audio Format
ALAC File Format
Apple Lossless Audio Codec is an open-source lossless audio compression algorithm developed by Apple. It compresses CD and high-resolution master recordings by approximately 40% to 60% without discarding a single bit of auditory fidelity.
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Technical Specifications
| Extensions | .alac |
| MIME Types | audio/alac, audio/x-alac |
| Category | Audio |
| Engine Tier | tier2-wasm |
| Magic Bytes / Sniffing | Container sniffing (ZIP / OLE2 / RIFF header inspection) |
| Opens With | Apple Music, iTunes, VLC Media Player, Audacity |
| Good For | Lossless high-fidelity music storage and playback across the Apple hardware ecosystem. |
| Not Recommended For | Conserving bandwidth over mobile data connections compared to AAC or Opus. |