Ultra Low Latency Video Streaming Technology

Encrypted reliable live video streaming technology 
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Ultra Low Latency Video Streaming Technology

The Zao technology can live stream video from a remote location back to any destination. But with an incredible glass-to-glass latency of only 0,04s (40ms) over LAN, or 0,065s (65ms) over 4G.

From broadcast applications, such as news gathering, to public safety, teleoperations, law enforcement and military applications, the Zao-SH can be utilized to send an encrypted live stream from a broadcast or surveillance camera, drone, vehicle, body cam or helicopter.

The technology includes an H.265 HEVC encoder that can be used in a variety of video contribution scenarios.


The solution can send a fully encrypted live stream, but simultaneously a return data feed can be sent from the destination back to the transmitter, for example to control a PTZ camera or to remotely control a drone gimbal.

The technology can live stream reliably over multiple bonded 4G SIM cards from different network providers, and /or can be utilized with a LAN connector.

At the receiving end, a Linux based software decoder will provide a video output of the live video. End to end latency starts at a remarkable 0,04s.

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Shoot
The period from when the light enters the lens of the camera until video data is on the output of the SDI/HDMI terminal on the camera

Capture
The period from capturing video data from SDI/HDMI and performing color space conversion until it is input to the encoder

Encode
The encoding (compression) time

Transfer
The period in which compressed data is extracted from the encoder and divided into communication packets for multilink transmission/reception. Includes time for error correction and packet sorting between each connection

Transfer
The period in which compressed data is extracted from the encoder and divided into communication packets for multilink transmission/reception. Includes time for error correction and packet sorting between each connection

Decode
The decoding (uncompression) time

AV Sync
The time until adjusting audio and video timing and outputting to SDI/HDMI

Display
The period from SDI/HDMI output of the receiver to display the video on monitor (monitor-dependent part)

Functions/Features of Ultra Low Latency Technology


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Very short delay / RASCOW2

Ultra Low Latency

In order to solve the delay problem that occurs during simple transmission, Soliton developed RASCOW2, which is the second version of RASCOW (Real-time Auto Speed Control based On Waterway-model) Solitons’s original codec management/communication protocol. RASCOW2 makes the encoding procedure faster while controlling all transmission settings faster and more efficiently. This feature succeeded in significantly reducing the delay associated with compression.

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Remote Control Function

Remote driving or remote operation

With almost zero latency, it is now possible to remotely control a car or construction equipment connected to Zao-SH in a remote location. Until now, the delay on live control transmission systems was too large and it was difficult to perform remote operations safely with a live video stream. With the ultra-low latency Zao-SH, it is possible to control machinery effectively with a live video stream that is in almost real time from a remote location.

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World's lightest

Mobile encoder

It is a palm-sized ultra-compact unit weighing 350g. It operates for approximately 60 minutes with the built-in battery and an additional 4 hours continuous operation with an external battery.

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Stable and high speed

Multilink Bonding

Mobile networks of different cellular carriers can be bonded into one network to significantly increase bandwidth and stabilize the communication speed.

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High compression

H.265/HEVC

Equipped with a highly efficient HEVC/H.265 hardware encoder, when compared to a traditional H.264 codec, it can transmit video with almost twice more efficiency.

Configuration


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Basic configuration

Connect the video camera to the transmitter body and send the video directly to the receiver via mobile network or wired LAN.

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Remote control configuration

Control signals from the controller connected to the receiver are sent to the transmitter main unit and used to control a car or any type of machine.