AUDIO FORMAT
FLAC (Free Lossless Audio Codec)
Specifications
| Family | LOSSLESS-CONTAINER |
|---|---|
| Bit depth | 1–32 (variable) |
| Sample rate | 1 Hz |
| Bit rate | variable (compressed) |
| Lossless? | yes |
| Extensions | .flac |
| Specification | Xiph.Org FLAC format (RFC 9639) |
| Developer | Xiph.Org |
Overview
Free Lossless Audio Codec — the dominant lossless audio container. Bitstream typically 40–70% the size of equivalent WAV. Open-source (Xiph), patent-free, supports up to 32-bit / 655.35 kHz / 8 channels.
Typical use cases
- lossless music libraries
- streaming (Tidal HiFi, Qobuz, Apple Music Lossless)
- studio interchange