2.2.3 - Digital Sound Representation

What is sound primarily perceived as in human physiology?

• An audible wave

• A visual stimulus

• A type of energy

• A tactile sensation

What device is used to detect sound waves?

• Microphone

• Thermometer

• Accelerometer

• Barometer

What is the process called that converts analog sound signals into digital format?

• Waveform Synthesis

• Digital-to-Analog Conversion

• Signal Processing

• Analog-to-Digital Conversion

Which factor does not affect the quality of digitally stored sound?

• File size

• Bit depth

• Sample rate

• Color depth

What is the sample rate of a standard music CD?

• 48,000 Hz

• 44,100 Hz

• 96,000 Hz

• 22,050 Hz

How is the total size of a sound file calculated?

• Sample rate x Bit depth x Duration

• Sample rate + Bit depth + Duration

• Sample rate - Bit depth - Duration

• Sample rate / Bit depth / Duration

What does the bit depth in a sound file represent?

• The speed of the sound

• The duration of the sound

• The loudness of the sound

• The quality of the sound

What is the term used for the time between capturing each sound sample?

• Bit rate

• Sample rate

• Bit interval

• Sample interval

What does a higher sample rate indicate about the sound quality?

• Lower quality and smaller file size

• Higher quality and smaller file size

• Lower quality and larger file size

• Higher quality and larger file size

What aspect of sound waves does amplitude directly relate to?

• Loudness

• Frequency

• Speed

• Wavelength