Improved automatic recognition of Norwegian natural numbers by incorporating phonetic knowledge
نویسندگان
چکیده
This paper addresses the problem of speaker-independent connected natural number recognition over telephone lines. Increasing the vocabulary from digits (0{9) to natural numbers (0{99) opens for more user-friendly services, but also introduces many new, language-speci c problems, such as more similar sounding words, a more complex grammar network, and more ambiguities due to segmentation problems of connected natural numbers. The paper shows that incorporating phonetic knowledge into a Norwegian natural number recogniser, improved the recognition performance from 70.6 % to 76.3 % correctly recognised 8-digits telephone numbers in noisy conditions.
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تاریخ انتشار 1997