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Questions and Answers
What is the primary purpose of audio compression?
What is the primary purpose of audio compression?
- To remove redundant or irrelevant information from the audio signal (correct)
- To increase the storage space required for audio files
- To improve the quality of the audio signal
- To slow down the transmission of audio data
What is the main difference between lossless and lossy compression?
What is the main difference between lossless and lossy compression?
- Lossless compression is used for video, while lossy compression is used for audio
- Lossless compression is faster, while lossy compression is slower
- Lossless compression preserves all details, while lossy compression reduces some details (correct)
- Lossless compression is used for real-time playback, while lossy compression is used for storage
What is the compression ratio typically achieved by lossless compression routines for audio with a full dynamic range?
What is the compression ratio typically achieved by lossless compression routines for audio with a full dynamic range?
- 1:1 or no compression
- 4:1 to 12:1
- 2:1 or lower (correct)
- 10:1 or higher
What is the main advantage of using compressed audio files on the web?
What is the main advantage of using compressed audio files on the web?
Which of the following is an example of an uncompressed audio file format?
Which of the following is an example of an uncompressed audio file format?
How many major groups of audio file formats are there?
How many major groups of audio file formats are there?
What is the primary difference between sampled audio and MIDI data?
What is the primary difference between sampled audio and MIDI data?
Which of the following formats is classified as a lossless compression format?
Which of the following formats is classified as a lossless compression format?
What type of sound is MIDI music not well suited for?
What type of sound is MIDI music not well suited for?
What is the advantage of MIDI file formats?
What is the advantage of MIDI file formats?
What is the main difference between a MIDI file and an MP3 file?
What is the main difference between a MIDI file and an MP3 file?
Which of the following is an example of a sampled audio format?
Which of the following is an example of a sampled audio format?
What is the native sound format for Windows?
What is the native sound format for Windows?
What is the compression rate for MP3 format?
What is the compression rate for MP3 format?
What is the main advantage of MP3 format?
What is the main advantage of MP3 format?
What is the technique used in MP3 format?
What is the technique used in MP3 format?
What is the characteristic of human ear used in MP3 format?
What is the characteristic of human ear used in MP3 format?
What is the definition of streaming media?
What is the definition of streaming media?
What is a significant advantage of MIDI music files?
What is a significant advantage of MIDI music files?
Which of the following audio file formats is known for its excellent sound quality and is supported without a plug-in?
Which of the following audio file formats is known for its excellent sound quality and is supported without a plug-in?
What is a disadvantage of using uncompressed audio file formats like WAV?
What is a disadvantage of using uncompressed audio file formats like WAV?
Which software can be used to create and edit MIDI music?
Which software can be used to create and edit MIDI music?
What is a characteristic of Real Audio files?
What is a characteristic of Real Audio files?
Which of the following audio file formats is commonly used on music download sites?
Which of the following audio file formats is commonly used on music download sites?
What is the process of sending content over the internet in small data packets?
What is the process of sending content over the internet in small data packets?
What is the format developed for streaming audio, comparable in quality to MP3?
What is the format developed for streaming audio, comparable in quality to MP3?
What is the term for a device or program capable of encoding or decoding a digital data stream or signal?
What is the term for a device or program capable of encoding or decoding a digital data stream or signal?
What is the primary advantage of streaming media over traditional downloading?
What is the primary advantage of streaming media over traditional downloading?
What is the format developed by Real Networks for streaming media?
What is the format developed by Real Networks for streaming media?
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