Unverified50% confidenceFactExact time
MP3 is a lossy audio compression format that reduces file size by discarding part of the audio information.
1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedMP3 encoding is based on a psychoacoustic model that uses frequency masking and temporal masking effects to remove frequency components imperceptible to the human ear, compressing PCM audio to approximately one-tenth of its original size.76% similarUnverifiedLossy formats such as MP3 discard high-frequency information imperceptible to human ears during encoding, typically resulting in a noticeable frequency cutoff line around 16kHz or 20kHz71% similar
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