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Speech Summarization for Rapid Playback

Speech Summarization for Rapid Playback. Charles DuHadway. Searching Audio. Searching audio is painful Best tool: Pitch adjusted speedup Good up to 2x speedup My idea: Progressively throw away least informative parts Allows for arbitrary speedup. Finding the unimportant parts.

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Speech Summarization for Rapid Playback

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  1. Speech Summarization for Rapid Playback Charles DuHadway

  2. Searching Audio • Searching audio is painful • Best tool: • Pitch adjusted speedup • Good up to 2x speedup • My idea: • Progressively throw away least informative parts • Allows for arbitrary speedup

  3. Finding the unimportant parts • List of stop words • POS tagging (including disfluencies) • Estimate information content of each utterance:

  4. Results • Original: 1x • Pitch corrected: 2x • My approach: 2x • Pitch corrected: 4x • My approach: 5x • My approach: 10x • My approach: 50x

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