--- title: BlueRiver® Technology Achieves Record Low Latency for Professional AV description: Learn more about BlueRiver Technology and how it achieves unprecedented low-latency. image: https://blog.semtech.com/hubfs/semtech-blog-blueriver-proav20-social.jpg --- [Skip to main content](https://blog.semtech.com/blueriver-technology-achieves-unprecedented-low-latency#content) - [Cross Reference](https://www.semtech.com/design-support/cross-reference-search) - [Parametric](https://www.semtech.com/design-support/parametric-search) - [Shop](https://www.semtech.com/shop) - [Investors](https://investors.semtech.com/) - [mySemtech](https://semtech.my.site.com/DP/) - EN - [EN](https://www.semtech.com/) - [CN (中文)](https://www.semtech.cn/) - [JP (日本語)](https://www.semtech.jp/) - [FR](https://www.semtech.fr/) [![Semtech](https://www.semtech.com/uploads/images/semtech-logo.svg "Semtech")](https://www.semtech.com) - [LoRa®](https://www.semtech.com/lora) - [LoRa® Overview](https://www.semtech.com/lora) ### LoRa Overview LoRa is the de facto wireless platform of Internet of Things (IoT). Semtech's LoRa chipsets connect sensors to the Cloud and enable real-time communication of data and analytics that can be utilized to enhance efficiency and productivity. [Read More](https://www.semtech.com/lora) - [LoRa (PHY)](https://www.semtech.com/lora/what-is-lora) - [Benefits of LoRa](https://www.semtech.com/lora/why-lora) - [LoRaWAN® Standard](https://www.semtech.com/lora/lorawan-standard) - [Products](https://www.semtech.com/products/wireless-rf) - [Applications](https://www.semtech.com/lora/lora-applications) ### Applications Overview With an ever-increasing number of IoT vertical applications, LoRa devices and the LoRaWAN standard is creating business efficiencies and improving lives around the world. 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[Read More](https://www.semtech.com/lora/ecosystem) - [LoRa Alliance®](https://www.semtech.com/lora/ecosystem/lora-alliance) - [Featured Sensor Use Cases](https://www.semtech.com/lora/ecosystem/sensor-features) - [Gateways](https://www.semtech.com/lora/ecosystem/gateways) - [Software](https://www.semtech.com/lora/ecosystem/software) - [Networks](https://www.semtech.com/lora/ecosystem/networks) - [Industry Alliances](https://www.semtech.com/lora/ecosystem/industry-alliances) - [Resources](https://www.semtech.com/lora/resources) ### Resources Overview Explore our top resources to help you learn more about LoRa devices and the LoRaWAN standard or bring a LoRa-based solution to market. 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[Read More](https://www.semtech.com/products/wireless-rf) - [ICs for Gateways](https://www.semtech.com/products/wireless-rf/lora-core) - [ICs for Sensors](https://www.semtech.com/products/wireless-rf/lora-connect) - [LoRa Cloud™](https://loracloud.com) - [Software Library](https://www.semtech.com/products/wireless-rf/software-library-protocol-solution) - [Circuit Protection](https://www.semtech.com/products/circuit-protection) ### Products Overview Sophisticated devices that protect sensitive circuitry from Electrostatic Discharge (ESD), Electrical Fast Transients (EFT), Cable Discharge Events (CDE), and other electrical overstress. 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[Read More](https://www.semtech.com/products/professional-av) - [BlueRiver®](https://www.semtech.com/products/professional-av/blueriver) - [USB Extension](https://www.semtech.com/products/professional-av/usb-extension) - [PerSe® Smart Sensing](https://www.semtech.com/products/perse-smart-sensing) ### Products Overview Ultra-low power, feature-rich touch controllers that are optimized for numerous applications and provide best-in-class sensitivity with robust noise immunity to enhance touch and near range proximity detection. 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[Read More](https://www.semtech.com/lora) - [LoRa (PHY)](https://www.semtech.com/lora/what-is-lora) - [Benefits of LoRa](https://www.semtech.com/lora/why-lora) - [LoRaWAN® Standard](https://www.semtech.com/lora/lorawan-standard) - [PerSe® Smart Sensing](https://www.semtech.com/technology/perse) ### PerSe® Smart Sensing Overview Semtech's PerSe technology intelligently senses human presence for optimized connectivity and enhanced user experience. [Read More](https://www.semtech.com/technology/perse) ### Quick Links - [Infographic](https://info.semtech.com/perse-smart-sensing-infographic) - [Brochure](https://www.semtech.com/uploads/common/PerSe_One_Pager.pdf) - [Blogs](https://blog.semtech.com/topic/perse) - [Products](https://www.semtech.com/products/perse-smart-sensing) - [Tri-Edge™ PAM4 CDR](https://www.semtech.com/technology/tri-edge) ### Tri-Edge PAM4 CDR Overview Tri-Edge is a CDR platform optimized for PAM4 optical interconnect in next-generation 200G and 400G data center module and AOC applications. 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[Read More](https://www.semtech.com/design-support/) - [Product Guides](https://www.semtech.com/design-support/product-guides) - [Development Support Documentation](https://www.semtech.com/design-support/development-support-documents/) - [Parametric Search](https://www.semtech.com/design-support/parametric-search) - [Quality Assurance](https://www.semtech.com/quality/search-pb-lead-free-rohs-green) - [LoRa GitHub](https://github.com/LoRa-Net) - [LoRa PCB Design Review](https://info.semtech.com/pcb-design-review-service) - [LoRa Calculator](https://www.semtech.com/design-support/lora-calculator) - [LoRaWAN Academy and Training](https://learn.semtech.com/) - [Product Cross Reference Search](https://www.semtech.com/design-support/cross-reference-search) - [Frequently Asked Questions](https://www.semtech.com/design-support/faq) - [mySemtech Document Portal](https://semtech.my.site.com/DP/) - [IoT Applications](https://www.semtech.com/applications) ### Internet of Things Award-winning LoRa Technology, ESD and surge protection, and smart control platforms for Internet of Things-enabled devices and low power, wide area network (LPWAN) infrastructure. [Read More](https://www.semtech.com/applications) - - [Smart Agriculture](https://www.semtech.com/applications/internet-of-things/smart-agriculture) - [Smart Buildings](https://www.semtech.com/applications/internet-of-things/smart-building-automation) - [Smart Cities](https://www.semtech.com/applications/internet-of-things/smart-cities) - [Smart Emergency](https://www.semtech.com/applications/internet-of-things/smart-emergency-response) - [Smart Environment](https://www.semtech.com/applications/internet-of-things/smart-environment) - [Smart Healthcare](https://www.semtech.com/applications/internet-of-things/smart-healthcare) - [Smart Home](https://www.semtech.com/applications/internet-of-things/smart-home-automation) - [Smart Industrial](https://www.semtech.com/applications/internet-of-things/smart-industrial-iot) - [Smart Logistics](https://www.semtech.com/applications/internet-of-things/logistics-supply-chain-management) - [Smart Utilities](https://www.semtech.com/applications/internet-of-things/smart-utilities) - [Smart Consumer](https://www.semtech.com/applications/internet-of-things/smart-consumer) - [Professional AV Applications](https://www.semtech.com/applications/pro-av-applications) ### Professional AV AptoVision BlueRiver™ Technology uses commercial-off-the-shelf Ethernet networks to deliver higher performance, flexibility, and scalability to the Pro AV industry. [Read More](https://www.semtech.com/applications/pro-av-applications) - - [AV Over IP](https://www.semtech.com/applications/pro-av-applications/av-over-ip) - [BYOM Video Conferencing](https://www.semtech.com/applications/pro-av-applications/byom-video-conferencing) - [HDMI Extender](https://www.semtech.com/applications/pro-av-applications/hdmi-extension) - [HDMI Wall Plates](https://www.semtech.com/applications/pro-av-applications/hdmi-wallplates) - [Hybrid AV Distribution](https://www.semtech.com/applications/pro-av-applications/hybrid-av-distribution) - [KVM Switches](https://www.semtech.com/applications/pro-av-applications/kvm-switches) - [Multiviewers](https://www.semtech.com/applications/pro-av-applications/multiviewers) - [Point-to-Point Matrix Switching](https://www.semtech.com/applications/pro-av-applications/point-to-point-matrix-switching) - [Presentation Switchers](https://www.semtech.com/applications/pro-av-applications/presentation-switchers) - [SDI Equipment](https://www.semtech.com/applications/pro-av-applications/sdi-equipment) - [SDVoE™ Integration](https://www.semtech.com/applications/pro-av-applications/sdvoe-integration) - [Smart Display Modules (SDM)](https://www.semtech.com/applications/pro-av-applications/smart-display-modules-sdm) - [USB-C](https://www.semtech.com/applications/pro-av-applications/usb-c) - [Video Walls](https://www.semtech.com/applications/pro-av-applications/video-walls) - [Other Applications](https://www.semtech.com/applications) ### Other Applications Award-winning LoRa Technology, ESD and surge protection, and smart control platforms for Internet of Things-enabled devices and low power, wide area network (LPWAN) infrastructure. [Read More](https://www.semtech.com/applications) - [Automotive](https://www.semtech.com/applications/automotive-apps) - [Advanced Driver Assistance Systems](https://www.semtech.com/applications/automotive-apps/adas-body-electronics) - [Automotive Battery Management Systems](https://www.semtech.com/applications/automotive-apps/automotive-battery-management-systems) - [Automotive USB Charger](https://www.semtech.com/applications/automotive-apps/dashboard-electronics-usb-charging) - [Infotainment Unit](https://www.semtech.com/applications/automotive-apps/navigation-infotainment) - [Remote Keyless Entry](https://www.semtech.com/applications/automotive-apps/remote-keyless-entry) - [Telematics Unit](https://www.semtech.com/applications/automotive-apps/telematics-unit) - [Broadcast Video](https://www.semtech.com/applications/broadcast-video-applications) - [Broadcast Equipment](https://www.semtech.com/applications/broadcast-video-applications/broadcast-equipment) - [Consumer Electronics](https://www.semtech.com/applications/consumer-electronics) - [Mobile Devices](https://www.semtech.com/applications/consumer-electronics/mobile-devices) - [Wearables](https://www.semtech.com/applications/consumer-electronics/wearables) - [TVs, Set Top Boxes, Monitors](https://www.semtech.com/applications/consumer-electronics/tvs-set-top-boxes-monitors) - [Laptops, Tablets, Computers](https://www.semtech.com/applications/consumer-electronics/laptops-tablets-computers) - [Appliances & White Goods](https://www.semtech.com/applications/consumer-electronics/appliances-white-goods) - [Computers, Printers, Scanners](https://www.semtech.com/applications/consumer-electronics/computers-printers-scanners) - [Industrial](https://www.semtech.com/applications/industrial-applications) - [Medical Equipment](https://www.semtech.com/applications/industrial-applications/medical-equipment) - [Factory Automation](https://www.semtech.com/applications/industrial-applications/factory-automation) - [Energy, Smart Grids, Smart Metering](https://www.semtech.com/applications/industrial-applications/energy-smart-grids-smart-metering) - [Surveillance](https://www.semtech.com/applications/industrial-applications/surveillance) - [Test & Measurement](https://www.semtech.com/applications/industrial-applications/test-measurement) - [Power Tools](https://www.semtech.com/applications/industrial-applications/power-tools) - [Infrastructure](https://www.semtech.com/applications/infrastructure) - [Data Centers](https://www.semtech.com/applications/infrastructure/enterprise-datacenters) - [Passive Optical Networks / Fiber to the Home](https://www.semtech.com/applications/infrastructure/enterprise-passive-optical-networks-fiber-to-the-home) - [Broadband](https://www.semtech.com/applications/infrastructure/enterprise-broadband) - [Networking & Optical Communications](https://www.semtech.com/applications/networking-communication) - [Broadband](https://www.semtech.com/applications/networking-communication/broadband) - [Passive Optical Networks / Fiber to the Home](https://www.semtech.com/applications/networking-communication/passive-optical-networks) - [ISM Networks](https://www.semtech.com/applications/networking-communication/ism-networks) - [Wireless Infrastructure, Base Stations](https://www.semtech.com/applications/networking-communication/wireless-infrastructure-base-stations) - [Data Centers](https://www.semtech.com/applications/networking-communication/datacenters) - [Quality](https://www.semtech.com/quality) - ### Quality Overview Ethical standards drive peak customer satisfaction. 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[Blog](https://blog.semtech.com/)  06 December, 2017   2 min read # BlueRiver® Technology Achieves Record Low Latency for Professional AV  Semtech Corporate Marketing Latency (or image delay) is an important measure of AV-over-IP systems and a major focus for consumers and technical end users. Simply, latency is the measurement of delay from when a video image leaves its source device to when that image is displayed on screen. The total delay time is the sum of encoding time, transport delay, decoding time, and processing time. Users have been accustomed to the latency of a traditional matrix switch: under 1 millisecond. Many AV-over-IP systems have a latency range of 100 to 1,000 milliseconds. Because the latency is based solely on transport delay (no encoding, decoding, or processing), matrix switches have traditionally been the only solution for ultra-low latency distribution. ## BlueRiver® Technology Achieves Record Low Latency for Professional AVIs latency impacting the success of your video signals? Developed to outperform and even replace matrix switches, Semtech’s BlueRiver technology was innovated with efficiency in mind. Today, BlueRiver delivers exceptionally low latency by delivering the latest 4K content in as little as 0.1 milliseconds – one tenth of a millisecond. But what happens when advanced video processing is added to this world-class low latency transport? ### The Problem A video scaler is the device responsible for processing video signals and altering their format. A video’s format consists of resolution and frame rate. Today’s popular resolutions vary from 720p, 1080p, to 4k and frame rate can vary from 24 frames per second to 60 frames per second. A typical video scaler includes an integrated frame buffer to enable frame rate conversion, and to simplify the architecture of the scaler itself. Frame buffers, however, add one or more frames of latency (potentially over 80 milliseconds!) simply because each frame must be stored for at least one frame period. ### The Solution In order to develop ground-breaking technology, the engineers of BlueRiver altered their focus. By concentrating on transforming the existing process, as opposed to working within the confines of what already existed, they were able to achieve minimal latency. The answer to lessening delay times was solved by transforming the part of the process that was causing extra delays. Instead of using a video scaler with a frame buffer and accepting the additional latency, the scaler inside BlueRiver was made so that the scaling function could be deployed independently from the frame buffer. This new architecture completely eliminates the long delays associated with older AV processing technologies. Even with its video scaler enabled, BlueRiver’s end-to-end latency is approximately 3 milliseconds which is notably faster than competitors who claim 30 milliseconds and up. Learn more about BlueRiver's Pro AV-over-IP solutions. [![EXPLORE BlueRiver TECHNOLOGY](https://no-cache.hubspot.com/cta/default/2507363/885d7eef-3eac-4e83-a399-da0bb2e527c3.png)](https://cta-redirect.hubspot.com/cta/redirect/2507363/885d7eef-3eac-4e83-a399-da0bb2e527c3)   *Semtech®, the Semtech logo, and BlueRiver® are registered trademarks or service marks of Semtech Corporation or its affiliates.* *Other product or service names mentioned herein may be the trademarks of their respective owners.* --- [Professional AV](https://blog.semtech.com/topic/professional-av) [BlueRiver](https://blog.semtech.com/topic/blueriver) ### Sign Up for Blog Updates Get innovation delivered to your inbox. 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