If you are looking for a specific study on or audio processing for Android, I can help you find papers on those broader technical topics instead.
There is a separate, unrelated mobile app specifically named on Android. Il Vocodex Android
It is widely considered one of the best-sounding vocoders available due to its detailed articulation and spectral analysis. 2. Vocodex (by Coding Minds Academy) Introduction to Vocodex on Android speech synthesis If
It functions as a voice processing app that allows users to apply various effects to audio. Creare effetti vocali per la musica o per