MP3

What does MP3 stand for in the context of digital audio?

• MPEG Audio Layer III

• Music Player 3

• Multi-Purpose 3

• Media Playback 3

Tags

NGSS.MS-PS4-3

Which scientific principle is primarily used in the compression of MP3 files?

• Fourier Transform

• Newton's Laws

• Quantum Mechanics

• Thermodynamics

MP3 files are known for compressing audio data. What is the typical compression ratio of an MP3 file compared to a CD-quality audio file?

• 10:1

• 2:1

• 5:1

• 20:1

Tags

NGSS.MS-PS4-3

Which of the following is a disadvantage of MP3 compression?

• Loss of audio quality

• Increased file size

• Incompatibility with most devices

• Slower download speeds

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-3

In the context of MP3, what does 'bit rate' refer to?

• The number of bits processed per unit of time

• The speed of sound in air

• The frequency of the audio signal

• The amplitude of the sound wave

Tags

NGSS.MS-PS4-3

Which of the following is a common bit rate for MP3 files?

• 128 kbps

• 320 kbps

• 64 kbps

• All of the above

Tags

NGSS.MS-PS4-3

What is the main advantage of using MP3 format for audio files?

• Reduced file size

• Improved sound quality

• Increased file size

• Enhanced video quality

Tags

NGSS.HS-PS4-2

Which psychoacoustic model is used in MP3 compression to remove inaudible sounds?

• Masking effect

• Echo effect

• Reverberation

• Doppler effect

MP3 compression is a type of which broader category of data compression?

• Lossy compression

• Lossless compression

• Run-length encoding

• Huffman coding

What is the typical file extension for an MP3 file?

• .mp3

• .wav

• .flac

• .aac