OFFICIAL USER TUTORIAL

How to Use Halo Voices for Your Books

Once you have configured the Halo Engine, easily assign custom voice clones or studio personas to any eBook, PDF, or web novel.

Zero-Shot Cloning Multi-Actor Casting 3D Binaural Sound Pitch Preserved Speed

STEP-BY-STEP WORKFLOW

Activating Halo Engine for Any Book

Assign cloned voice models or studio personas to your active reading session in 4 simple taps.

STEP 01

Open Your Document

Open any imported EPUB, PDF, DOCX, TXT, or web novel chapter inside your AudiFlo Library.

Library → Tap Document Title

STEP 02

Open Voice Selector

Inside the active reading player, tap the Voice Engine Selector button in the top player bar.

Player Bar → Engine Selector

STEP 03

Select Halo Engine

Switch the active engine from System TTS to Halo AI Speech Engine.

Engine Menu → Halo Engine

STEP 04

Select Persona or Clone

Choose a pre-loaded studio persona (Bella, Adam, Nicole, Michael) or one of your cloned voices.

Select Voice Profile → Apply

ADVANCED FEATURES

Speed Controls & Multi-Character Audio Dramas

Elevate your listening experience with pitch-preserved speed scaling and spatial 3D audio.

PITCH-PRESERVED SPEED

Speed Controls (0.5x � 3.0x)

Adjust speech playback speed smoothly up to 3.0x without pitch distortion, robotic audio artifacts, or stuttering on mobile hardware.

CHARACTER VOICE CASTING

Assign Unique Voices per Character

Open the Character Voice Sheet in Player Settings. Assign distinct Halo personas or cloned voices to story characters for a multi-actor drama experience.

3D SPATIAL SURROUND

Headphones Binaural 3D Audio

Enable Binaural 3D Surround Sound to position character dialogue dynamically around your head (Left, Center, Right) during headphone listening.

READY TO LISTEN WITH HALO ENGINE?

Try Halo Voices Free on Android

Download AudiFlo on Google Play and start assigning cloned voices to your book library.

Download Free on Google Play → View Setup Guide →