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Thursday, January 08, 2004
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"Hi-MD" format established
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Sony announced the development of "Hi-MD," marking an evolution of the music recording MD format into a versatile recording media that also delivers PC data such as images and text file recording capabilities, while maintaining playback compatibility with the current MD products and ensuring copyright security.
With the introduction of "Hi-MD," Sony is poised to meet the demands of a growing
broadband era with a versatile media capable of recording a variety of content, such
as music and images, while maintaining high quality sound and resolution.
High capacity:
By formatting an existing MD into the "Hi-MD" format, its density can be increased
to almost double the current maximum capacity. In addition, a 1GB (gigabyte) "Hi-MD"
disc has been newly developed, realizing a maximum recording time of up to
approximately 45 hours of music by incorporating the first Domain Wall
Displacement Detection (DWDD) technology
Since "Hi-MD" products will be compatible with current MD format discs, users will
also be able to play back their existing MDs.
High quality sound:
"Hi-MD" uses ATRAC3plus audio compression technology, which delivers high data
compression while maintaining quality of sound. "Hi-MD" also enables linear PCM
recordings, resulting in the recording and playback of CD quality sound.
Versatile recording media:
"Hi-MD" uses the File Allocation Table (FAT) system, which enables the recording of
music and other PC data files such as images and text.
Copyright protection technology:
"Hi-MD" incorporates OpenMG and MagicGate copy protection technology. In
addition, "Hi-MD" music recordings preserve encryptions contained within the
original source.
"Hi-MD" users will be able to record various content, such as images and text files
in addition to music, to a single disc and replay it on the go, at any time and any
place. This makes it possible, for instance, for users to record their favorite
music from their home PC to disc, play it back with their "Hi-MD" player while
commuting to work, and to then connect it to a PC at work to upload stored content
such as text files |
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