Build a better pronunciation benchmark.

You’ll record a guided set of words, phrases, and sentences. Each approved take is securely stored on this host and matched to its exact benchmark label.

01

Check your mic
A quick recording confirms clear input.

02

Follow each prompt
Listen, read, record, and review.

03

Resume anytime
This browser remembers your session.

Before you begin

Create your speaker profile

Use a nickname or study ID. Please don’t enter sensitive personal information.

Speaker label required

Native language required English level required

Accent or region optional I consent to recording and storing my voice for pronunciation-model research.

1 Microphone check

LET’S MAKE SURE WE CAN HEAR YOU

Say “one, two, three”

Allow microphone access, then record a short test in your normal speaking voice.

00:00

🔒 Your browser only records while the red button says “Stop recording.”

RECORDING SESSION

Keep a natural pace and volume

Auto-play examples

0/ 192 complete

Word Natural pronunciation Prompt 1

INSTRUCTION

PRONUNCIATION EXAMPLE

Slower

SAY THIS

Ready when you are

00:00 Hold Space or the button · release to save and continue

✓

SESSION COMPLETE

Every prompt is recorded.

Thank you. Your labeled recordings are saved on the host and included in both JSON and CSV dataset manifests.

192recordings

48 kHzmono WAV

100%complete

Download JSON manifest Download CSV manifest

Speaker session: