Roland SR-20HD Direct Streaming AV Mixer
The Complete All-In-One Switching and Streaming Solution
Powerful, portable, and simple to operate, the SR-20HD Direct Streaming AV Mixer makes it easy to manage the modern livestreaming requirements of your business or organization. No computer is required, and everything needed to switch and stream is integrated into a single unit that anyone can use with minimal training. When consistency, dependability, and network security are top priorities, the SR-20HD delivers professional results every time.
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Description
- All-in-one enterprise solution for direct livestreaming without a computer
- Built-in encoders for transmitting two simultaneous livestreams up to 1080p/60 FPS
- Adaptive Bitrate function reduces freezing and dropouts due to bandwidth issues
- Safety Delay function to keep accidental moments from being broadcast
- Scene function for executing multiple tasks with a single touch
- Record streams directly to an SDXC card for archiving, editing, and distribution
- Ease your workflow with Video Auto Switching and Auto Mixing functions
- Play sound effects, still images, and video sources from an SDXC card to enhance your livestreams
- LCD monitor for checking video I/O and delivery status in real time
- Three video inputs: two HDMI and one USB video class
- Two HDMI outputs: Main and Preview
- High-quality audio mixer with eight input channels for mics and line-level devices
Built for Success
The SR-20HD is designed to make everyone successful with livestream operation and management, regardless of experience. It combines an easy-to-use video switcher, audio mixer, preview screen, recorder/player, and streaming encoder in one unit, simplifying the process and reducing points of failure.
Plug In and Stream
Using the two HDMI inputs, you can connect common video sources such as cameras, smartphones, tablets, and computers running presentation software. In addition, a wide range of audio inputs are available for mics, music players, electronic musical instruments, and more.
Once everything is plugged in, simply connect to your network router and begin livestreaming with team members, clients, or students on Facebook, YouTube Live, Twitch, or by RTMP to your CDN.
Secure and Reliable Operation
Packed with advanced Roland A/V technologies, the SR-20HD reduces the need for technical support and experienced staff members. Automatic functions run in the background to eliminate dropped streams and help protect your organization from broadcasting inappropriate content. And since all streaming tasks are handled within the SR-20HD, there’s no risk of malware and other issues that come with computer-based streaming on your enterprise network.
Adaptive Bitrate
The SR-20HD’s unique Adaptive Bitrate function monitors the quality of the network connection and automatically adjusts the streaming rate to reduce interruptions due to bandwidth issues.
Mobile Phone Tethering
A mobile phone with a 4G or 5G data plan can be used as the primary streaming connection or a redundant backup. Should anything happen to your main hardwired network connection, the SR-20HD will automatically switch to the tethered mobile phone over USB.
Safety Delay
With the SR-20HD, you can confidently stream unscripted events and prevent offensive content from being broadcast to your audience. The Safety Delay function buffers up to 60 seconds of video and audio, allowing you to switch to a still image or mute the sound if anything goes wrong.
Dual Streaming Destinations
Encode and broadcast livestreams to two independent channels on the same platform to reach a wider audience or create a backup for archiving or later distribution.
Panel Lock
Panel Lock prevents users from accidentally changing settings that could disrupt a broadcast. You can disable access to a wide range of hardware controls and menu parameters on an individual basis, leaving only the essential functions needed for the livestream.
Simplified Recording and Playback
The SR-20HD’s onboard recorder lets you capture H.264 MP4 video* to an SDXC card for later editing or uploading to YouTube or enterprise intranets. In addition, stereo WAV audio can be captured independently for podcasts and other audio-driven media. It’s also possible to access media stored on the SDXC card to bring higher production values to your presentations.**
*The recording bitrate is the same as the livestream encoding bitrate.
**SDXC video playback is only available when streaming in Standard mode.
Advanced Audio Control
The SR-20HD covers the divergent audio needs of single presenters, conference panels, and even music performances. Inputs for up to four professional XLR microphones, line-level signals, and a headset mic provide multiple ways to connect all common analog sources. You can also mix in digital audio from HDMI and USB sources, plus audio from videos and music files stored on an SDXC card.
Make quick volume adjustments for individual sources using the dedicated faders and knobs. And go deeper with EQ and dynamics processing via the preview display and F1–F4 encoders. You also have five user-assignable function buttons to speed up your workflow, providing quick access to Auto Mixing, audio/video playback, F1–F4 functions, and more.
Automated Switching and Mixing
With a variety of powerful tools, you can automate video switching and audio mixing tasks to ease your workload. This is particularly helpful when you’re also a presenter, allowing you to stay focused on delivering your message to the audience.
Video Auto Switching
Change video input sources at predetermined time intervals to make your presentation more dynamic.
Auto Mixing
The Auto Mixing function ensures that the mix between your connected microphones remains balanced.
Follow the Source
The SR-20HD makes it simple to broadcast with multiple presenters. With the Audio Follows Video function, the corresponding audio automatically follows when you switch to a different video source. Conversely, the Video Follows Audio function switches video based on who’s currently speaking.
Scenes
With Scenes in the SR-20HD, it’s easy to bring pro production values to your livestreams by executing complex switching functions all at once. Set up and store five preset arrangements of layered sources and display them in customizable inset windows. Then use the dedicated Scene buttons to switch between them and keep the audience engaged during the broadcast.
Hi-Res Streaming for Live Action
The SR-20HD’s Standard mode supports 1080p resolution at 30 FPS, which provides excellent quality for most livestreaming applications. If you’re broadcasting live sports or other events with quick movement, you can select High Quality mode to increase the frame rate to 60 FPS and reduce motion blur.
Note: The SR-20HD’s USB video input and SDXC card functions are disabled in High Quality mode.
Input Expansion
If you ever need to connect more sources, you can expand your possibilities with a VR-4HD, or UVC-01. These Roland A/V products allow you to send high-quality, uncompressed video or audio to the SR-20HD’s USB video input.*
*USB video input is only available when streaming in Standard mode.
- VIDEO
- Video Processing
- 4:2:2 (Y/Pb/Pr), 8-bit.
- Input Formats
- 720/59.94p, 720/50p, 1080/59.94i, 1080/50i, 1080/59.94p, 1080/50p SVGA (800 x 600/60Hz), XGA (1024 x 768/60Hz), WXGA (1280 x 800/60Hz), FWXGA (1366 x 768/60Hz), SXGA (1280 x 1024/60Hz), SXGA+ (1400 x 1050/60Hz), UXGA (1600 x 1200/60Hz), Full HD (1920 x 1080/60Hz), WUXGA (1920 x 1200/60Hz)* The refresh rate is the maximum value of each resolution. * Conforms to CEA-861-E, VESA DMT Version 1.0 Revision 11. * 1920 x 1200/60 Hz: Reduced blanking
- Output Formats
- HDMI OUT MAIN, PVW connectors: 1080/59.94p, 1080/50p * The video signal frame rate can be selected at the SYSTEM menu (59.94 Hz or 50 Hz).
- Stream and Video Recorder Formats
- File Format: MP4 Codec: H.264, target bitrate up to 20,000 kbps AAC LC 48kHz 16bit Stereo, target bitrate up to 384k bps
- Video Player
- File Format: MP4 (H.264, AAC), Average bit rate of 10,000 kbps or less, Maximum 1080p29.97
- USB Video or Audio
- USB Video: Maximum 720p29.97, Uncompressed (YUY2) USB Audio: Linear PCM, 16 bit/48 kHz, stereo* You can use either USB video or USB audio. * The USB VIDEO IN Mode can be selected at the SYSTEM menu (Video Only or Audio Only). * The USB STREAM output of the following Roland products can be used with the SR-20HD: VR-4HD, UVC-01
- Still Image
- PNG File (.png), Maximum 1920 x 1080 pixels, 24-bit color JPEG File (.jpg .jpeg), Maximum 1920 x 1080 pixels, 24-bit color
- Video Effects
- Scene: Picture in Picture, Split, Picture by Picture Transition: Black fade, Mix fade Key Composition: Luminance key, Chroma key Other: Output fade, Test pattern output, Stream Delay
- AUDIO
- Audio Processing
- 24 bits/48 kHz
- Audio Formats
- HDMI IN/OUT connectors: Linear PCM, 24 bit/48 kHz, stereo
- Audio Effects
- Delay, High Pass Filter, Gate, Compressor, Equalizer, Limiter, Test tone output
- Audio Player
- File format: WAV (Linear PCM, 16 bits, 48 kHz/44.1 kHz, stereo)
- COMMON SECTION
- Recording Media
- SDHC/SDXC card (sold separately) * SDXC card is required for video recording.
- Other Functions
- Panel lock function EDID emulator
- CONNECTORS
- Input Connectors
- HDMI IN 1--2 connectors: HDMI type A (Multi-format supported) AUDIO IN 1--4 jacks: Combo type XLR type: balanced, phantom power (DC 48 V, 10 mA), (1 GND, 2 HOT, 3 COLD) 1/4-inch TRS phone: balanced
- Output Connectors
- HDMI OUT MAIN, PVW connectors: HDMI type A LINE OUT jack: RCA phono type PHONES jack: Stereo miniature phone type
- Input/Output Connector
- HEADSET jack: Stereo miniature phone type (3.5 mm, 1/8-inch, TRRS 4-pole, CTIA)
- Other Connectors
- USB VIDEO IN port: USB A (USB 3.0) USB CONTOL port: USB A (USB 2.0) LAN (DIRECT STREAM) port: RJ-45, 1000BASE-T DC IN jack
- AUDIO INPUT/OUTPUT CHARACTERISTICS
- Nominal Input Level
- AUDIO IN 1--4 jacks: -52 to +4 dBu (Maximum Input level: +24 dBu) LINE IN jack: -10 dBu (Maximum Input level: +10 dBu)
- Input Impedance
- AUDIO IN 1--4 jacks (XLR type, with phantom power): 5 k ohms AUDIO IN 1--4 jacks (XLR type, without phantom power): 7 k ohms AUDIO IN 1--4 jacks (TRS 1/4-inch phono type): 7 k ohms LINE IN jack: 18 k ohms
- Nominal Output Level
- AUDIO OUT jack: -10 dBu (Maximum Output level: +10 dBu) PHONES jack: 72 mW + 72 mW (32 ohms)
- Output Impedance
- AUDIO OUT jack: 1 k ohm
- OTHERS
- Display
- 4.3 inches TFT color LCD: 480 x 272 dots
- Power Supply
- AC adaptor
- Current Draw
- 3.5 A
- Power Consumption
- 42 W
- Operation Temperature
- +0 to +40 degrees Celsius +32 to +104 degrees Fahrenheit
- Dimensions
- 300 (W) x 215 (D) x 86 (H) mm 11-13/16 (W) x 8-1/2 (D) x 3-7/16 (H) inches
- Weight (excluding AC adaptor)
- 2.4 kg 5 lbs 5 oz
- Accessories
- Startup Guide Leaflet "USING THE UNIT SAFELY" AC adaptor Power cord
- * 0 dBu = 0.775 Vrms
Quick Comparison
| Settings | Roland SR-20HD Direct Streaming AV Mixer remove | Blackmagic ATEM 2 M/E Advanced Panel 30 remove | Blackmagic ATEM 4 M/E Advanced Panel 40 remove | ROSS Ultrix Acuity Ultra HD Production Switcher remove | Blackmagic ATEM 2 M/E Advanced Panel 20 remove | Blackmagic ATEM Mini Pro remove | |||||||||
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| Name | Roland SR-20HD Direct Streaming AV Mixer remove | Blackmagic ATEM 2 M/E Advanced Panel 30 remove | Blackmagic ATEM 4 M/E Advanced Panel 40 remove | ROSS Ultrix Acuity Ultra HD Production Switcher remove | Blackmagic ATEM 2 M/E Advanced Panel 20 remove | Blackmagic ATEM Mini Pro remove | |||||||||
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| Description | The Complete All-In-One Switching and Streaming SolutionPowerful, portable, and simple to operate, the SR-20HD Direct Streaming AV Mixer makes it easy to manage the modern livestreaming requirements of your business or organization. No computer is required, and everything needed to switch and stream is integrated into a single unit that anyone can use with minimal training. When consistency, dependability, and network security are top priorities, the SR-20HD delivers professional results every time. | This model perfectly matches the ATEM Constellation! It features 4 M/E rows with 40 input buttons per row and 4 system control LCDs. With 32 LCDs, you can custom label every button on every row! | The proven hyperconverged platform | This larger model features 2 M/E rows with 20 input buttons on each row and 2 independent system control LCDs, one for each row. There's 8 LCDs for custom labels and both rows include a select bus. | Powerful model adds recording to USB disks in H.264 format,a built in hardware streaming engine for YouTube Live, Facebook,Twitch and more, plus multiview to see all cameras on a single monitor. | ||||||||||
| Content |
Built for SuccessThe SR-20HD is designed to make everyone successful with livestream operation and management, regardless of experience. It combines an easy-to-use video switcher, audio mixer, preview screen, recorder/player, and streaming encoder in one unit, simplifying the process and reducing points of failure. Plug In and StreamUsing the two HDMI inputs, you can connect common video sources such as cameras, smartphones, tablets, and computers running presentation software. In addition, a wide range of audio inputs are available for mics, music players, electronic musical instruments, and more. Once everything is plugged in, simply connect to your network router and begin livestreaming with team members, clients, or students on Facebook, YouTube Live, Twitch, or by RTMP to your CDN. Secure and Reliable OperationPacked with advanced Roland A/V technologies, the SR-20HD reduces the need for technical support and experienced staff members. Automatic functions run in the background to eliminate dropped streams and help protect your organization from broadcasting inappropriate content. And since all streaming tasks are handled within the SR-20HD, there’s no risk of malware and other issues that come with computer-based streaming on your enterprise network. Adaptive BitrateThe SR-20HD’s unique Adaptive Bitrate function monitors the quality of the network connection and automatically adjusts the streaming rate to reduce interruptions due to bandwidth issues. Mobile Phone TetheringA mobile phone with a 4G or 5G data plan can be used as the primary streaming connection or a redundant backup. Should anything happen to your main hardwired network connection, the SR-20HD will automatically switch to the tethered mobile phone over USB. Safety DelayWith the SR-20HD, you can confidently stream unscripted events and prevent offensive content from being broadcast to your audience. The Safety Delay function buffers up to 60 seconds of video and audio, allowing you to switch to a still image or mute the sound if anything goes wrong. Dual Streaming DestinationsEncode and broadcast livestreams to two independent channels on the same platform to reach a wider audience or create a backup for archiving or later distribution. Panel LockPanel Lock prevents users from accidentally changing settings that could disrupt a broadcast. You can disable access to a wide range of hardware controls and menu parameters on an individual basis, leaving only the essential functions needed for the livestream. Simplified Recording and PlaybackThe SR-20HD’s onboard recorder lets you capture H.264 MP4 video* to an SDXC card for later editing or uploading to YouTube or enterprise intranets. In addition, stereo WAV audio can be captured independently for podcasts and other audio-driven media. It’s also possible to access media stored on the SDXC card to bring higher production values to your presentations.** *The recording bitrate is the same as the livestream encoding bitrate. **SDXC video playback is only available when streaming in Standard mode. Advanced Audio ControlThe SR-20HD covers the divergent audio needs of single presenters, conference panels, and even music performances. Inputs for up to four professional XLR microphones, line-level signals, and a headset mic provide multiple ways to connect all common analog sources. You can also mix in digital audio from HDMI and USB sources, plus audio from videos and music files stored on an SDXC card. Make quick volume adjustments for individual sources using the dedicated faders and knobs. And go deeper with EQ and dynamics processing via the preview display and F1–F4 encoders. You also have five user-assignable function buttons to speed up your workflow, providing quick access to Auto Mixing, audio/video playback, F1–F4 functions, and more. Automated Switching and MixingWith a variety of powerful tools, you can automate video switching and audio mixing tasks to ease your workload. This is particularly helpful when you’re also a presenter, allowing you to stay focused on delivering your message to the audience. Video Auto SwitchingChange video input sources at predetermined time intervals to make your presentation more dynamic. Auto MixingThe Auto Mixing function ensures that the mix between your connected microphones remains balanced. Follow the SourceThe SR-20HD makes it simple to broadcast with multiple presenters. With the Audio Follows Video function, the corresponding audio automatically follows when you switch to a different video source. Conversely, the Video Follows Audio function switches video based on who’s currently speaking. ScenesWith Scenes in the SR-20HD, it’s easy to bring pro production values to your livestreams by executing complex switching functions all at once. Set up and store five preset arrangements of layered sources and display them in customizable inset windows. Then use the dedicated Scene buttons to switch between them and keep the audience engaged during the broadcast. Hi-Res Streaming for Live ActionThe SR-20HD’s Standard mode supports 1080p resolution at 30 FPS, which provides excellent quality for most livestreaming applications. If you’re broadcasting live sports or other events with quick movement, you can select High Quality mode to increase the frame rate to 60 FPS and reduce motion blur. Note: The SR-20HD’s USB video input and SDXC card functions are disabled in High Quality mode. Input ExpansionIf you ever need to connect more sources, you can expand your possibilities with a VR-4HD, or UVC-01. These Roland A/V products allow you to send high-quality, uncompressed video or audio to the SR-20HD’s USB video input.* *USB video input is only available when streaming in Standard mode. | The 2 M/E model features 2 M/E rows with 30 input buttons and 3 independent system control LCDs for each row. Plus each row can control up to 4 M/Es in larger switchers. Both rows and all input buttons include LCDs for custom labeling. Each row also includes an independent select bus! | This massive model is big enough to perfectly match the features on the ATEM Constellation switcher! It features 4 M/E rows with 40 input buttons per row and 4 independent system control LCDs for each row. This massive panel includes 24 LCD's for custom labeling of every button on every row! | Now Smaller is Bigger. Way Bigger.
Imagine racks and racks of video and audio routing, frame syncs, MultiViewers, and audio processing gear. Now imagine all that in one small package. Enter Ultrix Acuity; a single solution that pairs Acuity, our flagship production switcher, with Ultrix, our flexible hybrid routing platform.
Combining our award–winning Ultrixᵀᴹ routing system with our Acuity® Software Defined Production Engine blades yields a complete, future-proof control room solution that is greater than the sum of its parts.
Size Matters
Integrating the expansive routing and audio processing capabilities of Ultrix along with the effects repertoire of Acuity into a single chassis makes Ultrix Acuity ideal for OB vans and other mobile applications. Add on redundant power and the result is a complete system that can outperform packages requiring multiple racks and complex cabling.
Mix and Match Fearlessly
The flexible architecture of Ultrix Acuity eliminates format and connectivity challenges, enabling you to transition from HD to UHD with a simple software license. You can mix SDI and IP sources in the same frame transparently to reduce complexity and cost. As needs and demands change, Ultrix Acuity easily keeps pace.
Future-Proof
Ross developed the concept of the Software-Defined Production Engine (SDPE) — providing base hardware that can grow with simple, cost-effective software licenses. By designing and engineering Ultrix Acuity using our SDPE platform, we ensure new functionality and enhanced features can be easily added, reducing the uncertainty of meeting future creative or technical requirements.
ROI↑ TCO↓
Fusing Ultrix and Acuity into a single compact package significantly decreases cooling, maintenance, and support costs, which vastly simplifies system design equipment installation, and maintenance. Combining the routing platform with the production switcher shrinks the number of inter-rack failure points and reduces maintenance requirements.
Radically Familiar
As game-changing as Ultrix Acuity is, operators might not notice. The system uses the same control surfaces they have become accustomed to, lowering the cost of training, and reducing the ramp-up time associated with new hardware. In fact, only those responsible for installing, configuring, and maintaining Ultrix Acuity will truly appreciate how revolutionary the product really is.
Peace of Mind Included
Ultrix Acuity’s robust hardware is designed and engineered for mission-critical applications. But when assistance is needed, you can call on our industry-leading technical support team 24/7, 365 days a year. We offer a range of options, so you tailor your support plan to the specific needs of your facility.
Ultrix AcuityNow available in Ultrix FR5 or Ultrix FR12 The compact Ultrix FR5 frame can provide up to four Acuity ME banks, but if a larger switcher or greater I/O density is required, the larger FR12 frame is now available.FeaturesIntegrated Production PlatformAcuity video switcher boards have been re-engineered to tightly integrate into the Ultrix router audio/video processing platform. This allows Acuity to access and feed Ultrix inputs and outputs and leverage Ultrix features such as Frame Syncs, MultiViewers, and audio processing.Extensive M/E ResourcesUltrix Acuity provides multiple powerful Mix/Effects Banks, each with six keyers, split M/E architecture and programmable transition and key assignment capability. What’s more, these same resources are available in HD or UHD.Multiple I/O OptionsSince Ultrix offers a wide range of I/O boards including SDI, IP, or user-defined SFP that can be used to populate the frame in any combination, Ultrix Acuity is not limited to a single input type.Device IntegrationWith a range of included or optional protocols available, Ultrix Acuity puts external device control at the operator’s fingertips. Custom Control macros can trigger graphics engines, audio mixers, playback servers, robotic cameras, and more, simply and efficiently.
and Control Panels, Ultritouch 2RU and 4RU monitoring stations, and RCP router control panels. The system will fit seamlessly into an OverDrive production automation system with or without control surfaces.
Field-UpgradableThe Software-Defined Production Engine at the heart of Ultrix Acuity is a versatile hardware platform designed for multiple applications. A software license is all that’s needed to convert the blade from an Acuity ME bank to a complete multi-ME Carbonite. And more features are in the works for the future.Control Panels
From fully manual to advanced automation workflows, there’s a perfect control surface for the task.
Frame Configuration Tool
Mix and Match to meet your unique requirements or leave slots empty for easy future upgrades. Use our online Frame Configuration tool to customize your own Ultrix Acuity and request a quote.
To begin, click the link below and select the 5RU or the 12RU Ultrix frame size.
Specifications
| The 2 M/E model features 2 M/E rows with 20 input buttons and 2 independent system control LCDs for each row. Plus each row can control up to 4 M/Es in larger switchers. Both rows and all input buttons include LCDs for custom labeling. Each row also includes an independent select bus! | ATEM Mini Pro is fast to set up and easy to use. It includes 4 standards converted HDMI inputs, USB webcam out, HDMI out, Fairlight audio mixer with EQ and dynamics, DVE for picture in picture, transition effects, green screen chroma key, 20 stills media pool for titles and free ATEM Software Control. ATEM Mini Pro also includes direct recording to USB flash disks in H.264 and direct streaming via Ethernet to YouTube Live and more. There's also a multiview with 4 cameras, media, preview and program plus status of recording, streaming and audio. | |||||||||
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