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**To synthesize text**
The following ``start-speech-synthesis-task`` example synthesizes the text in ``text_file.txt`` and stores the resulting MP3 file in the specified bucket. ::
aws polly start-speech-synthesis-task \
--output-format mp3 \
--output-s3-bucket-name amzn-s3-demo-bucket \
--text file://text_file.txt \
--voice-id Joanna
Output::
{
"SynthesisTask": {
"TaskId": "70b61c0f-57ce-4715-a247-cae8729dcce9",
"TaskStatus": "scheduled",
"OutputUri": "https://s3.us-east-2.amazonaws.com/amzn-s3-demo-bucket/70b61c0f-57ce-4715-a247-cae8729dcce9.mp3",
"CreationTime": 1603911042.689,
"RequestCharacters": 1311,
"OutputFormat": "mp3",
"TextType": "text",
"VoiceId": "Joanna"
}
}
For more information, see `Creating long audio files <https://docs.aws.amazon.com/polly/latest/dg/longer-cli.html>`__ in the *Amazon Polly Developer Guide*.
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