MiniDisc
Videos
MiniDisc is a discontinued erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, or 80 minutes of digitized audio.
MiniDisc by TDK, with AA battery for scale
The Sony MZ1, the first MiniDisc player, released in 1992.
Pioneer MiniDisc car receiver
Sony Hi-MD Recorder MZ-RH1, released 2006
Hi-MD
Videos
Hi-MD is a magneto-optical disc-based data storage format. It was a further development of the MiniDisc. With its release in late 2004, came the ability to use newly developed, high-capacity 1 gigabyt
MiniDisc
…North America, and other countries. The music format was based on ATRAC audio data compression, Sony's own proprietary compression code. Its successor, Hi-MD, would later introduce the option of linear PCM digital recording to meet audio quality comparable to that of a compact disc. MiniDiscs were very popular…
Front view
Rear view
Hi-MD Walkman MZ-NH1 with blank Hi-MD