RO93 - 4.2.2 - Audio Files

What does sample rate measure?

• Bit depth
• Frequency of samples per second
• File size
• Compression level

How does sample rate affect sound quality?

• Higher sample rate means lower quality
• Higher sample rate means higher quality
• Sample rate does not affect quality
• Lower sample rate means higher quality

What does bit depth measure?

• Number of bits per sample
• Frequency of samples per second
• File size
• Compression level

How does bit depth affect sound quality?

• Higher bit depth means lower quality
• Higher bit depth means higher quality
• Bit depth does not affect quality
• Lower bit depth means higher quality

What is an example of an uncompressed audio file format?

• MP3
• WAV
• AAC
• OGG

What is an example of a compressed audio file format?

• WAV
• FLAC
• MP3
• AIFF

What is the purpose of audio compression?

• To increase file size
• To reduce file size
• To improve sound quality
• To change bit depth

How does lossy compression affect audio quality?

• No effect
• Improves quality
• Reduces quality
• Enhances bit depth

What is a characteristic of lossless compression?

• Some data is lost
• No data is lost
• All data is lost
• Data is encrypted

What is an example of a lossless compressed audio file format?

• MP3
• WAV
• FLAC
• OGG