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COG

English
Average: 4 (1 vote)
Cog is a tool for comparing languages using lexicostatistics and comparative linguistics techniques. It automates the process of comparing word lists from different language varieties. This is an alpha test version, so not ready for full use;.
 
The webpage includes a demonstration video on the program. 

 

Speech Analyzer

English
Average: 5 (2 votes)

Speech Analyzer is a computer program for acoustic analysis of speech sounds. You can use it to do the following tasks:

  • Perform fundamental frequency, spectrographic and spectral analysis, and duration measurements.
  • Add phonemic, orthographic, tone, and gloss transcriptions to phonetic transcriptions in an interlinear format.
  • Perform ethnomusicological analysis of music recordings.
  • Use slowed playback, repeat loops and overlays to assist with perception and mimicry of sounds for language learning.