The Livestream Studio HD31 Live Production Switcher is an all-in-one, 3-input computer-based switcher running Livestream Studio software. Three Blackmagic DeckLink Mini Recorder cards allow you to capture SD or HD video from HDMI or HD-SDI sources - each card features both connectors, however only one can be used at a time. The Studio software lets you switch between these plus two "remote" channels as well as prerecorded clips in the media player. You can also add titles and effects either as overlays or using the DSK (downstream keyer), apply transitions, and more. An internal encoder gets the program feed ready for the Web, outputting a fixed bitrate 480p H.264 stream via the HD31's Ethernet port. At the same time, the software can record a high-quality - up to 1080p - feed for archiving or editing, encoding it in the MJPEG codec at up to 100 Mbps.
Powering the HD31 is a specially-built computer with a 4.0 GHz quad-core i7 processor, 16GB of RAM, and a 2TB 7200rpm hard drive capable of storing up to 40 hours of 1080p, 100 Mbps footage. For monitoring and operating the software there are VGA, DVI-D (digital only), and HDMI outputs. These allow you to connect a regular computer monitor or TV, and up to two displays can be used concurrently. The Livestream Studio software features a configurable layout that allows you to view all of the camera/input feeds, program and preview, clips in the media player, audio levels, and more - all on one screen if necessary.
Audio is also supported, and can be mixed in software. Up to 24 mono channels or 3 stereo pairs embedded audio through the Mini Recorder cards as well as separate audio via the 3.5mm line-in on the computer's sound card. If you prefer to use an external analog to digital converter or USB audio mixer, there are four DAC-UP USB 2.0 ports which are specially engineered to minimize noise when connecting an audio interface.
The HD31 can be rack-mounted using the included accessories, making it suitable for studios, production facilities, live venues, and production trucks. Also included is a twelve month telephone support plan, a configurable, color-coded Livestream production keyboard, a mouse with mousepad, and power cord.
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The Livestream Studio Keyboard is designed to match the default settings available on Livestream's Studio products. The color-coded keys makes it easy to access default key commands. You can also customize the hotkeys to better fit your workflow.
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CONNECTIVITY | |
Built-In Video Input/Output Cards | Input: 3 x Blackmagic Design DeckLink Mini Recorders (PCIe) |
Inputs | Live Video: 3 x HD-SDI (BNC) / HDMI switchable (one input per Mini Recorder card) |
Outputs | Program: 1 x HD-SDI (BNC) / HDMI switchable |
Data I/O | Rear Panel |
SWITCHER | |
Supported Formats | 1080p: 23.98PsF, 23.98p, 24PsF, 24p, 25p, 29.97PsF, 29.97p, 30PsF, 30p |
Playback Media Formats | GFX: JPEG or PNG image files with transparency support |
Recording Format | MJPEG (.avi) with uncompressed audio (up to 100 Mbps) |
Processing | Video: 4:2:2, 10-bit Color (REC 601, REC 709) |
Media Sources | 6 x Integrated digital media sources for video and graphics playback |
Built-In Multiview | On-screen full field rate multiview of all live inputs, Preview, Program Out, 2 GFX, 2 DDR |
Video Switcher/Mixer | 1 x Mixer and Effects Bank (M/E) with no upstream keyer |
Graphics Downstream Key | 3 x Graphics DSK (downstream key) channels -- one channel for GFX1 and one channel for GFX2 |
Graphics & Titling | Load JPG or PNG files (full transparency support with PNG files). Add dynamic text (set position/font/size/color) over any loaded image file within the GFX1 or GFX2. Dynamic Countdown, clock and timer |
Picture in Picture (PIP) | Up to two input sources per GFX Module with cropping and opacity |
Video Clip Playback | 2 x Media Players |
Recording | Single channel recording of either Clean Program or Dirty Program, with interlacing and Time of Day timecode support |
Recording Time | Approximately 40 hours at 100 Mbps using the built-in 2TB hard drive |
Live Streaming | Single bitrate live streaming via built-in Ethernet. Presets in up to 480p |
Audio Mixing | Integrated multi-channel audio mixer for internal and external audio sources, outputs, stream and headphones. Incorporated video switcher follow feature with audio crossfade support when fading two video sources |
HARDWARE | |
Operating System | Windows 7 Professional (64-bit) |
Built-In Display | None |
CPU | Intel Core i7-4790K Haswell 4.0 GHz quad-core processor |
Graphics Card | Integrated graphics |
Storage | 1 x 2 TB Western Digital Black SATA 2.5" internal hard drive, 7200 rpm |
RAM | 16 GB (2 x 8 GB) G.SKILL Trident X Series |
GENERAL | |
Dimension (D x W x H) | 13.7 x 19 x 3.5" / 34.8 x 48.3 x 8.9 cm |
Weight | Not specified by manufacturer |