Date: 2004/01/07

In the sound recording time 30 times that SONY and MD

SONY MD which approximately 40 hours of present 30 times can be recorded in 1 disk (the minidisk) developed new technology. As the equipment and the disk are sold within year, as a new standard adoption is approached also other manufacturer such as Matsushita Electric Industrial Co., Ltd..

Attendant upon the spread of Internet transmission of music, the music which the American apple computer takes in from the personal computer 1 ten thousand tunes (600 - 700 hours) the hard disk which can be recorded (HD) the portable audio equipment of built-in type is sold, popularity is gained in the United States and Japan. SONY opposes with the long haul conversion of MD.