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 Entertainment ...
Universal Music Group
Universal Music Group N.V. (often abbreviated as UMG and referred to as just Universal Music) is a Dutch– American multinational music corporation under Dutch law. UMG's corporate headquarters are located in Hilversum, Netherlands and its ...
, 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 sto ...
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 surfaces. ...
s.
Launched in 2013
as a potential successor to the
compact disc
The compact disc (CD) is a Digital media, 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 rele ...
(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 sta ...
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, Philips Electronics and intended to be the successor to the Compact Disc (CD) format.
The SACD format allows mul ...
, which had similar aims.
[
HFPA is encoded as 24-bit/96 ]kHz
The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that on ...
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 amp ...
("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
Dolby TrueHD is a lossless, multi-channel audio codec developed by Dolby Laboratories for home video, used principally in Blu-ray Disc and compatible hardware. Dolby TrueHD, along with Dolby Digital Plus (E-AC-3) and Dolby AC-4, is one of the int ...
or DTS-HD Master Audio
DTS-HD Master Audio (DTS-HD MA; known as DTS++ before 2004) is a multi-channel, lossless audio codec developed by DTS as an extension of the lossy DTS Coherent Acoustics codec (DTS CA; usually itself referred to as just DTS). Rather than being ...
.Deutsche Grammophon
Deutsche Grammophon (; DGG) is a German classical music record label that was the precursor of the corporation PolyGram. Headquartered in Berlin Friedrichshain, it is now part of Universal Music Group (UMG) since its merger with the UMG family of ...
is the most prolific publisher on the format, with Beethoven 250 having three Blu-Ray audio discs.
References
External links
*
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Audio storage
Blu-ray Disc
Audiovisual introductions in 2013
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