Key Information About the ATEM 1 M/E Constellation HD Video Mixer
- 10 3G?SDI inputs with synchronization, standards conversion, and frame rate conversion on each input for hassle-free heterogeneous sources.
- 6 routable auxiliary SDI outputs and a 16-window configurable multi view for clear and fast monitoring.
- USB?C ?webcam? output up to 1080p for direct streaming to platforms and videoconferencing software.
- Advanced production: 4 chroma keyers, DVE, stinger, 2 media players, and internal timecode generator.
The Compact Reference in the Constellation HD Range
Positioned as the 1 M/E model of the Constellation HD family, this Blackmagic Design mixer condenses broadcast electronics into a 1U chassis with 2/3 rack width. It inherits the ergonomics of the larger ATEM control panels while adding modern features: USB?C ?webcam? output,
converters on each input, talkback and native
mix?minus, not to mention an
internal timecode generator. Ideal for equipping a fixed control room or a professional mobile case.
For Studios, Professional Streaming, and Events
Whether you are directing a live multicamera production, corporate shoot, e?sports, training, or a service, the ATEM 1 M/E Constellation HD offers smooth production: 10 SDI sources, 6 AUX for monitors, recorders, or stage returns, and a configurable multi view to keep essentials at a glance. The Ethernet connection enables ATEM software control, an optional hardware panel, and easy studio integration.
Features Designed for Real-Time Production
The four advanced chroma keyers, combined with the DVE and stinger, open the door to broadcast graphics, picture?in?picture, and dynamic transitions. Two media players with fill/key feed logos and clips, while the 28-channel audio mixer offers parametric EQ and full dynamics for controlled sound. Processing latency under ten lines ensures clean cuts and precise stage returns. Finally, the USB?C output converts the program into a ?webcam? stream, simplifying computer streaming without additional hardware.
Technical Specifications
Connections
- Total number of video inputs: 10
- Total number of video outputs: 6
- SDI rates: 1.5G, 3G
- Total number of audio inputs: 2 x balanced 1/4 inch jack, 1 x 5-pin XLR talkback
- Total number of audio outputs: 1 x 5-pin XLR talkback
- SDI audio inputs: 8 channels of embedded audio on all SDI inputs
- SDI audio outputs: 16 channels of embedded audio on all SDI outputs
- Timecode connections: none
- Reference input: Tri?Sync or Black Burst
- Video input synchronization: on all 10 inputs
- Frame rate and format converters: on all 10 inputs
- AUX SDI outputs: any of the 6 SDI outputs
- SDI preview outputs: any of the 6 SDI outputs
- SDI program outputs: any of the 6 SDI outputs
- Down-converted SDI program output: none
- Webcam output: 1 x USB?C supporting 720p or 1080p at PGM frame rate
- Number of multi views: 1 x 3G?SDI
- Control panel connection: Ethernet (direct panel/chassis link or via network)
- Internal timecode generator: yes
- Talkback network: RJ45 for third-party systems
- Tally output: integrated into Blackmagic Design GPI & Tally Interface via Ethernet (sold separately)
- Ethernet: 10/100/1000 BASE?T
- Computer interface: 1 x USB?C (USB 2.0)
Video Standards and Formats
- SD standards: none
- HD standards: 720p50, 720p59.94, 720p60; 1080i50, 1080i59.94, 1080i60; 1080p23.98, 24, 25, 29.97, 30, 50, 59.94, 60
- SDI compliance: SMPTE 292M, 296M, 424M, 425M level A and B
- Video sampling: 4:2:2
- Color precision: 10-bit
- Color space: REC 709
- SDI auto switching: detection between 1.5G?SDI and 3G?SDI levels A and B
Mixer Functions
- Upstream keyers: 4
- Downstream keyers: 1
- Advanced chroma keyers: 4
- Talkback support: yes
- Mix-minus support: yes
- Linear/luminance keyers: 5
- Transition keyers: 1 stinger, 1 DVE
- Total number of layers: 7
- Pattern generators: 5
- Color generators: 2
- Control panel: front panel emergency switching, software or optional hardware panel
- Routable windows: 16
- Tally: red program, green preview
- Source labels on windows: yes
Multi View Monitoring
- 1 x multi view configurable as 16, 13, 10, 7 or 4 views
- Includes monitoring of program, preview, inputs, media players, DSK, and clean feed with labels and audio indicators
- Multi view video standard: HD
- Minimum screen resolution: 1366 x 768
Media Players and Library
- Media players: 2 (fill and key for each player)
- Still image library: 20 still images
- Clip library: 2 x up to 1080p60
- Clip length: 400 frames in 720 HD; 200 frames in 1080 HD
- Image formats: PNG, TGA, BMP, GIF, JPEG, TIFF
- Video file format: TGA sequence
- Audio formats: WAV, MP3, AIFF
Front Panel
- Built-in 2.2 inch LCD for video
- 10 LED buttons for configuration and emergency switching
- 4 source buttons, 6 talkback selections, and mixing buttons
- Navigation wheel, configuration button, and front panel lock
Processing and Audio
- Processing delay: less than 10 lines
- Audio mixer: 28 channels
- Modes: On/Off/Audio-Follow-Video
- Metering: levels and peaks, main gain control
- Processing: 6-band parametric EQ, expander, gate, compressor, limiter
- Down-conversion: none
Software, Configuration, and Updates
- Included ATEM Software Control panel for Mac 11.11 Big Sur, Mac 12 Monterey or later, and Windows 10/11
- Updates via USB or Ethernet (ATEM Setup utility included)
- Configuration via ATEM Software Control Panel; chassis IP address via ATEM Setup Utility over USB
Supported Operating Systems
- Mac 14.0 Sonoma, Mac 15.0 Sequoia or later
- Windows 10 and 11
Power
- Internal power supply: 1 x 100?240 V AC
- Power consumption: 36 W
Physical Specifications
- Footprint: 2/3 rack width, 1 rack unit height
- Optional accessory: Blackmagic Universal Rack Shelf
Environmental Specifications
- Operating temperature: 0 to 40 °C (32 to 104 °F)
- Storage temperature: -20 to 60 °C (-4 to 140 °F)
- Relative humidity: 0% to 90% non-condensing
Included
- ATEM 1 M/E Constellation HD
- Welcome pack with QR code to download the software
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