Roland SR-20HD Direct Streaming AV Mixer


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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. 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. 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.

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. 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. 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. 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. 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 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.

Roland SR-20HD Direct Streaming AV Mixer Features:

  • 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.

Roland SR-20HD Product Specifications:
Video Processing 4:2:2 (Y/Pb/Pr), 8-bit.
Input Formats 20/59.94p, 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.
* 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 ile 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 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)
Recording Media SDHC/SDXC card (sold separately)
* SDXC card is required for video recording.
Other Functions Panel lock function
EDID emulator
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)
DC IN jack
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
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
AC adaptor
Power cord


Each SR-20HD Retail Box Includes:

(1) Roland SR-20HD Direct Streaming AV Mixer
(1) Startup Guide
(1) AC adaptor
(1) Power cord

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