A LITTLE LISTENING, EVERY DAY
Hear the difference.
Listen. Choose. Compare again. Start with 20 questions.
Choose the word you hear.
Knowing how to make a sound and hearing its difference take separate practice.
Take your time. Listen, then compare.
Choose your settings to start a session.
Listen and choose the word you heard.
Play the audio to unlock the answers.
One voice first. Then try others.
Compare words in one voice, then mix speakers as you get comfortable. Track progress with AI voices separately from understanding new human speakers.
HEAR THE CONTRAST
Listen side by side.
Two words. The same speaker. Find the cues that help you hear the difference.
Uses practice recordings in the format selected on the Practice tab, including unreviewed clips.
YOUR LISTENING JOURNAL
See your progress.
Only your first answer counts. Compare sessions under the same conditions.
Records stay in this browser. Export them before clearing browser data. Audio files are not included in the export.
Heard test audio history is kept when records are cleared.
BUILD YOUR SOUND LIBRARY
Your audio library.
Practice with saved AI voices and add your own recordings.
Ready for repeat listening
Google Cloud voices are generated once and saved as audio files. Playing them here makes no new TTS API requests.
Practice automatically includes unreviewed clips. Assessments require reviewed, unused test recordings.
Add your recordings
Add both L and R in the same voice. Your uploaded files are stored in this browser for repeated practice.
Check permissions and licenses before using recordings. Only publish material you are allowed to share.
Bundled audio is loaded from audio/manifest.json.
Add a recording
Keep practice and test audio separate. Test recordings cannot be previewed here.