Voice messages + distortion
Anonomi supports voice messages in addition to text and images.
Voice can be faster and more expressive — but it also carries unique risks.
This page explains how voice messaging works and how voice distortion can reduce (but not eliminate) identification risk.
Voice messages
Section titled “Voice messages”Voice messages let you communicate when typing is slow, impractical, or unsafe.
They are:
- End-to-end encrypted like other messages
- Delivered using the same transport modes (Tor or offline)
- Stored only on participating devices
However, voice carries biometric information by nature.
Why voice is risky
Section titled “Why voice is risky”Unlike text, your voice can reveal:
- Identity through vocal characteristics
- Emotional state
- Stress, fear, or coercion
- Accent or regional markers
Even short samples can sometimes be used for identification.
For this reason, Anonomi treats voice as higher-risk than text by default.
Optional voice distortion
Section titled “Optional voice distortion”Anonomi includes an optional voice distortion mode designed to reduce the risk of voice recognition.
When enabled:
- Audio is dynamically transformed before sending
- Distortion is applied automatically to outgoing voice messages
- The goal is to make voice matching and reconstruction harder than simple pitch shifting
This is a risk-reduction tool, not a guarantee.
Voice distortion does not make you anonymous.
It reduces recognizability under realistic threat models.
How to enable voice distortion
Section titled “How to enable voice distortion”Voice distortion is controlled per contact, not globally.
To enable it:
- Open a conversation with the contact
- Tap the three dots in the top-right corner
- Open Contact Settings
- Enable Distorted Audio Messages
Once enabled, all voice messages you send to that contact will be distorted automatically.
See: Contact Settings
When to use distortion
Section titled “When to use distortion”Consider enabling distortion when:
- The contact does not need to recognize your voice
- You are operating under increased surveillance risk
- Voice identification would create personal danger
- You want different behavior for different contacts
You can safely mix:
- Distorted voice for some contacts
- Clear voice or text-only communication for others
Limitations and expectations
Section titled “Limitations and expectations”- Distortion applies only to voice messages
- Incoming audio is not altered
- Distortion does not protect against all forms of analysis
- Strong operational security still matters
For higher-risk situations, consider:
- Text-only communication
- Offline transports
- Panic workflows and stealth features