Differentiating Audio File Formats: MP3, AAC, WAV, FLAC

What is the primary reason for the existence of multiple audio formats?

• To increase software sales

• To create compatibility issues

• To optimize for different user needs

• To confuse consumers

Which audio format is known for being open source and patent-free?

• Vorbis

• MP3

• AAC

• FLAC

What does lossy compression do to the audio files?

• Improves the audio quality

• Discards some original data

• Retains all original data

• Increases the file size

What is the typical bit rate for uncompressed CD audio?

• 1411 kbps

• 1024 kbps

• 512 kbps

• 256 kbps

Which format would you use to listen to lossless music in iTunes?

• ALAC

• FLAC

• AAC

• MP3

How does lossless compression reduce file size without losing data?

• By compressing the file into a zip format

• By converting digital to analog

• By storing only differences in predicted and actual data

• By deleting redundant data

Which format is specifically designed to compress audio more effectively than general-purpose schemes?

• MP3

• ZIP

• FLAC

• WAV

Which codec is used for encoding sound spatially in movie soundtracks?

• AAC

• DTS-HD Master Audio

• Dolby Atmos

• Dolby Digital

What is the main benefit of using specialized audio codecs like Dolby TrueHD in home theaters?

• They support a higher number of channels

• They are easier to configure

• They require less storage space

• They are cheaper to implement

What advantage do uncompressed audio formats have?

• They are smaller in size

• They are easier for editing and fine-tuning

• They have lower quality

• They are less compatible