Useful support files

Sound Tools

• Wspot This program spots signal in an audio file, allowing to automate segmentation. It is nothing fancy: this program uses a simple threshold mechanism; yet it is efficient enough to segment high-quality recordings made in a sound-proof room)
• PRAAT. a comprehensive speech analysis, synthesis, and manipulation package.
• AFsp. utilities to convert between sounds file formats, filter, and resample sound files.
• CoolEdit (Windows, wav and pcm files)
• WinPitch (Windows)
• Bliss (Dos, edits adf files)
• Manitou (Dos, pcm files only. Warning: no documentation)

Data manipulation and analysis tools

To view or extract informations from result files and prepare data for analysis

• mawk : an interpreter of the awk language for DOS, a must-have for data mining!
• grep : extract lines that match a pattern
• GNU text utilities : sort, uniq, cat, wc, head, tail...
• less : a comprehensive text file viewer that also exists under un*x
• make : automates analyses

(note: all these files and their source code can be found in the SimTel archives)

To compute basic statistics

• |stats data manipulation & analysis programs for unix and msdos by G. Perlman
• count A quick way to extract means from a database (similar as Excel's pivot tables) by E. Dupoux (requires mawk)
• collapse/mystat: two tools "a la pipestat", to compute statistics from data files, applying various cutoff criterions ( ). (C sources and DOS exe included; Author: C. Pallier).
• datadesk statistical package (commercial)

Two documents about timing issues:

• pctim003.zip : A detailed FAQ of timing on the PC under DOS by Kris Heidenstrom (kheidens@actrix.gen.nz) (file found in the SimTel archives).
• rtpaper.zip : A paper on reaction-time measurements on the PC by John Mertus (mertus@brownvm.brown.edu) (original file at: ftp://jam.cog.brown.edu/pub/timing/).
• Notes on RT measurement from the keyboard

Unzip

• unzip 5.12 16-bits DOS
• unzip 5.20 32-bits (handles long file names)
• winzip (shareware)

You can find another page of software links on my home page.