These libraries implement various formats for speech data. They are now being hosted at the salsa.debian.org reposity.
HAVS is a gui annotation editor to Hear Annotate and View Speech. It visualizes and auralizes the allignment of an annotation against its speech waveform encoded in the ALingA format. The data stream may also contain derived signals like spectrograms and neurograms for viewing. It makes use of all the libraries listed above. It has yet to be born again in c++ from its prior incarnation in java.