SLIDE 1
The Basics
Speech model Acoustic model Language model Decoder
- Sounds
- Vocabulary
- Grammar
Effective Open Source Speech Recognition in Your Application - - PowerPoint PPT Presentation
Effective Open Source Speech Recognition in Your Application - - PowerPoint PPT Presentation
Effective Open Source Speech Recognition in Your Application #kde-speech Peter Grasch peter@grasch.net The Basics Speech model Decoder Acoustic model Language model Sounds Vocabulary Grammar Open Source Speech Recognition
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Open Source Speech Recognition
Decoder Trainer UI CMU SPHINX
(PocketSphinx, SphinxTrain)
✓ ✓ Julius ✓ KALDI ✓ ✓ Simon ✓ ✓ ✓
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Standard Architecture
Simon Acoustic model Language model Simond Commands
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Your application
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Standard Architecture
Simon Acoustic model Language model Your application Scenario Scenario Scenario Simond Commands
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Headless Architecture
Simon Acoustic model Language model Simond Commands Your application
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Embedded Architecture
Simon Acoustic model Language model Commands Your application Simond Decoder
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Standard Architecture
Simon Acoustic model Language model Your application Scenario Scenario Scenario Simond Commands
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Writing your Scenario
- Lay out the commands you want to support
- Create:
– Vocabulary – Grammar – Commands
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Writing your Scenario
Demonstration
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Tighter Integration: Write a Custom Command Plug-In
- Full, programmatic control of the scenario
- Meta information of recognition results:
– Phonetic transcriptions – Confidence scores* – Alternative results*
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Tighter Integration: Write a Custom Command Plug-In
Demonstration
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Q & A
#kde-speech Peter Grasch peter@grasch.net
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