Sony Corporation

Kazuhiro Sekine

Hirotomo Yunoki

Jo Kamada

Masataka Ozawa

Provided is an ear-hole open type sound reproducing apparatus which can obtain good sound quality over a wide band while adopting a bone conduction system. A first equalizerremoves a high range component which is difficult to be reproduced by a vibration speakerand is hard to be conveyed by bone conduction. Then, the vibration speakeroutputs the sound over a low range to a middle range by bone conduction sound. By equalizing processing of the first equalizer, it is also possible to reduce sound leakage of the high range. On the other hand, a second equalizerremoves components over the low range to the middle range. Then, an air conduction speakeroutputs high quality sound of the high range component by air conduction sound.

Sound reproducing apparatus

A disk drive apparatus is disclosed for stabilizing a track jumping operation of an objective lens. The disk drive apparatus includes a detection section for detecting the direction that object lens is being moved by a tracking operation, and a discrimination section for discriminating the direction of the track jumping operation. A track jump movement then performed based on the detection of movement and discrimination of the track jump operation. Therefore, the track jump is stabilized without being influenced by the movement of the objective lens by the tracking operation.

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Tokyo, Japan

Kazuhiro Sekine