Topic 3B - Audio Formats, Characteristics & Description, Advanta

What is the purpose of a 'codec' in a digital video file?

• To provide security to the video file

• To store information about the digital file

• To compress and decompress the video file

• To allow for simultaneous audio-with-video playback

Which of the following is a popular 'container' format for video files?

• MP4

• FLAC

• AIFF

• WAV

What does 'bitrate' refer to in audio quality?

• Number of bits per sample

• Number of samples per second

• Volume and density of the music

• Amount of data contained in the media per second

Which category of audio formats loses data in transmission?

• RAW audio formats

• Lossy formats

• Uncompressed formats

• Lossless formats

What is the advantage of the MP3 audio format?

• Uncompressed for CD-like quality

• Small file size for easy sharing

• Offers high security with DRM

• Supports 5.1 Surround Sound

Which audio format is known for its CD-like quality and uncompressed nature?

• ACT

• MP3

• AIFF

• WMA

What is the main limitation of the Windows Media Audio (WMA) format?

• Lack of support from third-party devices

• High file size due to uncompressed nature

• Does not support Digital Rights Management

• Sacrifices sound quality to save space

Which audio format is considered more efficient than MP3 with better sound quality at the same bitrate?

• WAV

• ACT

• AAC

• Ogg Vorbis

What does 'RAW' audio refer to?

• Audio that is highly compressed

• Audio that is unedited and unprocessed

• Audio that is encrypted for security

• Audio that is streamed live

What is the advantage of the AIFF audio format?

• Supports high levels of compression

• Small file size for easy sharing

• Allows for Digital Rights Management

• Uncompressed for CD-like quality