Voxal
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Voxal Blog

Practical guides and technical deep dives on push-to-talk voice, peer-to-peer calls, virtual backgrounds and privacy, from the people building Voxal.

A person using Voxal at their desk, with a video participant appearing against a tropical island virtual background.

Real-Time 3D Virtual Backgrounds for Video Calls

Voxal's 3D virtual backgrounds are live scenes drawn on your device, lit around you and redrawn by peers on direct calls. How they work and their limits.

  • Video and virtual backgrounds

All articles

Two people wearing headphones at their laptops, with an illustrated globe and connected audio waveforms between them.

What Is Peer-to-Peer Voice Chat?

Peer-to-peer voice chat sends audio directly between devices, not through a media server. See how it works, what it means for privacy, and where it has limits.

  • Peer-to-peer and architecture
A streamer wearing headphones speaks into a microphone while a glowing world map shows remote participants connected across continents.

WebRTC, SFUs, and Voice Codecs Explained

How WebRTC carries audio, how Opus compresses voice, and when group video needs an SFU. A developer guide with Voxal's architecture and RFC references.

  • Developer deep dives
A finger pressing a glowing microphone key on a backlit keyboard, with headphones and a podcast microphone in a neon-lit workspace.

What Is Push-to-Talk? A Practical Guide

Push-to-talk opens your mic only while you hold a key. Learn how it works, how it compares with open mic, and when to use it for gaming, work or shared rooms.

  • Voice and push-to-talk