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Sparrowhawk - Release 1.0 Sparrowhawk is an open-source implementation of Google's Kestrel text-to-speech text normalization system. It follows the discussion of the Kestrel system as described in: Ebden, Peter and Sproat, Richard. 2015. The Kestrel TTS text normalization system. Natural Language Engineering, Issue 03, pp 333-353. After sentence segmentation (sentence_boundary.h), the individual sentences are first tokenized with each token being classified, and then passed to the normalizer. The system can output as an unannotated string of words, and richer annotation with links between input tokens, their input string positions, and the output words is also available. REQUIREMENTS: This version is known to work under Linux using g++ (>= 4.6) and MacOS X using XCode 5. Expected to work wherever adequate POSIX (dlopen, ssize_t, basename), c99 (snprintf, strtoll, <stdint.h>), and C++11 (<unordered_set>, <unordered_map>, <forward_list>) support are available. You must have installed the following packages: - OpenFst 1.5.4 or higher (www.openfst.org) - Thrax 1.2.2 or higher (http://www.openfst.org/twiki/bin/view/GRM/Thrax) - re2 (https://github.com/google/re2) - protobuf (http://protobuf.googlecode.com/files/protobuf-2.5.0.tar.gz --- see e.g. http://jugnu-life.blogspot.com/2013/09/install-protobuf-25-on-ubuntu.html) INSTALLATION: Follow the generic GNU build system instructions in ./INSTALL. We recommend configuring with --enable-static=no for faster compiles. NOTE: In some versions of Mac OS-X we have noticed a problem with configure whereby it fails to find fst.h. If this occurs, try configuring as follows: CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/local/lib ./configure USAGE: Assuming you've installed under the default /usr/local, the library will be in /usr/local/lib, and the headers in /usr/local/include/sparrowhawk. To use in your own program, include <sparrowhawk/normalizer.h> and compile with '-I /usr/local/include'. The compiler must support C++11 (for g++ add the flag "-std=c++11"). Link against /usr/local/lib/libsparrowhawk.so and -ldl. Set your LD_LIBRARY_PATH (or equivalent) to contain /usr/local/lib. The linking is, by default, dynamic so that the Fst and Arc type DSO extensions can be used correctly if desired. DOCUMENTATION: See ./NEWS for updates since the last release.