Roland SR-20HD Direct Streaming AV Mixer

The Roland SR-20HD Direct Streaming AV Mixer is a compact solution tailored to streamline content production and live stream encoding for businesses and organizations.

Simplifies content production and live stream encoding by removing the need for a computer; securely streams to multiple platforms over LAN.

Records directly to SDXC media for archiving and distribution purposes.

Integrated into a portable unit for user-friendly operation with minimal training required.

Focuses on delivering professional outcomes emphasizing consistency, reliability, and network security.

Dual streaming encoders, video switching, audio mixing, and recording support in a single unit.

Two HDMI inputs for versatile video sources and various audio inputs.

Livestream capabilities on platforms like Facebook, YouTube Live, Twitch, or through RTMP to your CDN.

Automatic functions that prevent dropped streams and safeguard against broadcasting inappropriate content.

Adaptive Bitrate function that adjusts streaming rate based on network connection quality.

Backup streaming connection using a mobile phone with a 4G or 5G data plan.

Safety Delay function for video and audio buffering.

Encoding and broadcasting to two independent channels for broader coverage or backup purposes.

Panel Lock to prevent unintended settings changes during broadcasts.

Onboard recorder for video and audio capture to SDXC card.

Multiple audio inputs for diverse sources and mixing capabilities.

Auto Mixing function that balances microphone levels and prioritizes specific inputs.

Audio Follows Video and Video Follows Audio functions for seamless transitions.

Supports 1080p resolution at 30 FPS in Standard mode, with an option for High-Quality mode at 60 FPS for dynamic content.

Key Features

• Enterprise streaming solution for direct livestreaming without a PC
  
• 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

Technical Specifications

VIDEO
Video Processing
4:2:2 (Y/Pb/Pr), 8-bit
Input Formats
HDMI IN 1--2 connectors
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
* HDCP is not supported.
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).
* HDCP is not supported.
Stream, Video Recorder, and Audio Recorder formats
File Format: MP4
Video Codec
H.264, profile High/Main/Baseline
720/59.94p, 720/50p, 1080/59.94p, 1080/50p
target bitrate up to 20,000 kbps,
Audio Codec
AAC LC 48kHz 16bit Stereo, target bitrate up to 384 kbps
File Format: WAV
Audio Codec
Linear PCM, 16 bit/48 kHz, stereo
Video Player
File Format: MP4
Video Codec
H.264
Maximum 1080p29.97
Average bit rate of 10,000 kbps or less
Audio Codec
AAC LC 48kHz 16bit Stereo
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
Import Still Image
PNG File (.png), Maximum 1920 x 1080 pixels, 24-bit color (alpha channel not supported)
JPEG File (.jpg .jpeg), Maximum 1920 x 1080 pixels, 24-bit color
Save Still Image
JPEG File (.jpg), 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
SDXC/SDHC card (sold separately)
* SDXC card is required for video recording. When using the SR-20HD, you must always install an SD card.
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