The TTS library in Arduino is not clear, but in Android the sound is pure using TTS library that supports the languages
the question How is that sound received
As shown in the picture
You need to be more specific with your question and link to where that picture came from. Is this your work or an image you found with someone elses project?
In general, the answer is by a device (the green thing in the picture) that supports the A2DP protocol.
what are you trying to do with this project?
Where is your project currently failing?
The image has been modified
What is the code for receiving tts voice?
This app using TTS library ,reads texts
https://www.b4x.com/android/forum/attachments/tts-apk.6764/
https://www.b4x.com/android/forum/threads/android-text-to-speech-example.7043/
But I'm still not entirely sure what your question is.
if your question is just how to receive any audio via bluetooth on a microcontroller there is code to do that on ESP32 microcontrollers.
The fact that it is TTS is not relevant unless you want to do the text to speech processing on the microcontroller. But my guess is that you're better off letting the phone do that.
You need to tell us more about the project because it is unclear to me what the relevance of the microcontroller is.
- What is the microcontroller doing?
- Why not just do a direct Bluetooth connection to a Bluetooth speaker?
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