The ATEM 1 M/E Constellation HD from BlackmagicDesign is a high-resolution live production switcher packed with advanced features. The single M/E layer design includes ten standards-converting 3G-SDI inputs and six independent 3G-SDI Aux outputs. It also has a USB webcam output, DVE, Chromkeyer, media player, multiview and more.

Connections:

Total video inputs: 10

Total video outputs: 6

SDI rates: 1.5G; 3G

Total audio inputs: 2 balanced 1/4 inch sockets, 1x 5-pin XLR socket for talkback

Total audio outputs: 1x 5-pin XLR socket for talkback

SDI audio inputs: 2 embedded audio channels on all SDI inputs

SDI audio outputs: 2 embedded audio channels on all SDI outputs

Timecode connections: none

Reference inputs: Tri-Sync or Black Burst

Video inputs with resync: on all 10 inputs

Frame rate and format converter: on all 10 inputs

SDI Aux 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

Downconverted SDI program outputs: none

Webcam Output: 1 USB-C port supports 720p or 1080p with PGM frame rates

Number of Multi Views: 1x 3G-SDI

Control panel connection: Ethernet. Direct connection between console and chassis or via a network

Internal timecode generator: yes

Talkback: RJ45 for third-party talkback systems

Tally Output: Added via Ethernet connection using Blackmagic Design GPI and Tally Interface device. (Not included in the delivery)

Ethernet: supports 10/100/1000Base‑T

Computer interface: 1 USB-C port supports USB 3.1 Gen 1 (5Gbps)

Video Standards

HD video standards: 720p/50; 720p/59.94; 720p/60

1080i/50; 1080i/59.94; 1080i/60

1080p/23.98; 1080p/24; 1080p/25; 1080p/29.97; 1080p/30; 1080p/50; 1080p/59.94; 1080p/60

SDI Compliance: SMPTE 292M, SMPTE 296M, SMPTE 424M, SMPTE 425M Level A and B

Video sampling frequency: 4:2:2

Color accuracy: 10 bits

Color spaces: REC 709

Automatic SDI switching: Automatic detection of 1.5G-SDI and Level A or Level B 3G-SDI

Characteristics:

Upstream keyer: 4

Downstream keyer: 1

Advanced Chroma Keyer: 4

Talkback support: yes

n-1 support: yes

Linear/Luma Keyer: 5

Transition Keyer (Stinger/DVE): 1 Stinger, 1 DVE

Total number of levels: 7

Pattern generators: 5

Color generators: 2

Control desk or panel: Front panel for mixing in an emergency, operating software or optional hardware control panel

Routable windows: 16

Tally: red light for program and green for preview display

Source window identifiers: yes

Multi-view monitoring

Multi View Monitoring: 1 Multi View configurable for 16, 13, 10, 7 or 4 views. Including for monitoring program, preview, input, media players, DSK, clean feed with optional identifiers and audio level meters

Multiview video standard: HD

Minimum screen resolution: 1366 x 768

Media players

Media players: 2

Channels: Fill and key signals for each media player

Media pool capacity for still images: 20

Media pool capacity for clips: 2 up to 1080p/60

Media player clip length in 720 HD: 400 frames

Media Player Clip Length in 1080 HD: 200 frames

Media pool still image formats: PNG, TGA, BMP, GIF, JPEG and TIFF

Media pool video file format: TGA sequence

Media pool audio file format: WAV, MP3 and AIFF

Screens

Front panel: integrated 2.2-inch LCD monitor for video, 10 LED buttons for setup and emergency mixing, 4 source buttons, 6 talkback selection and mixing buttons, 1 menu dial, 1 set button, 1 button for Locking the front panel