Sounds of Speech™

University of Iowa Research Foundation

Download Sounds of Speech™ APK

Rating 4
Category Educational
Package name edu.uiowa.uirf.soundsofspeech
Downloads 100+

Sounds of Speech™ Description

New Version (February 2016) includes:
- New improved interface (including Tablet improvements)
- English Dictionary search
- Text translations for: Spanish, Korean, Chinese (Simplified and Traditional) (English version only)

Future updates will contain a speech anatomy section.

This application was originally designed at the University of Iowa to help students learning how the sounds of different languages are produced. Since its production, it has become a milestone for phonetics teaching tools around the globe.


Sounds of Speech™ provides a comprehensive understanding of how, physiologically, each of the speech sounds of American English is formed. It includes animations, videos, and audio samples that describe the essential features of each of the consonants and vowels of American English. Sounds of Speech™ is especially useful for students studying English as a second language. Features include:

- A real-time animated articulatory diagram for each consonant and vowel.
- An annotated step-by-step description of how each speech sound is produced.
- Facial view video (not available for Android 2.2 and 2.3) and audio samples for each speech sound.
- Navigation that reflects the classification of consonants by manner, place or voicing and of vowels by tongue position.
- An interactive diagram of the articulatory anatomy.
- Ability to see and hear native speakers pronounce sound for each consonant and vowel.

Please send any questions or issues to soundsofspeech.uiowa@gmail.com.

(If you bought the version prior to Jan 2nd 2014 and would like an update to the newest version please contact us at uirf@uiowa.edu, thank you and we apologize for the inconvenience )

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Sounds of Speech™ APK FAQ

Is Sounds of Speech™ safe for my device?

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Yes, Sounds of Speech™ follows the Google Play content guidelines to ensure safe use on your Android device.

What is an XAPK file, and what should I do if the Sounds of Speech™ I downloaded is an XAPK file?

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A file with .xapk extension is a compressed package file. It is a container file format that incorporates APK and additional associated files required for the installation. The XAPK format was introduced to package the APK file and OBB file together for a seamless delivery and installation process. XAPK format can help reduce the package size of application. On mobile phones, users need to install the XAPK installer first, and then install XAPK files through that installer. You can find the installer here:https://apkcombo.com/how-to-install/. But on PC client, you just need to put the file on LDPlayer.

Can I play Sounds of Speech™ on my computer?

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Yes, you can play Sounds of Speech™ on your computer by installing LDPlayer, an Android emulator. After installing LDPlayer, simply drag and drop the downloaded APK file into the emulator to start playing Sounds of Speech™ on PC. Alternatively, you can open the emulator, search for the game or app you want to play, and install it from there.

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