ENGINEERING GUIDES

Broadcast & XR Technical Guides

In-depth articles written for broadcast engineers and virtual production teams. Practical workflows, planning guidance, and direct links to the right tools.

OBS / A/V Sync

OBS audio sync explained

Practical guidance for fixing OBS mic delay and lip sync issues. Covers fixed delay, measurement, Sync Offset, and what to verify before trusting the result.

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A/V Sync

How to Fix AV Sync in Live Production

Diagnose and fix lip sync errors in OBS, vMix, TriCaster, Dante, and NDI workflows. Includes EBU R37 tolerance values, capture card latency benchmarks, and per-system fix instructions.

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NDI / AV-over-IP

NDI Bandwidth Explained

NDI High Bandwidth vs HX3 vs HX2 — bandwidth, latency, and codec architecture compared. Unicast vs multicast switching strategy, IGMP Snooping configuration, and NDI vs SMPTE 2110 decision framework.

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XR / Unreal Engine 5

How to Match Real Cameras in Unreal Engine 5

Complete guide to sensor matching, FOV formula, nDisplay inner/outer frustum configuration, LiveLink tracking setup, and latency compensation for LED volume in-camera VFX productions.

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IP Video / SMPTE

What is SMPTE ST 2110? (vs NDI)

The ultimate transition from SDI to IP. Learn why top-tier broadcasters use SMPTE 2110 to split uncompressed video, audio, and ancillary data across 25GbE networks.

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Streaming Protocols

SRT vs RTMP for Live Contribution

Technical comparison of SRT and RTMP. Learn why the broadcast industry relies on SRT's UDP+ARQ buffer for remote contribution over unpredictable public internet.

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Audio over IP

Dante vs AES67: Unifying Audio Networks

Unpacking the differences between the proprietary Goliath of live sound and the open-standard architecture. Learn about PTP clocking, QoS DSCP mappings, and SAP discovery.

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Video Engineering

Broadcast Video Codecs Explained

A direct technical breakdown of Intra-frame vs Long-GOP compression logic. Decide between H.264/HEVC delivery codecs versus ProRes and DNxHR.

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Network Architecture

IGMP Snooping & Multicast Routing

If you run Dante or multicast NDI on generic switching without the right controls, unnecessary traffic can spread quickly. Learn how IGMP Queriers and snooping help contain it.

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AV-over-IP Sync

PTP Clocking Basics (IEEE 1588)

How to distribute nanosecond-accurate timestamps across an asynchronous IT switch. Best Master Clock Algorithm and Boundary vs Transparent switches.

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Infrastructure

Fiber Optics & SFP Link Budgets

A no-nonsense technical guide to optical networking in broadcast. Single-Mode vs Multi-Mode, wavelengths, BiDi, and practical optical dB loss planning.

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More guides coming

Future topics: SMPTE 2110 network design, Dante network architecture, UE5 nDisplay cluster setup, XR stage commissioning checklist.