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Tools

Disclaimer

These software packages were developed at the National Institute of Standards and Technology by employees of the Federal Government in the course of their official duties. Pursuant to title 17 Section 105 of the United States Code this software is not subject to copyright protection and is in the public domain. These software packages are experimental systems.  NIST assumes no responsibility whatsoever for its use by other parties, and makes no guarantees, expressed or implied, about its quality, reliability, or any other characteristic. We would appreciate acknowledgement if the software is used. This software can be redistributed and/or modified freely provided that any derivative works bear some notice that they are derived from it, and any modified versions bear some notice that they have been modified.

This disclaimer does not apply to software packages listed below that were created by organizations other than NIST.

NameDescription

Evaluation Tools

SAD Scoring ToolSpeech Activity Detection (SAD) Scoring Software
SRE Scoring ToolNIST SRE Scoring Software
F4DE-3.5.0Framework For Detection Evaluations (includes CLEAR, TRECVid Event Detection, and AVSS Multi-Camera Person Tracking evaluation tools)
mteval-v14c-20190801.tar.gzmteval scoring script for machine translation evaluation, v14c
https://github.com/usnistgov/SCTKSpeech Recognition Scoring Toolkit (SCTK); includes the SCLITE, ASCLITE, tranfilt, hubscr, SLATreport and utf_filt scoring tools)
score_3.6.2.tgzSpeech Recognition Scoring Package(SCORE) Version 3.6.2
DETware_v2.1.tar.gzDET-Curve Plotting software for use with MATLAB.
gnu_detware.tgzDET-Curve Plotting software for use with gnuplot
ieeval0.6.tar.gz1998 Information Extraction - Named Entity (IE-NE) Scoring Software Version 0.6 contributed by SAIC
edt_.scorer.tar.gzDeveloped for ACE (EDT phase 1). Compares different ALEMBIC annotations for EDT phase1 task definition. Comparison is performed on ALEMBIC XML output files
seg_scr.v21.tgzGeneric time-based segmentation scorer with examples. Developed for the 2000 NIST speaker recognition evaluation
TDT3eval_v2.6Evaluation script suite for the TDT Evaluations

Language Technology Tools

CMUseg_0.5Acoustic Segmentation Software Version 0.5 contributed by CMU
aldistsm-1.2.tgzAlignment Distance Split Merge Program to perform phonologically-motivated split/merge alignment of word strings
tsylb2-1.1.tgz
sylbfilt.tgz
Syllabification software
addttp4-1.1.tgzText-to-phone software

Corpus Building Tools

spqa_2.3+sphere_2.5.tgzSpeech Quality Assurance (SPQA) Package Version 2.3 AND Speech File Manipulation Software (SPHERE) Package Version 2.5
ATLASArchitecture and Tools for Linguistic Analysis Systems

Contacts

Created December 1, 2009, Updated August 6, 2026
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