A kind of code stream without subtitle shows the method and system of subtitle by speech recognition

A kind of code stream without subtitle shows the method and system of subtitle by speech recognition

  • CN 108,366,305 A
  • Filed: 02/07/2018
  • Published: 08/03/2018
  • Est. Priority Date: 02/07/2018
  • Status: Active Application
First Claim
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1. a kind of method that code stream without subtitle shows subtitle by speech recognition, which is characterized in that include the following steps:

  • Step 1 is established a language database in set-top-box system, and is initialized according to the language codes of various countries,So that user responds the language needs of program;

    Step 2 is established a speech database in set-top-box system, and is carried out just according to prefabricated speech recognition program groupsBeginningization, for identifying most accurate voice;

    Step 3, without subtitle code stream be sent to set-top box CPU processing, set-top box parses audio data, and is broadcast through playerIt puts;

    Step 4, speech recognition subsystem noise reduction sound module set-top box CPU treated audio data is carried out at noise reducingThen reason is converted to use through sound identification module voice recognition processing and then by language decoder module progress language transcodingThe text data that family needs;

    Step 5, according to the text data of language decoder module converter, overlapping text on the picture of current playing program, utilizeOSD (On-Screen Display) i.e. interface display technologies of screen menu type regulative mode show subtitle, subtitle position categoryProperty is dynamic, is determined by real-time text data length.

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