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Digital Audio Formats
15
Flashcards
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PCM
Pulse Code Modulation, uncompressed raw audio data, foundation for digital audio.
FLAC
Free Lossless Audio Codec, compressed without losing quality, supports metadata.
AAC
Advanced Audio Coding, lossy, better sound quality than MP3 at the same bitrate.
AIFF
Audio Interchange File Format, similar to WAV, developed by Apple, supports metadata.
WMA
Windows Media Audio, part of Windows Media Framework, comes in both lossy and lossless versions.
MP3
Lossy compression, common for music streaming, supports metadata tags like ID3.
ALAC
Apple Lossless Audio Codec, retains original sound data, similar to FLAC but proprietary to Apple.
AIFF-C
Audio Interchange File Format Compressed, a variation of AIFF that supports compression.
WAV
Uncompressed audio format, high quality, large file sizes.
MIDI
Musical Instrument Digital Interface, contains instructions for music creation, doesn't contain actual audio.
Opus
Designed for interactive real-time applications, can handle both speech and music efficiently.
DSD
Direct Stream Digital, 1-bit audio stream, used in Super Audio CDs.
OGG
Ogg Vorbis, open-source, offers better compression than MP3s.
AMR
Adaptive Multi-Rate, optimized for speech, used primarily in mobile telephony.
AC3
Audio Codec 3, used in Dolby Digital audio on DVDs, Blu-rays, and other digital video formats.
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