High Fidelity Pure Audio
| File:Blu-Ray High Fidelity Pure Audio.svg
HFPA Blu-ray logo
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| Media type | Blu-ray disc |
|---|---|
| Encoding | Menu screen H.264/MPEG-4 AVC Audio 2.0 or 5.1 Surround Dolby TrueHD DTS-HD Master Audio LPCM[1] |
| Capacity | 25 GB (single-layer) 50 GB (dual-layer) |
| Read mechanism | 405 nm diode laser |
| Developed by | Sony, Universal Music |
High Fidelity Pure Audio (HFPA) is a marketing initiative, spearheaded by the Universal Music Group, for audio-only Blu-ray optical discs.[2] Launched in 2013[3] as a potential successor to the Compact disc, it has been compared with DVD-A and SACD, which had similar aims.[4][2]
HFPA is encoded as 24-bit/96 kHz or 24-bit/192 kHz linear PCM ("high-resolution audio"), optionally losslessly compressed with Dolby True HD or DTS-HD Master Audio.[5]
Note that Pure Audio Blu-ray refers to a different initiative (but with some goals in common) launched by msm-studios in Germany in 2009.[4]
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