This page contains a collection of tools that may be useful in phonetics & phonology teaching and research. Check back for updates!

Illustrations of the International Phonetic Alphabet & phonological features 

• English phonemic transcription chart for matching symbols across conventions
• Master Phonological Features Chart by Jason Riggle
• iPA Phonetics: An iOS app for the International Phonetic Alphabet
• Interactive IPA Chart from the University of Victoria, Canada
• The real-time MRI IPA chart from USC’s span group
• Seeing Speech MRI IPA chart 
• Interactive map of Illustrations of the IPA
• UCLA Index of Sounds 
• ArticulatoryIPA YouTube Channel 
• Accents of English from Around the World with audio samples 
• eNunciate! visual language learning tool
• Rhyme Desk: find rhyming words via IPA transcription  
• SoundBar: hear and visualize the articulation of American English sounds

Acoustic analysis: Praat tutorials, scripting, and help 

• Praat: doing Phonetics by Computer 
• Mauricio Figueroa’s scripting manual & tutorials
• the Society for the Prevention of Cruelty to Vowels – tutorials & scripting help
• Praat scripting manuals 
• Praat Users List 
• NCSU Phonology Lab Script Repository – Praat and more
• Phonetics on Speed Praat Scripting Tutorial
• Praat Script Collection from Will Styler
• Praat-based Tools & Common Prosody Platform from Yi Xu
• ProZed Praat plugin, for rhythm & tonal aspects of speech 
• Prosogram: Pitch contour stylization based on a tonal perception model
• EasyAlign: phonetic alignment with Praat (Windows only) 
• A Tutorial on Extracting Formants in Praat by Joey Stanley 
• ToBI Annotation Environments for Praat & WaveSurfer 
• Praat Scripting Tutorial by Antje Schweitzer 
• Praat Vocal Toolkit – automated scripts for voice processing 
• Parselmouth: a Python library for Praat [article]
• Praat Tools: plugins for annotation, tokenizing, searching TextGrids, etc. 
• mausmooth, a Praat script for smoothing and extracting f0 contours 
• Draw TextGrid, a plugin for easier visualizations in Praat 
• Matt Winn’s Praat Scripts for a wide array of tasks 
• FastTrack, a Praat plugin for fast, accurate, (nearly) automatic formant-tracking 
• Praat manual for musicologists from Wim van der Meer 
• Praat script repository from Henning Reetz 
• Praat scripts from the Universitat de Barcelona 
• SpeCT, the Speech Corpus Toolkit for Praat
• Visible Vowels tool for plotting vowel spaces in a web browser 

Automating your transcription and acoustic analysis 

• Corpus Phonetics Tutorial from Elinor Chodroff 
• SPPAS – forced alignment in multiple languages with Praat TextGrid output
• WebMAUS – web-based forced alignment software from LMU
• AutoVOT – automatic voice onset time calculation
• P2FA and FAVE – software for forced alignment from UPenn
• syllabify: a tool for syllabifying ARPABET transcriptions
• the Prosodylab-Aligner for automated alignment [prosodylab github]
• Montreal Forced Aligner for automated alignment
• SWIPE’ pitch extractor software by Kyle Gorman
• DARLA – automated vowel formant extraction
• Kaldi ASR – a toolkit for speech recognition
• Formant Editor – a tool for improving formant-based analyses
• EMU-webApp – label, visualize, and correct speech and derived speech data 
• semiauto – plugin to improve efficiency of working in Praat
• praatalign: a plugin for interactive forced alignment 
• VoiceSauce – Matlab-based tool for voice quality analysis 
• UW CLOx – web-based automatic transcription tool [MacOS Version]
• Gentle – a robust yet lenient forced aligner 
• CREPE pitch tracker based on deep learning 
• DDKtor: software package for automatic measurement of VOT & vowels 
• Phonet toolkit for computing posterior probabilities of phonological classes from audio 
• LDC Broad Phonetic Class Speech Activity Detector for segmentation 

R resources 

• the R project 
• R Studio – an excellent GUI for R (install both R and R Studio)
• the vowels package for R and its web-based NORM interface
• the phonR package for normalization, etc. in R (new version!) 
• the phonTools package for R
• ggplot2: make beautiful plots in R! [top 50 ggplot2 visualizations]
• plyr: transform & summarize your data easily & automatically
• PraatR: access Praat from R by Aaron Albin
• readtextgrid: a package to read Praat TextGrids into R, by Tristan Mahr 
• stat-ellipse: plot ellipses, e.g. around points in a vowel chart (requires other packages)
• Rbrul, a tool for analyzing variation in linguistic data
• SWIPE’ for R: pitch extraction by Aaron Albin
• plot spectrograms in R by Aaron Albin
• Summary of Basic Statistical Tests in R from Stephanie Shih
• tuneR: analysis of music and speech 
• phonfieldwork package for phonetic fieldwork research and experiments (cf. Sound Viewer)
• speakr: an R-based wrapper for Praat, by Stefano Coretta 
• Generalized Additive (Mixed-Effects) Models in R: GAM(M) tutorials by Márton Sóskuthy and Marissa Barlaz 

Tools for transcription, data acquisition, management & analysis

• Linguistics Methods Hub [in development] 
• Open SLR: Open Speech & Language Resources
• Phonological CorpusTools (github) – “Take the stress out of corpus analysis!”
• Speech Corpus Tools – an application for interacting with large datasets
• LaBB-CAT, a repository for time-aligned audio & transcripts
• Phon: database management for audio corpora 
• EMU-SDMS: database management & searching of audio corpora
• Bavarian Archive for Speech Signals: tools for acoustic analysis
• {Deep} Phonetic Tools – machine learning applied to acoustic analysis
• Transcriber, a tool for labeling, segmenting & transcribing speech
• Berkeley Phonetics Machine, a VM with software for doing phonetics already installed
• FESTIVAL code snippets for speech synthesis
• Language Markup and Experimental Design Software, a web-based platform
• Polyglot DB, a Python package for storing and querying large speech corpora
• ELAN, linguistic annotation software  
• PennController software for online experiments 
• IPAtranscriptor, a Python tool for IPA transcription, suitable for blind users [JIPA article]
• FindingFive platform for online behavioral research 
• STRAIGHT, a speech analysis, modification and synthesis system
• Transcriptor fonológico multidialectal del español 

Phonological databases, tools, & corpora

• LAPSyD, the Lyon-Albuquerque Phonological Systems Database
• UPSID, an online version of the UCLA Phonological Segment Inventory Database
• South American Phonological Inventory Database, from UC Berkeley
• PHOIBLE Online – a repository of cross-linguistic phonological inventory data
• UMD’s Langscape: a portal to language diversity
• NIM, a “stimuli search engine” for psycholinguistics (Eng, Cat, Esp)
• UD Phonology Lab Stress Pattern Database – with Finite State utility
• learnLexicalConstraints, an online learner with lexically-specific phonological constraints
• Language Variation Suite for variationist quantitative data analysis
• IPhOD: the Irvine Phonotactic Online Dictionary
• World Phonotactics Database of over 4000 languages 
• Phonotactic Probability Calculator maintained by Michael Vitevitch
• Language Goldmine – databases & datasets (not just PhPh)
• Experigen – an online experiment platform

Spoken-language corpora (not exhaustive!) 

• SpeechBox, a web-based system for a large set of digital speech corpora
• Dynamic Dialects accent database with video speech samples 
• Atlas sonore des langues régionales de France – the North Wind and the Sun in many varieties
• Blog post on prosodically annotated corpora, focusing on English 
• Corpus of Regional African American Language, at the University of Oregon 
• Online Resources for African American Language, at the University of Oregon 
• Microcontact: Italian dialects spoken in the Americas
• DoReCo: Language Documentation Reference Corpus 

General phonetics & phonology resources 

• Phonetics Resources & Tutorials from the International Phonetic Association 
• Indiana University Phonetics Lab – an enormous compilation of resources
• Jen Smith’s phonetics page 
• Cristian DiCanio’s resources and scripts
• Val Systems: Josef Fruehwald’s blog
• VocalTractLab: speech production demos & more
• Pink Trombone: online voice synthesizer
• Sounds of Speech: speech articulation tutorial, with app 
• Interactive Sagittal Section by Daniel Currie Hall 
• eSpeak text to speech synthesizer 
• MBROLA – “Towards a Freely Available Multilingual Speech Synthesizer” 
• WaveSurfer – open-source tool for sound visualization & manipulation
• FalaBrasil recognition & synthesis tools for Brazilian Portuguese 
• WASP2 – Waveform, Annotations, Spectrogram & Pitch 

Using the IPA on your computer

• in Windows: Microsoft Word supports IPA symbols. Try Insert –> Symbol.
• in Mac OS: Install an IPA keyboard or use Charis SIL.
• No time to install? Type IPA phonetic symbols.
• Point and click IPA keyboard from Weston Ruter 
• Lexilogos IPA: multilingual keyboard 

Just for fun 

• Chrome Music Lab – Spectrogram: Colorful, multidimensional, animated visualizations of sound.
• Virtual Oscilloscope: visualize live sound input
• Glyph: a game to investigate the shapes of letters 
• Linguacuisine: learn a language while cooking a recipe! 
• Gramle: a spectrogram decoding game in the spirit of Wordle.