Sound Sampling

A Sound file has a sample rate of 20 samples per second, the sound file is four seconds long. How many samples are there in the file?

• 80

• 5

• 20

Which of these statements is false?

• Increasing the sampling rate will increase the file size

• increasing the resolution will increase the file size

• decreasing the resolution will make the sound quality worse

• increasing the resolution will make the sound quality worse

• increasing the sampling rate will make the sound quality better

How do computers store sampled sound data?

• as Binary

• as Denary

• as Waves

True or False - Computer sound samples are identical to the sound wave they recorded?

• true

• false

• sometimes true

true or false - higher quality sound samples mean smaller file sizes?

• true

• false

This wave has a sample rate of 1Hz . What is the first sample data?

• 1000

• 8

• 0100

• 0

This sound wave has a sample rate of 1Hz. What is the fifth sample data?

• 1001

• 9

• 5

• 0101

This sound wave has a sample rate of 1Hz. It has a resolution of 4 bits. What will the file size be in Bytes?

• 5 Bytes

• 40 Bytes

• 5 bits

• 40 bits

Which of these are measurements of sample rate? (Select all correct answers)

• Hz

• kHz

• KHS

• HS