ArcSAMPLING

Resources

Free tools for speech and language sampling

Use these tools to support your sample analysis. Each includes instructions and scoring details to help you review the results.

Phonology Percent consonants correct (PCC) calculator

Start with a transcript and check the child’s productions against your recording. Calculate PCC and review consonant-by-consonant results.

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More tools coming soon.

Browse sampling guides and topics →

The calculator is just the beginning.

Arc is being built to keep pronunciation review alongside your recording and transcript—and carry the results into your report.

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An octopus at a laptop, holding a transcript and a report in two of its other arms.