2008年10月31日 星期五

消音專利

Microsoft於2008.10.14.獲得自動檢查廣播音頻資料的專利,可預先設定好某些不雅字眼清單,然後在語音串流中「嗶嗶」消音。

US7,437,290
Title:Automatic censorship of audio data for broadcast
Abstract:
An input audio data stream comprising speech is processed by an automatic censoring filter in either a real-time mode, or a batch mode, producing censored speech that has been altered so that undesired words or phrases are either unintelligible or inaudible. The automatic censoring filter employs a lattice comprising either phonemes and/or words derived from phonemes for comparison against corresponding phonemes or words included in undesired speech data. If the probability that a phoneme or word in the input audio data stream matches a corresponding phoneme or word in the undesired speech data is greater than a probability threshold, the input audio data stream is altered so that the undesired word or a phrase comprising a plurality of such words is unintelligible or inaudible. The censored speech can either be stored or made available to an audience in real-time.

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這技術感覺還滿不錯的,只是不知道真正用起來有沒有聽起來這麼神奇順利?畢竟大家罵人不帶髒字的本事都很足啊...