SpekNote is an application that allows you to convert text into human voice without the need for internet (offline), which you can listen to even with the screen off, in addition to having a built-in text editor with tools and shortcuts so you can create text quickly .
SpekNote is a powerful tool that will be of great help in your studies, you can now write anything and listen to it as any audio and repeat it as many times as you want.
You can also create several texts and organize them in folders, and then you can listen to them as a playlist.
SpekNote has a simple interface that won't take you long to master.
Other functions:
-Change the type of voice, language, speed, pitch, etc.
-Powerful text editor, with tools made to create an idea quickly.
-Playback as playlist or repeat.
-Put ratings or icons in the description of each text.
-Customizable word shortcuts, which will allow you to use short words to represent long words, such as next -> next.
-Backup function.
-Sort the list of audio texts according to rating, date, size, order, etc.

Stop listening to voice audio only while the screen is on, with SpekNote you can listen to your voice audio with the screen off or working in another application, which you can also pause, go next/previous with the controls of your Bluetooth hearing aid.