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Harvard Sentences: Complete List, Examples, Generator, IPA, and TTS Tool

Browse all 720 phonetically balanced Harvard Sentences with IPA transcriptions, examples, list filtering, text-to-speech playback, random sentence generation, CSV export, and a downloadable PDF list.

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Export the current Harvard Sentences list, copy it into a test protocol, or generate a random sentence/list for voice recording, speech intelligibility testing, ASR checks, and TTS evaluation.

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The birch canoe slid on the smooth planks.

/ðə bɜrtʃ kəˈnu slɪd ɑn ðə smuð plæŋks/

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Complete Harvard Sentences List

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The birch canoe slid on the smooth planks.

What are Harvard Sentences?

Harvard Sentences are phonetically balanced English sentences used for speech intelligibility testing, audio equipment checks, hearing research, voice recording, text-to-speech evaluation, and speech recognition testing. The corpus contains 720 sentences arranged into 72 lists of 10 sentences each.

Complete list, PDF, CSV, and random generator

This page includes the complete Harvard Sentences list in a searchable browser tool. You can filter by numbered list, copy a selected list, download PDF or CSV files, generate a random Harvard sentence, pick a random list, view IPA transcriptions, and play sentences with browser text-to-speech.

How to use Harvard Sentences for testing

For a short speech test, choose one numbered list and play or record all 10 sentences under consistent conditions. For broader phonetic coverage, use multiple lists. Keep microphone position, playback volume, speaking style, and background noise consistent so changes in intelligibility reflect the system being tested rather than the test setup.