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High Fidelity Pure Audio

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High Fidelity Pure Audio

HFPA Blu-ray
HFPA Blu-ray logo
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]


References

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