COMPREHENSIVE FEATURE GUIDE & DIRECTORY

Discover Everything Inside AudiFlo

From Custom Voice Cloning and Binaural 3D Surround Sound to 4 distinct Audio Player Modes and encrypted .aflo package sharing — explore what makes AudiFlo the ultimate reading app.

100% Offline AI Voices 4 Listening Modes Custom Voice Cloning Binaural 3D Audio
CHAPTER 2 • THE GUARDIAN ? HALO ENGINE 3D AUDIO
The Awakening of the Chronicle
A figure emerged from the shadows—tall, ancient, with eyes that had seen millennia pass.
Guardian: "You have awakened the Chronicle. For this, there is no return."
04:12 / 22:45 • Speed 1.2x
FORMAT COMPATIBILITY & WEBSITES

1. Getting Started & Content Import

Broad file compatibility, system integration, and continuous web novel reading.

Supported Ingestion Formats

EPUB (Images & Covers) PDF (OCR Scan Support) DOCX Documents Plain Text (.TXT) Web Novels & Web Pages Clipboard Instant Paste Scripted Dialogue Format Encrypted .aflo Packages
1

System-Wide "Share to AudiFlo"

Select any PDF, EPUB, DOCX, or text snippet in Chrome, WhatsApp, or Google Drive and tap "Share to AudiFlo" for instant import into your library.

2

In-App Browser & Web Novels

Browse online web novels inside AudiFlo. The smart engine auto-detects "Next Chapter" links to paginate multi-page novels into seamless continuous audio.

3

Multi-Lingual Header Parsing

Automatically recognizes international chapter headers (Japanese ?1?, Spanish Capítulo, French Chapitre, German Kapitel, Hindi ??????).

ZERO-SHOT LOCAL VOICE CLONING

2. Ultra-Realistic AI Voices & Custom Voice Cloning

Natural expression, 100% offline synthesis, and personalized voice creation.
HALO ENGINE Studio Quality

Custom Voice Cloning

Record your own voice inside AudiFlo or upload a short audio clip to generate studio-quality cloned voice profiles that read your entire book library.

ORION ENGINE 100% Offline AI

Lightweight Neural Engine

Run neural AI voices completely on-device with zero mobile data usage, zero cloud streaming latency, and maximum privacy protection.

How Zero-Shot Voice Cloning Works On-Device:

Step 1: Audio Input Record 10 seconds of clear speech or import an MP3/WAV file.
Step 2: Neural Extraction AudiFlo extracts acoustic pitch, tone, and vocal characteristics locally.
Step 3: Instant Playback Assign your new voice model to any narrator or book character.
ADAPTIVE LISTENING MODES

3. Four Ways to Listen: Audio Player Modes

Tailored interfaces for interactive studying, multi-character dramatizations, music vibe, or low-battery reading.
KARAOKE STUDYING

Narrative Player

Real-time karaoke sentence highlighting, smooth auto-scroll, custom font scaling, line spacing controls, and tap-sentence navigation.

Current sentence highlighted in real-time karaoke blue.
MULTI-VOICE DRAMA

Character Player

Full audio drama experience. Assigns distinct AI voice actors to characters with narrator separation and Binaural 3D Surround Sound.

His voice echoed through the hall like thunder.
Guardian: "I am the Keeper..."
GENAI MUSIC VIBE

GenAI Lyrical Player

Converts books and documents into a stylish music-player interface with synchronized scrolling lyrics and equalizers.

SYNCED LYRICS VIEW
[ 03:14 ] Audio Waveform Active
ULTRA-LIGHT SAVER

Simple Player

Minimalist player with ultra-low battery and RAM overhead, ideal for background listening during workouts or long commutes.

Minimal Battery Overhead
? Lock Screen Widget Ready
SPATIAL HEADPHONE AUDIO

4. Multi-Character Voices & Binaural 3D Surround

Turn plain text books into realistic 3D audio dramas around your head.

Binaural 3D Sound positioning when wearing headphones:

AudiFlo automatically positions character voice actors around your head in 360-degree surround sound.

LEFT CHANNEL Voice Actor 1 (e.g. Hero)
CENTER SOUNDSTAGE Narrator Voice
RIGHT CHANNEL Voice Actor 2 (e.g. Dialogue)

Auto Character Detection

Analyzes text to detect dialogue quotes and character names automatically.

Global Character Manager

Save character voice assignments so voice profiles persist across book series.

PHONETIC DICTIONARY & PACING

5. Custom Pronunciation & Advanced Speech Timing

Fine-tune acoustic pacing, symbols, and regular expression replacement rules.

Regex Pronunciation Rules

Create powerful Regular Expression (Regex) replacement patterns to fix complex word pronunciations.

// Sample Regex Dictionary Rule:
Match: \b(Dr\.)\b
Replace: "Doctor"

One-Tap Unit Presets

Import pre-built dictionaries for standard abbreviations and unit measurements.

kg → kilograms km → kilometers $ → dollars °C → degrees Celsius

Millisecond Heading Pauses

Adjust exact pause duration (in ms) after headings, paragraphs, and sentence stops for natural acoustic pacing.

Heading Pause: 800 ms • Paragraph Silence: 400 ms
ORGANIZATION & PRIVACY

6. Library Continuity, Encrypted Sharing & Storage

Series auto-grouping, encrypted package exports, and storage management.

Series & Author Grouping

Automatically groups multi-volume book series together in your library, sorting by volume sequence or author name.

Encrypted .aflo Sharing

Export books, text, and voice mappings into encrypted .aflo package files to share with friends via chat apps.

Highlights, Notes & Bookmarks

Highlight passages in Yellow, Green, Blue, or Pink, attach personal notes, and save bookmarks with context snippets.

Storage Breakdown & Reclaim

Inspect storage breakdown and reclaim space with 1-tap cleanup for downloaded voice models and audio caches.

FEATURE MATRIX

7. Complete Feature Capability Matrix

See how AudiFlo stacks up against paid alternatives.
Feature Capability AudiFlo Features
AudiFlo Status BEST
Paid Alternatives
Supported Formats EPUB (Images & Covers), PDF (OCR), DOCX, TXT, Web Novels, .aflo Packages ? Included Free ? Limited / Extra Cost
Import Methods Local File Picker, System "Share to AudiFlo", Smart Web Browser Next Chapter ? Full Support ? Basic Import Only
Audio Player Modes 4 Modes: Narrative (Karaoke), Character (Drama), GenAI Lyrical, Simple Saver ? 4 Modes Included ? 1 Basic Player
Custom Voice Cloning Zero-Shot Voice Cloning via in-app mic recording or audio file upload ? Free / Earn via Referral ? $15+/mo Sub
3D Headphone Audio Binaural 3D Surround Sound with Immersive Soundstage ? Free / Earn via Referral ? Not Available
Phonetic Dictionary Regex Pronunciation Rules, Unit Presets (kg, $), Millisecond Pauses ? Included Free ? Basic / None
On-Device Privacy 100% Offline AI Engines with AES-256-GCM encrypted local storage ? 100% Private ? Cloud Upload

* AudiFlo's core reading app is 100% free with zero ads. Custom Voice Cloning and 3D Surround Audio can be unlocked 100% free (up to 4 months) by inviting friends via the Referral Program or through optional add-on passes.

READY TO START LISTENING?

Experience the Power of AudiFlo Today

Download AudiFlo on Android and start listening to your books, documents, and web novels with custom voice cloning.