| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical disc apparatus, a gain setting method and a program. SOLUTION: The optical disc apparatus includes : a sound pickup portion, an optical pickup 210 to record a sound picked up by the sound pickup portion as audio data onto an optical disc using laser light, a focus adjustment portion to adjust a focal position of the laser light based on the focus drive signal, a tracking control portion 224 to control tracking so that the optical pickup traces a track formed on the optical disc, an operation sound extraction portion for extracting operation sound of the focus adjustment portion from the sound picked up by the sound pickup portion; and a gain setting portion to change the gain of the focus drive signal during a period when adjustment of the focal position of the laser light by the focus adjustment portion is performed and control by the tracking control portion is not performed according to a level of the operation sound extracted by the operation sound extraction portion. COPYRIGHT: (C)2009,JPO&INPIT
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