The compact SR-20HD Direct Streaming AV Mixer makes it easy to produce content and encode livestreams for your business or organization—without the need for a computer. Just connect your AV devices and securely stream directly to multiple platforms over LAN. You can also record directly to SDXC media for archiving and later distribution. Everything you need is integrated into a single portable 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.
- 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
- 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
- * 0 dBu = 0.775 Vrms
All specifications and appearances are subject to change.