Compressed finite state transducers for automatic speech recognition
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Jun 20, 2016
filing date -
Feb 29, 2016
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Abstract
Compact finite state transducers (FSTs) for automatic speech recognition (ASR). An HCLG FST and/or G FST may be compacted at training time to reduce the size of the FST to be used at runtime. The compact FSTs may be significantly smaller (e.g., 50% smaller) in terms of memory size, thus reducing the use of computing resources at runtime to operate the FSTs. The individual arcs and states of each FST may be compacted by binning individual weights, thus reducing the number of bits needed for each weight. Further, certain fields such as a next state ID may be left out of a compact FST if an estimation technique can be used to reproduce the next state at runtime. During runtime portions of the FSTs may be decompressed for processing by an ASR engine.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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AMAZON TECHNOLOGIES INC | PO BOX 81226 SEATTLE WA 98108-1226 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Filimonov, Denis Sergeyevich | Seattle, US | 7 | 76 |
# of filed Patents : 7 Total Citations : 76 | |||
Joseph, Shaun Nidhiri | Somerville, US | 4 | 144 |
# of filed Patents : 4 Total Citations : 144 | |||
Rastrow, Ariya | Seattle, US | 47 | 1177 |
# of filed Patents : 47 Total Citations : 1177 | |||
Tiwari, Gautam | Boston, US | 7 | 149 |
# of filed Patents : 7 Total Citations : 149 |
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- 11 Citation Count
- G10L Class
- 88.19 % this patent is cited more than
- 7 Age
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