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? read the disk when the noise The drive to read the disc, move up and down by the bald to identify and read the data on the disc. Such vertical movement is to the drive motor from the optical head to gain momentum, and then be connected by a transmission mechanism, and then to complete the read data in the instantaneous fast uninterrupted mobile workflow. This move more rapidly in the high-speed CD-ROM drive, and more careful. If you want to achieve the effect of valid read data, the frequency of the mechanical movement is bound to accelerate. In this way, the sounds became the main source of the noise of the CD-ROM drive to run. ? vibration when running The third factor is the formation of noise when the optical drive high-speed operation due to rotation imbalance caused by mechanical vibration. As we all know, the prevalence of pirated CDs on the market, the uneven quality of the disc, the eccentric, the emphasis defective disc always hard to avoid, CD-ROM read speed operation similar to the defective disc will produce weight loss and other physical phenomena, causing mechanical vibrations and noise. Section 9: Raiders - CD-ROM computer noise reduction noise reduction technology Look at the source of the noise from the computer, you can generally be divided into three parts, fan noise, hard disk noise, optical drive noise. In addition, some computers will have resonance noise. The noise of the optical drive is divided into mechanical friction noise and mechanical vibration noise. Move up and down when the former from the CD-ROM issued when the the driven disc high-speed rotation of the spindle motor friction "wind", and the spindle motor drive the laser head to read the disk friction noise, the higher the speed of your CD-ROM, this noise is greater; after optical drive spindle motor, high-speed rotation, bald read the disk moves up and down due to vertical, parallel to the vibration caused by the noise. Panasonic CF-VZSU48u battery Sony VGP-BPS2 battery Sony VGP-BPS2b battery
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