Topic 3A - Audio Compression & Ways of Acquiring Audio

What is data compression?

• Removing redundant data

• Increasing the number of bits

• Changing the data format

• Adding redundant data

What are the two categories of audio file compression formats?

• Lossless and Lossy

• WAV and MP3

• MP3 and WMA

• PCM and Windows Media Audio

What is the main purpose of lossy audio formats?

• To reduce file size without losing quality

• To keep the music's original quality

• To remove all sounds

• To optimize for compactness

Which audio format is best used to keep the music's original quality?

• PCM

• Windows Media Audio

• WAV

• MP3

What does the MP3 format stand for?

• Moving Pictures Experts Group

• Music Player 3

• MPEG

• Microsoft Product 3

What is the purpose of Windows Media Video (WMV) format?

• To create videos exclusively for physical media like DVDs

• To enhance the quality of 3D animation in video games

• To develop an open-source video format for universal compatibility

• To optimize video content for streaming and Internet distribution

How can you acquire audio files according to the text?

• Record with a camera

• Buy individual files from online music stores

• Use a video recording device

• Extract audio from CDs only

What is one way to record audio according to the text?

• Extract audio from DVDs

• Buy individual files online

• Purchase albums from CDs stores

• Use a mobile phone