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View 4.0 - Release Notes

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file name
julius_4.0_-_Notes
last update
2007-12-19 15:59
type
Plain Text
editor
LEE Akinobu
description
4.0 - Release Notes
language
English
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The Julius rev.4.0 is a full major version up, a re-innovation of the
decoder as a flexible speech recognition engine.  The internal
structures are re-organized and modularized thoroughly, which results
in the librarization of core engine, enhancement and unification of
language model, realization of multi-decoding with hot plugging
feature.  The major features are listed below:

 - Engine core becomes separate C library with simple API
 - Can handle various LM, thus Julius and Julian are integrated
 - Multi-decoding with multiple models
 - Support to add and remove models while running the decoder
 - Support N-gram longer than 4 (N now unlimited)
 - User-defined LM function
 - Confusion network output
 - GMM-based and decoder-based VAD
 - New tools added, new functions added
 - Memory efficiency is improved

Julius-4.0 ensures the compatibility with Julius-3.x for its usage and
Jconf configuration, so that one can easily migrate to Julius-4.
The decoding performance of Julius-4.0 is still kept as the same as
the latest release (Julius-3.5.3) for now.