Homework 5 Sound Quiz

What is the file size of recording A in bytes?

• 54 bytes

• 36 bytes

• 72 bytes

• 9 bytes

Which recording will be of the highest quality?

• None of the above

• Recording C

• Recording B

• Recording A

What device is used to capture an analogue sound signal?

• Speaker

• Headphones

• Microphone

• Amplifier

Apart from recording length, which factor influences the file size of a recording?

• Resolution

• Compression

• Bitrate

• Sample rate

What is the file size of the interview in megabytes?

• 2.38 MB

• 4.77 MB

• 6.12 MB

• 8.45 MB

How many bits are required for each sample in recording B?

• 3 bits

• 4 bits

• 6 bits

• 8 bits

What is the sample rate of the portable sound recorder used to record an interview?

• 10 kHz

• 15 kHz

• 25 kHz

• 20 kHz