Glossary - dfine.io

Plain explanations of the terms you meet in dfine.io. Pick your product to see the terms that apply to it. The last tab covers terms that are the same in both.

Streaming Classic
Review
Shared & security

Term	Meaning
Ingest server	The address where your encoder sends the stream.
RTMPS	The secure streaming protocol we use for ingest. The S stands for an encrypted connection.
Stream key	A private token that connects your encoder to the right stream slot.
Stream slot	One ingest endpoint inside a project, with its own stream key.
Access code	The passcode you share so viewers can watch the stream.
Playout	Sending the video out to your viewers.
Monitor link	A private playout link to watch the stream on a reference monitor or decoder.
Latency	The short delay between sending and seeing the picture. With dfine.io it stays under one second.
Bitrate	The data rate of the stream. It affects both quality and stability, and your plan sets a maximum.
Adaptive bitrate	The bitrate adjusts to how stable the viewer’s connection is.
Codec	The method used to compress and decompress video, for example H.264 or VP8.
Color sampling	How much color detail the video keeps, for example 4:2:0, 4:2:2 or 4:4:4.
Luminance range	The brightness range of the signal, video range 64 to 940 or full range 0 to 1023.
WebRTC	The technology that delivers the live picture to the viewer in real time.
Confidential access	An access tied to one email, with a password and an IP lock after the first login.
Geo blocking	Restricting who can watch by the country their connection comes from.
OBS	Open Broadcaster Software, a free encoder for live streaming.
NDI	A standard that lets video devices talk to each other over a network.
Encoder	The device or software that turns your video into a stream, such as OBS or a Blackmagic device.

Term	Meaning
Project	The top-level space that holds your folders and files.
Folder	A group of files inside a project. A folder can have its own password.
Frame-accurate comment	Feedback pinned to the exact frame of a video.
Annotation	A drawing or mark you add on top of the picture.
Version	A new upload of the same file, kept side by side so you can compare.
Original	Your uploaded file at full quality.
Optimized	A lighter copy we create for smooth playback in the browser.
Share link	A secure link you send so others can review without an account.
Folder password	A password on a folder so only people with it can open it.
Upload Manager	The panel that shows upload progress and lets you retry a file.
Activity log	A record of who did what and when, available for download as an audit copy.
Conferencing	Live sessions inside Review for reviewing together.
Approval	Marking a version as approved to sign it off.
One-time code	A short code sent by email to confirm a guest before they comment.

Term	Meaning
SSL and TLS	Security standards that encrypt data while it travels over the internet.
AES 256	A strong encryption standard used to protect your stream and your data.
Two-factor authentication	A second step at login that keeps your account safe.
Session timeout	The period of inactivity after which you are signed out for safety.
Data residency	Where your data is stored. With dfine.io it stays in Germany, inside the EU.
TISAX	An information security standard used in the automotive industry. We offer TISAX certified streaming servers as an option.