Recording medium reproduction apparatus and recording medium reproduction method for selecting, mixing and outputting arbitrary two streams from medium including a plurality of high effiency-encoded sound streams recorded thereon
Patent 5646931 Issued on July 8, 1997. Estimated Expiration Date: 
April 5, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 5, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod system & apparatus for synchronizing an auxiliary sound source containing multiple language channels with motion picture film video tape or other picture source containing a sound track Method and apparatus for recording and reproducing picture information and recording medium Method and apparatus for encoding a video signal having multi-language capabilities Rational input buffer arrangements for auxiliary information in video and audio signal processing systems Patent #: 5481543 InventorApplicationNo. 417254 filed on 04/05/1995US Classes:369/124.08, Sectioned information processing (e.g., lengths, frames, or blocks, etc.)348/462, Audio369/47.16, Of plural interrelated channels369/59.26, Binary signal processing of sectioned information386/97, Selective mode (e.g., mono, stereo, or bilingual)386/99Plurality of audio channelsExaminersPrimary: Epps, GeorgiaAssistant: Chu, Kim-Kwok Attorney, Agent or FirmForeign Patent References
International ClassG11B 007/00Foreign Application Priority Data1994-04-08 JPAbstractA separation circuit for separating input unit data into individual sound streams; a separation circuit for separating each sound frame of the separated sound streams into a sound frame of main audio and a sound frame of multi-lingual audio; a main selection circuit for selecting one frame from a plurality of the separated main audio sound frames; a multi-lingual selection circuit for selecting one frame from a plurality of the separated multi-lingual sound frames; and a sound frame synthesis circuit for packing each sound frame selected in each of the selection circuit into a frame structure of MPEG2 audio.Other References
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