Understanding Digital Audio 33

What is the process of measuring amplitude at regular intervals called?

• Compression

• Bit depth measurement

• Sampling

• Quantization

What is the typical sample rate used for music recordings?

• 88,200 Hertz

• 44,100 Hertz

• 22,050 Hertz

• 96,000 Hertz

What does a higher sample rate imply?

• Smaller file size

• Closer approximation to the original sound

• Fewer samples per second

• Lower audio quality

What is the effect of using more bits per sample?

• Smaller file size

• Decreased range of numbers

• Reduced precision

• Greater range sound and higher precision

What is the bit depth of a typical recorded audio?

• 32-bit

• 24-bit

• 16-bit

• 8-bit

Which format is known for being a lossy compressed format popular for streaming?

• WAV

• FLAC

• AAC

• MP3

What is the main disadvantage of recording audio with a very low bit depth?

• Decreased file size

• Decreased sound quality

• Improved audio quality

• Increased file size

Which audio format is an Apple-specific equivalent to MP3?

• AAC

• FLAC

• WAV

• OGG Vorbis

What does FLAC stand for?

• Fast Lossless Audio Codec

• File Lossless Audio Codec

• Full Lossless Audio Codec

• Free Lossless Audio Codec

Which format is used for music CDs and storing recorded audio during production?

• WAV

• AAC

• MP3

• OGG Vorbis