Compression of language model structures and word identifiers for automated speech recognition systems
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United States of America Patent
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Jan 30, 2007
Grant Date -
Jul 15, 2004
app pub date -
Jan 13, 2003
filing date -
Jan 13, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method compresses one or more ordered arrays of integer values. The integer values can represent a vocabulary of a language mode, in the form of an N-gram, of an automated speech recognition system. For each ordered array to be compressed, and an inverse array I[.] is defined. One or more spilt inverse arrays are also defined for each ordered array. The minimum and optimum number of bits required to store the array A[.] in terms of the split arrays and split inverse arrays are determined. Then, the original array is stored in such a way that the total amount of memory used is minimized.
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