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public ? FAQ says: ? Esps: prehensive set of speech analysis/processing tools ? Waves is a graphical frontend for speech processing (waveforms, spectrograms, pitch) includes a signal labeling utility 13 14 Esps – waves ? pros: powerful, designed for big files, ? cons: UNIX only (free BSD), not standard formats, requires programming skills, development has stopped 15 Praat ? Developed by and at the Institute of Phoic Sciences, University of Amsterdam ? general purpose speech tool : edition, segmentation and labeling, prosodic manipulation 16 17 Praat ? pros: designed for speech analysis (not only sound edition or spectrogram visualization), nice GUI, scripting, active development and munity, prosodic manipulation ? cons: limited scripting language, native format of transcription and pitch files 18 WaveSurfer ? Open Source tool for sound visualization and manipulation ? speech/sound analysis and sound annotation/transcription ? platform for more advanced/specialized applications: extending WaveSurfer with new custom plugins or embeddin