Braga Software: Vovan

The software first listens to the raw input (the prankster’s natural voice). It uses a Speech-to-Text (STT) engine not to transcribe words, but to map the prosody—the rhythm, stress, and intonation. Simultaneously, it extracts MFCCs (Mel-frequency cepstral coefficients), which are unique acoustic fingerprints of the target voice they wish to mimic.

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This is the core. Instead of simply shifting the pitch, the software uses a Generative Adversarial Network (GAN) or a Variational Autoencoder (VAE). The prankster’s speech is fed into a model trained on hours of the target’s voice (e.g., recorded speeches of a politician). The AI generates new waveforms that sound like the target saying the prankster’s words. The software first listens to the raw input