. What happens to the amplitude?

Slide 17 - Open question

Read textbook page 100 and 101

Do questions textbook page 101

Do questions workbook page 48

Slide 18 - Slide

Name the 3 properties a wave

Slide 19 - Open question

Using an oscilloscope: how can you see the loudness of a sound

Slide 20 - Open question

What can you read from a waveform shown on an oscilloscope

Slide 21 - Open question

After studying this paragraph do you have any questions?

Slide 22 - Open question