| 摘要 |
An optical disc playback apparatus having DTS sound incompatible function is provided, which apparatus is capable of automatically playing back the Dolby sound without selecting the Dolby sound in the menu setting, when an optical disc including the DTS content is played back. When the playback of the optical disc including the DTS content is started, DTS compatibility judging means judges whether or not the setting function of the apparatus is set in the DTS sound compatible state. In the case when the result of judgment indicates the DTS sound incompatible state, Dolby sound selection means carries out a control in such a manner that a Dolby sound is compulsively selected, so that the Dolby sound is output instead of the DTS sound. Accordingly, a user is able to listen a comfortable sound and no operation for selecting the Dolby sound is required as for the type of sound to be listened, thereby enabling the usability to be enhanced in the operation of the apparatus.
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