< report material >

Press release contents

May 22, 2002

New commodity


The MD disk recorded in the MDLP mode can be reproduced by the high pitched sound quality.
New MD deck appearance for Net MD

MD deck for Net MD ‘MDS-JE780'




The Sony marketing company puts the MD disk recorded in the MDLP mode on the market equipped with new development DSP (digital sound processor) circuit and MD deck ‘MDS-JE780' for Net MD which can be reproduced by the high pitched sound quality is put on the market.

Type name Sale day Hope retail price (excluding tax) Color First monthly production
MD deck for Net MD
『MDS-JE780』
June 10 Open price Gold 2,000

‘MDS-JE780' corresponds to Net MD.; *** <protection of the copyright of music> 16-time or less velocity from music CD and music wiring if [it] connects it with the personal computer with the USB cable. the music data on the personal computer which down-loads it; It is possible to forward it to MD by - (at LP4 mode).
The voice to obtain the high pitched sound quality of a standard average mode has increased when MDLP reproduces as the equipment which corresponds to the recording mode "MDLP" of the time of the length of the stereo of MD increases. Newly developed ATRAC/ATRAC3 DSP "TYPE-S" is installed in this machine, and voice compression method ATRAC3 signal of the MDLP mode can be processed in high-speed and high accuracy. *** [It] excels in the reproducibility of a minute signal, and 6db can be improved (ratio in <our company> the past), and the high pitched sound quality reproduction have the enjoyment 歪率(unknown word) of the sound when MDLP reproduces.
Moreover, a convenient group function for the management of the tune recorded in the MDLP mode is installed. The tune recorded to MD can be registered separately for the group of the favorite according to CD, classification by artist, and the genre etc. of the recording origin. When looking for the tune which wants to listen besides useful for the arrangement of the tune, music can be quickly selected from the group.

- The transfer rate is different depending on the specification of PC.





Main feature of - ‘MDS-JE780'

1. New development ‘ATRAC/ATRAC3 DSP TYPE-S' is installed.

In a current SP recording mode, DSP“CXD-2664R" for MD which high-speed operated it was newly installed in the LP mode in addition to ‘TYPE-R' to which the analysis and the multiprecision arithmetic had been done by twice the processing performance. When reproducing, 歪率(unknown word) of about 6dB was achieved, and as a result, [it] excelled in the reproducibility of an improvement and a minute signal, and the high pitched sound quality making was achieved. It is assumed ‘ATRAC/ATRAC3 DSP TYPE-S' as a name of DSP for MD to be able to do the multiprecision arithmetic even in the LP mode in addition to ‘ATRAC DSP TYPE-R'. Therefore, ‘TYPE-R' will contain it in case of ‘TYPE-S'.
It is not possible to reproduce - with the equipment of the tune recorded in the MDLP mode of non-correspondence in the MDLP mode.

2. For Net MD
If the personal computer and the MD equipment are connected with one USB cable by installing the CD-ROM software "Open MG Jukebox" of the attachment in the personal computer, the music data in the hard drive of the personal computer can be high-speed forwarded to MD. The MD deck can be controlled from the personal computer, and even the MD edit and the title input can be operated easily. The pleasant music environments linked with the personal computer are achieved. For Windows XP

3. Convenient "Group function" adoption for arrangement and selection of tune

When one is assumed to be about four minutes for about the maximum 320 minutes, the disk where the stereo was recorded in the MDLP mode can record about 80. In "Group function", the tune recorded on the disk can be registered separately for the group of the favorite according to CD, classification by artist, and the genre etc. of the recording origin. How to name the group name is similar to the input of the title of the tune. When looking for the tune which wants to listen besides useful for the arrangement of the tune, music can be quickly selected from the group.

- "Group function" does not operate in non-correspondence machine.
The recording reproduction machine is needed for making to the group.

Other features
- S.F (scale factor) which can adjust voice level of recorded MD back
Equipped with Edith function
- This function cannot be used for the truck of MD recorded in the MDLP mode.
- [It] equips it with the front keyboard terminal, and the keyboard for a DOS/V personal computer on the market can be connected, and the title input and MD be edited.
- Equipped with sampling rate converter
- Digital REC level control






- Main specification

Type name
『MDS-JE780』
Recording method Magnetic field modulation overwrite method
Reproduction reading method Non-contact optics reading
Number of rotations About 400rpm-900rpm
Error correction method ACIRC(Advanced Cross Interleave Reed-Solomon Code)
Sampling rate 44.1kHz
Voice compression method ATRAC(Adaptive Transform Acoustic Coding)/ATRAC3
Modulation method EFM(Eight to Fourteen Modulation)
D/A converter Hybrid pulse D/A converter
A/D converter 24bitΔ
Frequency characteristic 5Hz〜20,000Hz±0.3dB
Dynamic range (JEITA) 96dB or more
The S/N ratio (Reproduce). 98dB or more
All high note wave warp rate (JEITA) 0.006% or less
(*waufurattah*) *** As follows <measurement limit value (±0.001%W.PEAK)>
Power supply AC100V, 50/60Hz
Consumption electric power 11W
Maximum and externals sizes w×h×d(mm) 430×95×285
Mass About 3.1kg

- inquiries from customer:Sony marketing (Inc.)customer consultation center
TEL0570-00-3311 (Nabis dial)03-5448-3311(For a portable telephone and PHS).
- Sony drive URLhttp://www.sony.co.jp/SonyDrive



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