Blogs from Protoface

Learn how Protoface powers AI workflows with better pricing on generative media models.

Cover showing an AI video prompt split into seven parts: subject, action, setting, camera, lighting, style and audio

AI Video Prompt Examples and How to Write Your Own

You have a clip to make and a blank prompt box. Copy a prompt that fits the job, then learn the order of parts that lets you write the next one yourself.

An empty cinema with red seats and a projector beam cutting through haze

What Is a Concept Trailer and When Should You Make One?

You have an idea nobody can picture yet. A concept trailer shows it in a minute or two, if you make it for the right audience at the right time.

Cover showing the three AI video pricing models: subscription, pay as you go credits and API billing

AI Video Generator Pricing: Quotas, Credits and Budgets

You are choosing or budgeting for an AI video tool. Compare how each one charges, then work out what a finished minute costs your team.

An outdoor film set at dusk with a camera crane, a green screen and crew in silhouette

How to Plan a Hybrid AI and Live-Action Shoot

You have one shoot day and a script that needs three locations. Split the shot list first, then film so the generated shots cut in cleanly.

The same landscape photograph hung at three sizes on a white gallery wall

WebRTC Simulcast: Bandwidth Adaptation for Live Video

Some of your viewers are on fiber and some are on a train. Send three layers, let the SFU pick one per viewer, and check that each layer is really on the wire.

Cover comparing three WebRTC architectures: P2P mesh, SFU and MCU

What Is a WebRTC SFU? SFU vs P2P vs MCU Explained

You are deciding how media should flow in a call, maybe one with an AI agent or avatar in it. Count the endpoints, then pick the topology.

Aerial view of a railway yard where one track splits into many

Load Balancing WebRTC Sessions Across Servers

One media server is full and you need a second. Split signaling from media, pin each session to a server, and scale without cutting live calls.

Two neon speech bubbles, one pink and one blue, glowing on a dark brick wall

Code-Switching in Voice Agents: Handling Mixed Languages

Your callers mix two languages in one sentence and the agent trips. Fix it stage by stage, then prove it with a test set you can rerun.

Strips of 35mm film on a lightbox with a magnifying loupe

Sending Video Frames over WebRTC: Python and Node Guide

Your server renders frames and a browser has to play them live. Put them on a video track, and WebRTC handles encoding, pacing and loss.

Cover comparing LiveKit as a media platform with a raw WebSocket as a pipe, and when to pick each

LiveKit vs WebSocket for Realtime Voice and Video Apps

You need live audio between a user and an agent. Decide whether a managed room or your own socket carries it, and what each one leaves you to build.

Hands testing a circuit board with multimeter probes under a desk lamp

WebRTC Troubleshooting: ICE, Autoplay and Audio Failures

Your call will not connect, or it connects and stays silent. Find the layer that failed in a few minutes, then apply the matching fix.

Round analog gauges on an aircraft cockpit instrument panel

OpenTelemetry for GenAI Voice and Avatar Apps

Your agent feels slow and you cannot say which stage is to blame. Trace each turn with standard GenAI spans and add the avatar spans the conventions leave out.

Cover comparing WebRTC over UDP for live audio and video with WebSocket over TCP for ordered data, and using both together

WebRTC vs WebSocket: Which to Use for Realtime AI

You are picking a transport for a voice agent or avatar. Decide by what travels on each hop, then wire the two together.