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Image text to speech in Raspberry Pi

Updated: Mar 17, 2023

To convert image text to speech on a Raspberry Pi, you can follow these general steps:


  1. Install the necessary software libraries:

    • Tesseract OCR: a free open-source optical character recognition (OCR) engine

    • eSpeak: a compact open-source software speech synthesizer

You can install these libraries using the following commands: csharp sudo apt-get install tesseract-ocr sudo apt-get install espeak

  1. Take a picture of the text you want to convert using a camera connected to your Raspberry Pi. You can use the fswebcam library to capture the image: sqlCopy code sudo apt-get install fswebcam fswebcam -r 640x480 --no-banner image.jpg This captures an image with a resolution of 640x480 pixels and saves it to a file called image.jpg.

  2. Use Tesseract OCR to extract the text from the image. You can do this using the following command: lua tesseract image.jpg output -l eng This extracts the text from the image and saves it to a file called output.txt.

  3. Use eSpeak to convert the text to speech. You can do this using the following command: lua espeak -f output.txt This converts the text from the output.txt file to speech and plays it through the default audio output of your Raspberry Pi.

That's it! You should now hear the text from your image spoken out loud.

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