Blackmagic Design Atem SDI Extreme ISO
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Blackmagic Design
https://www.blackmagicdesign.com
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The ATEM DNA Taken to the Extreme
Direct successor to the Pro ISO, the Blackmagic ATEM SDI Extreme ISO doubles the number of inputs, adds more assignable outputs, and expands compositing power. It establishes itself as the reference all-in-one SDI switcher for live sets, talk shows, and hybrid productions requiring reliability and agility.
Who Is It For and What Is It For?
Designed for control rooms managing 6 to 8 cameras and graphic sources, this switcher simplifies capture, broadcasting, and accelerated post-production. Controlled latency, professional SDI workflow, and full ISO recording make it an ideal tool for broadcast, events, corporate, and premium streaming.
Supervision, Graphics, and Large-Scale ISO
Video Engine, DVE, and Advanced Keyers
Up to 4 chroma keyers and 2 DVEs enable precise keying, picture-in-picture, and creative transitions. The 8 3G-SDI inputs benefit from hardware format conversion and resynchronization for flawless switching, even with mixed formats.
Integrated Streaming and Comprehensive Capture
Stream live over 1 Gb/s Ethernet or via USB-C. Simultaneously, the ATEM records each input and the program in H.264, while generating a DaVinci Resolve project for ultra-fast finishing without reconforming.
Broadcast-Ready Fairlight Audio
The 11 x 2 channel mixer with AFV, dynamics, and 6-band EQ offers precise control of live sound. Peak meters and master output ensure consistent broadcast levels.
Technical specifications
| Category | mixer | Inputs | 8x SDI |
| Video format | 1080i60 | Ports | 2x USB-C, RJ45 |
| Video processing | 4:2:2 10 bits | Weight | 1.42 kg |
| Outputs | Mini-jack audio, 4x SDI | Dimensions (mm) | 370 x 151 x 40 |
| HD input | 720p50/59.94/60; 1080p23.98/24/25/29.97/30/50/59.94/60; 1080i50/59.94/60. | Fairlight processing | compressor, gate, limiter, 6-band EQ, master. |
| HD output | 1080p23.98/24/25/29.97/30/50/59.94/60. | Analog inputs | unbalanced stereo, 1.8 k? impedance, max level +6 dBV, delay up to 8 frames, mic power on both 3.5 mm jacks. |
| Streaming | 1080p23.98/24/25/29.97/30/50/59.94/60. Ultra HD: no. | Video | 8 x ISO H.264 .mp4 up to 70 Mb/s + 1 x program H.264 .mp4 at streaming quality. |
| Minimum monitor resolution | 1366 x 768. | Audio | 10 x .wav files 24-bit 48 kHz (2 analog stereo + 8 SDI 2-channel). |
Questions frequently asked
How many SDI cameras can be connected to the ATEM SDI Extreme ISO?
The 8 3G-SDI inputs support sources up to 1080p60 and include format conversion as well as hardware resynchronization.
Can all cameras be recorded separately during a live broadcast?
ISO recording creates 8 H.264 .mp4 files, up to 70 Mb/s, in addition to a program H.264 file. A DaVinci Resolve project is also generated to speed up editing. Ten 24-bit/48 kHz WAV audio files are recorded, derived from the 2 stereo analog inputs and the 8 SDI sources.
Does the Blackmagic Design ATEM SDI Extreme ISO support 1080p streaming?
Streaming can be performed via 1 Gb/s Ethernet or USB-C, up to 1080p60. Ultra HD streaming is not supported.
Which outputs are available for video return?
Four assignable SDI outputs provide feeds for monitors or broadcast equipment. A mini-jack audio output completes the connectivity.
Is the audio mixer suitable for broadcast microphones?
Two 3.5 mm mini-jack inputs with mic power are available, with adjustable audio delay up to 8 frames. The Fairlight 11 x 2 channel mixer includes AFV, compressor, gate, limiter, and 6-band equalizer.



