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| ASR
Technische Spezifikationen |
| Main
Features |
• Speaker Independent
• Open Vocabulary
• Noise robustness (e.g. in-car, wireless, etc.)
• Optimized for Telephonic Speech |
| Basic
Technology |
A combination
of Neural Networks and Continuous Density Hidden Markov Models |
| Configurable
Recognition Modalities |
• Grammar based
• Continuous Speech Recognition with Statistical Language
Modeling
• Free or Forced Phonetic Decoding |
| Key
features |
• N-Best Decoding
• Confidence Scores at sentence and word level
• Tunable Voice Detection sensitivity
• Improved Barge-In functionalites
• Speech Complete/Incomplete Timeout
• Garbage rules
• Grammar handling and fast grammar compilation on
the fly
• Re-usable Built-in grammar library
• Multilingual grammars
• Voice enrolled grammar
• Natural Language Processing
• Optimized for VoiceXML applications
• Loquendo Speaker Verification |
| Tuning Tools |
• Phonetic Learning
• Acoustic Model Adaptation |
| Supported Languages |
U.S. and U.K English, Canadian French, Spanish,
Catalan, Valencian, Dutch, French, German, Greek, Italian,
Polish, Portuguese, Swedish, Argentinian, Brazilian, Chilean,
Mexican, Turkish, Galician* and Russian*
(*available during 2008) |
| Grammar Formalisms |
• JSGF (Java Speech Grammar Format)
• W3C SRGS 1.0 (XML and ABNF Form) + SISR 1.0 |
| OS
supported |
MS
Windows (2000, 2003, XP, Vista), Linux Red Hat (7, 8, 9),
Red Hat Enterprise Linux (3, 4) |
| Interfaces |
• Loquendo API (C/C++)
• MRCP (for Client Server Architecture)
• Intel Dialogic Audio Source support
• DSR support |
| CPU Requirements |
Connected Digits
Recognition: 80 channels on an Intel Pentium 3.2 GHz CPU
Grammar with 10,000 words: 20 channels on an Intel Pentium
IV 3.2 GHz CPU |
| Memory Requirements |
• 15 MB per language
shared among channels
• Few MB per channel depending on the recognition task
(e.g. 5 MB for Connected Digits Recognition, 15
MB for a grammar with 10.000 words) |
From September 2009, versions of Loquendo ASR up to and including
version 5 will no longer be supported. |
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©2001-2008 Loquendo. Sämtliche
Rechte vorbehalten.
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