What is new

Since the last public release, 1.0.1, October 1997, there have been a number of enhancements to the library system

@bullet{New utterance structure}

The utterance structure now consists of EST_Relations and EST_Items. EST_Streams have been replaced by EST_Relations, and EST_Items replace EST_Stream_Items. What where called relations have been deleted. This new architecture allows the proper treatment of trees where streams were restricted to simple lists.

@bullet{New signal processing}

A complete over-haul of the signal processing modules has produced a much more consistent set of functions. This includes full analysis functions for creating Festival's diphone databases.

@bullet{Splitting of dependencies}

A better split of files and dependencies means (mostly) only the necessary files get linked making most of the binaries smaller.

@bullet{Shared libraries}

Support for shared library compilation of many systems allowing for smaller binaries and linking with Java.

@bullet{Stats improvements}

The addtion of an OLS (ordinary least squares) program for linear regression. Improvements to Wagon the CART tree builder, it now trains better, and offers more useful options to better optionmise its features. A separate test/prediction program has also been added.

@bullet{Stochastic context-free grammars}

Suppose for constructing, training and parsing with probabilistic context free grammars.

@bullet{Weighted finite-state transducers}

A library of functions for build WFSTs from regular grammars, regexs, and Kay/Kaplan two level morphology rules. Basic operations such as determinize, minimize, compose, concatenate, union and intersection etc. are also included.

@bullet{C++ class documentation}

We now include documentation on a per class basis using the DOC++ system. This has improved the coverage and quality of low level documentation for all classes in the system.

@bullet{Tilt Analysis/Resynthesis}

For intonation analysis the tilt code has be complete rewritten.

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