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Harpy: Speech Recongnition 1976 CMU

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Uploaded on Aug 7, 2011

Speech Understanding Systems Performance Goals
Goal(November, 1971) - Harpy
Accept Connected Speech - Yes
Many Cooperative Speakers - 5 Speakers(3 Male,2 Female)
Use 1000 word Vocabulary - 1011 word Vocabulary
Task-Oriented Grammar - Avg. branching factor = 33
Constraining task - Document Retrieval
Less than 10% Semantic Errors - 5% Semantic Errors
Requiring ~300 MIPSS - 28 MIPSS
Operational in less than 5 years - Operational: August 13, 1976

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