| Latency |
The delay between your suite and the viewer’s screen. With Gradetonic, less than two seconds. |
| Encoder |
Hardware or software that compresses your video output into a stream. |
| Bitrate |
How much data the stream uses per second. Gradetonic streams use 8 Mbit/s. |
| CBR |
Constant bitrate: the stream uses the same amount of data every second, which keeps delivery steady. |
| Keyframe interval |
How often a complete picture is sent. One second lets viewers start quickly. |
| H.264 |
The video codec used for the stream, supported by every browser and device. |
| 1080p |
Full HD, 1920 × 1080 pixels, progressive. |
| 8-bit 4:2:0 |
Color depth and color resolution of the stream: standard for streaming, fine for review, not for final mastering. |
| Rec. 709 |
The color standard for HD video. Send Rec. 709 so viewers’ displays show the picture as intended. |
| RTMP and RTMPS |
The way your encoder sends the stream to us. RTMPS is the encrypted version and our default. |
| SRT |
An alternative streaming method for difficult networks, available on request. |
| SDI and HDMI |
The video outputs and inputs on your grading hardware and encoders. |
| NDI |
A way to send video over your local network, for example from editing software to OBS. |
| Surround |
The color around the picture in the player: black, dark grey, mid grey or white. |
| Room |
One stream with its own address, password and viewer list, for up to 10 viewers. |
| Pass |
One-off access for one room: an hour of viewing minutes, a day or three days. |
| Counted minute |
A minute in which your stream is live and at least one viewer watches. Only these count towards an hour pass. |
| Fair use |
Up to 100 streaming hours per room per month in a subscription. |