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High Fidelity Pure Audio, occasionally abbreviated as HFPA, is a marketing initiative, spearheaded by
Sony Music Sony Music Entertainment (SME), also known as simply Sony Music, is an American multinational music company. Being owned by the parent conglomerate Sony Group Corporation, it is part of the Sony Music Group, which is owned by Sony Entertainmen ...
Universal Music Group, for audio-only
Blu-ray The Blu-ray Disc (BD), often known simply as Blu-ray, is a digital optical disc data storage format. It was invented and developed in 2005 and released on June 20, 2006 worldwide. It is designed to supersede the DVD format, and capable of st ...
optical disc In computing and optical disc recording technologies, an optical disc (OD) is a flat, usually circular disc that encodes binary data ( bits) in the form of pits and lands on a special material, often aluminum, on one of its flat surface ...
s. Launched in 2013 as a potential successor to the
compact disc The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. In August 1982, the first compact disc was manufactured. It was then released in O ...
(CD), it has been compared with
DVD-Audio DVD-Audio (commonly abbreviated as DVD-A) is a digital format for delivering high-fidelity audio content on a DVD. DVD-Audio uses most of the storage on the disc for high-quality audio and is not intended to be a video delivery format. The st ...
and
SACD Super Audio CD (SACD) is an optical disc format for audio storage introduced in 1999. It was developed jointly by Sony and Philips Electronics and intended to be the successor to the Compact Disc (CD) format. The SACD format allows multiple au ...
, which had similar aims. HFPA is encoded as 24-bit/96  kHz or 24-bit/192 kHz
linear PCM Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, compact discs, digital telephony and other digital audio applications. In a PCM stream, the am ...
("
high-resolution audio High-resolution audio (high-definition audio or HD audio) is a term for audio files with greater than 44.1 kHz sample rate or higher than 16-bit audio bit depth. It commonly refers to 96 or 192 kHz sample rates. However, there also ex ...
"), optionally losslessly compressed with Dolby TrueHD or DTS-HD Master Audio. HFPA discs are compatible with existing Blu-Ray players. ''Pure Audio Blu-ray'' refers to a different initiative (but with some goals in common) launched by ''msm-studios'' in Germany in 2009. As of November 2019, Deutsche Grammophon is the most prolific publisher on the format, with Beethoven 250 having three Blu-Ray audio discs.


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External links

* * Audio storage Blu-ray Disc Audiovisual introductions in 2013 {{sound-tech-stub