RTSP, RTMP, SRT, HLS or WebRTC: Which to Use?
What each IP video protocol was built for, the latency and firewall cost of each, and how to pick for LAN, WAN and browser delivery.
Protocols2026-10-22Blog
Encoder selection, protocol comparisons and field notes, written by the engineers who build the hardware
How Much Bandwidth Does an IP Video Link Need?
What sets the bitrate, how pixel rate scales it, protocol overhead, headroom, and the storage arithmetic that follows.
Network Planning2026-10-09Black Screen, No Signal, Flicker: An EDID and HDCP Checklist
A symptom-first isolation sequence for the HDMI faults that are almost never cable faults.
Troubleshooting2026-10-09Rack Planning for Video Equipment
Space, power, airflow and labelling — the four decisions that decide whether a rack still works in year three.
Deployment2026-10-09Latency Budget: Where the Milliseconds Go
Five stages of delay, what each protocol costs, and how to keep several screens on the same moment.
Network Planning2026-10-09Encoder Firmware and Long-Term Operation
Version control, upgrade sequence, configuration backup, monitoring and network hygiene for a system that runs for years.
Operations2026-10-09Designing a Rail Transit PIS Video Network
Transport choice, multicast and IGMP behaviour, screen population, fibre budget and the failure modes that surface after handover.
Application Design2026-10-01KVM Extension: Fibre, HDBaseT or IP?
Reach, resolution, USB HID behaviour and the failure modes that only show up on site — compared side by side.
Application Design2026-10-01What Is HDCP? Why Protected Content Goes Black or Drops Resolution
Content protection, not a hardware fault. Key exchange, three typical symptoms, and a source-to-sink isolation procedure.
Interfaces2026-09-21What Is EDID? Why Swapping a Monitor Can Kill the Picture
A 128-byte CV from the display. Structure, the DDC channel, four negotiation failures and three EDID management strategies.
Interfaces2026-09-21RTMP, RTMPT and RTMPS Explained — Is RTMP Still Worth Using?
Flash is gone but RTMP still owns ingest. The three variants, when to use each, and how work divides with SRT and HLS.
Protocols2026-09-21Multicast vs Unicast vs Broadcast: Which One for Video Distribution
One stream to 100 screens differs by 100× in bandwidth. Plus address planning and the IGMP Snooping you must enable.
Networking2026-09-21What Is Wireless Video Transmission, and When Can It Replace Cabling
It saves more than cable money. How it works, the honest trade-offs, three hard limits and four specs to confirm.
Wireless2026-09-21Twisted Pair Basics: Choosing Cat5e or Cat6, and Whether 100 m Can Be Exceeded
Two cables labelled Cat6 can differ threefold. Gauge, material, a multimeter test, and why not to design to 120 m.
Cabling2026-09-21HDMI Fiber Extender Faults: A Checklist from No Signal to Snow
Symptom-based troubleshooting: no output, snow, judder, washed-out image, single-channel faults — each with isolation steps.
Troubleshooting2026-09-21Video Encoder Faults: Login Failures, Blank VLC and a Broken Picture
Read the interrupt counter first — it separates no input from incompatible input instantly. Full symptom list included.
Troubleshooting2026-09-21HDMI Encoder Setup: From Login to a Working Stream
Seven steps: login and subnetting, encoding values, protocols, main and sub streams, OSD — each with a verification method.
How-to2026-09-21What Is Bitrate, and How It Governs Quality, Bandwidth and Storage
Resolution sets the ceiling; bitrate sets the result. Units, CBR vs VBR, why multi-bitrate exists, plus a storage table.
Video Basics2026-09-21H.264 or H.265? How to Choose in Practice
The halved bitrate is real, and so are the trade-offs. Includes starting bitrate tables for 1080p and 4K, plus five cases for each codec.
Video encoding 2026-09-17Hardware Encoder or Software Streaming? Six Questions
Software is cheap and flexible, hardware is stable and CPU-free. The dividing line is what a dropped stream costs. Includes a comparison and decision table.
Solution design 2026-09-17What is SRT, and Why It Beats RTMP on the Public Internet
Keeping a lossy link clean is about retransmission and latency buffer, not bandwidth. Includes latency starting points and three misconceptions.
Transport protocols 2026-09-17Coming next
We pick topics from real customer questions: fiber distance and attenuation, bandwidth planning for multi-channel decoding walls, GB28181 notes for surveillance projects, and interface checklists for meeting room retrofits. Tell us what you want covered.
FAQ About Our Technical Blog
What topics does your blog cover?
Practical AV engineering topics — for example H.264 vs H.265 selection, hardware vs software encoding trade-offs, and how SRT behaves on lossy networks. Every article comes from questions we actually get on real projects.
How often do you publish?
We publish as our engineers accumulate field experience, prioritizing the issues that come up repeatedly. The Solutions section shows how those same technologies get deployed in practice.
Can I apply your advice directly to my project?
The articles give general selection logic and troubleshooting methods. Real deployments also depend on your network conditions, source types and end devices, so please confirm the final configuration with our engineers.
What if I don't understand something?
Just call +86 400 056 8185 or email david@orivision.cn. An engineer will explain it against your specific scenario and give concrete configuration advice.
May I republish your articles?
Yes, provided you credit ORIVISION with a link to the original and do not alter technical conclusions in a misleading way.