Method and apparatus for controlling play of an audio signal

Details Method and apparatus for controlling play of an audio signal Method and apparatus for controlling play of an audio signal

H - Electricity

04

N

H04N 11/00 (2006.01) H04N 7/16 (2006.01) H04N 7/00 (2006.01)

Patent

CA 2536260

Apparatus and methods conforming to the present invention comprises a method of controlling playback of an audio signal by analyzing close caption text for objectionable words (210) in conjunction with analysis of the corresponding audio signal. Objection text or other specified text in the close caption signal is identified through comparison with user identified objectionable text. Upon identification of the objectionable text, the audio signal is analyzed to identify the audio portion corresponding to the objectionable text by matching objectionable text with objectional audio sequence (240). Upon identification of the audio portion, the audio signal may be controlled to mute the audible objectionable text.

Cette invention se rapporte à un appareil et à des procédés, notamment à un procédé permettant de commander la reproduction d'un signal audio grâce à l'analyse d'un signal de sous-titre codé correspondant en association avec l'analyse du signal audio correspondant. Tout texte faisant l'objet d'une contestation ou tout autre texte spécifié contenu dans le signal de sous-titre codé est identifié par comparaison avec du texte indésirable identifié par l'utilisateur. Après identification du texte indésirable, on analyse le signal audio pour identifier la partie audio correspondant au texte indésirable. Après identification de cette partie audio, on peut commander le signal audio de façon à rendre silencieuse la reproduction du texte indésirable audible.

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