Encoding Sound Quiz msh020824

What is sound?

• Radio waves

• Light waves

• Vibrations that travel through a medium

• Heat waves

What are the two components of all sound waves?

• Brightness and color

• Volume and pitch

• Speed and direction

• Frequency and wavelength

What is the purpose of a microphone in sound recording?

• To convert sound waves into light waves

• To store sound data in the cloud

• To amplify sound waves

• To convert sound waves into binary format

How is sound data stored in binary format?

• As a stream of letters

• As a stream of random numbers

• As a stream of binary numbers representing voltage at different times

• As a stream of images

What affects the quality of a recorded sound in digital format?

• The color of the sound wave

• Sampling Rate and Resolution

• The temperature of the recording room

• The humidity in the air

What is the sampling rate in sound recording?

• The length of the recording

• The number of times per second that sound data is recorded

• The size of the microphone

• The type of sound card used

How is the file size of a sound file calculated?

• File Length x Sampling Rate x Sampling Resolution

• File Length x Sampling Rate x Sampling Resolution x Number of channels

• File Length x Sampling Resolution

• File Length x Sampling Rate