Networked AV Report demonstrates the innovations and emerging technology in the domain of the Audio Visuals industry. AV over IP systems has some key benefits like being highly scalable, easy to install, cost savings, and secure & manageable. With sales of networked AV products increasing by 130 percent year-over-year, it now has a very significant role to play.
Networked AV has been around for more than a decade. It appeared as a revolutionary innovation in the AV industry for its potential to transmit data from multiple sources to a huge number of outputs. AV over IP is the transmission of audio, video, and other signals over the internet, LAN, or WAN networks.
Challenges With Audio Video Network
A higher-rate MCS can result in a failed transmission. In this case, retransmission is required, which largely degrades the system throughput. The physical capacity of the network over which the IP packets are passed may not be able to physically route the IP packets. Therefore, there is an increased risk of AV data being sent as IP packets to multiple devices in a format or resolution that is not of the highest available quality that the receiving device supports.
Advancement in AV Network
Networked AV report hereby discusses advancements in AV networks. A convolutional neural network framework for adaptive modulation and coding (AMC) is presented. The SDN controller manages the flow of data traffic around the network according to forwarding policies put in place by the network administrator. The monitoring device acts to check compatibility and issue a warning when an incompatibility is detected.
Deep Learning-Based Link Adaptation
Networked AV report talks about a simple, yet powerful, loss function to reduce the number of retransmissions due to higher-rate MCS classification errors. Since wireless channels change significantly due to the surrounding environment, a huge dataset is generated to cover all possible propagation conditions.
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However, to reduce training complexity, we train the CNN model using part of the dataset. The effect of different subdataset selection criteria on classification accuracy is studied. It is shown that some criteria for dataset selection consistently behave better than others. The simulation results show that the proposed loss function reduces up to 50% of retransmissions compared to traditional loss functions. Finally, we propose an optimal subdataset selection criterion.
Monitoring Of Network Load
A method of monitoring a network has a first and second device, comprising: receiving IP packets containing media content from the first device on the network, the IP packets being sent to the second device. Analyzing the received IP packets to determine a parameter of the media content. Analyzing the parameter of the media content and a parameter associated with the second device and performing a predetermined action in the event that the parameter of the media content is different from the parameter associated with the second device.
Evolution of AV Network
It is necessary to understand the evolution of the AV networks therefore the networked AV report discusses evolution. Remove the need for proprietary hardware by replacing it with one standard, commercially available server that connects your multiple AV sources directly to your video wall screens across the network. For high availability add a second failover server.
The Maevex 6152 decoder features unprecedented decoding support of up to four 4K streams, or many lower resolution streams, from a single standalone appliance. Users can address one or more streams per display by selecting from an assortment of pre-configured layouts for each screen. Combining seamlessly with both Maevex 6100 Series encoder streams and industry-standard H.264 third-party encoder streams, Maevex 6152 makes it easy to create advanced and integrated decoding solutions.
Optimal Subdataset Selection Criterion
For reducing training complexity, we train the CNN model using part of the dataset. The effect of different subdataset selection criteria on classification accuracy is studied. It is shown that some criteria for dataset selection consistently behave better than others.
Global Audio-Visual over IP Platform Market
The increasing need to transfer more complex data over longer distances by IP transmission systems is driving the market. Using IP AV technology is relatively new and perceived as expensive. However, with the growing adoption of smart home devices. The use of IP AV Technology is becoming more acceptable and adopted.
ZyPer4K (SDVoE): ZeeVee Inc has made a product using industry-standard CAT 6a cables, or fiber. It helps in sending audio and video from HDMI, SDI, Analog, and DisplayPort sources up to 100 meters and using the USB port, control keyboards, mice, and cameras directly over the network.
UBEX-MMU-X200: Lightware has developed UBEX-MMU-X200 is a Matrix Management Unit (MMU) for the UBEX AV Over IP optical extender product line. With a standard Ethernet switch installed as a crosspoint, a virtual matrix can be created with UBEX devices connected to the IP network as input and output endpoints. The virtual matrix established requires to be managed and controlled by the MMU also connecting to the Ethernet switch.0
iMAGsystems is a PRO AV manufacturer. They facilitate communication using audio-visual materials in spaces like corporate meetings, education institutions, entertainment venues, medical facilities, and retail spaces. Its headquarters are in Australia.
Blustream offers a range of presentation switchers, signage routers, and distribution products including 4K 18-gigabit-per-second 4:4:4 AV-over-IP products, HDMI, and HDBaseT products, and the Blustream Multicast UHD distribution platform over a 1-Gb network switch. Its headquarters are in Australia.
- Audinate Group Ltd has the vision to pioneer the future of AV. Audinate’s award-winning Dante AV over IP networking solution is the worldwide leader and is used extensively in the professional live sound, commercial installation, broadcast, public address, and recording industries. It is headquartered in Sydney (Australia).
- intoPIX is creating and implementing leading-edge image and video compression, security, video transport FPGA/ASIC IP-cores, and Software solutions for audiovisual applications. It is headquartered in Belgium.
- Userful is making an AV-over-IP platform to facilitate centralized management of the visual network, improving scalability and security in applications ranging from control rooms to manufacturing floors, executive data visualization and more to accelerate their growth. It is headquartered in California (USA).
- Crestron is the manufacturer and distributor of audiovisual automation and integration equipment. They control technology in commercial audiovisual environments such as meeting spaces, conference rooms, classrooms, and auditoriums; Crestron equipment is also used for high-end residential audiovisual installations. It is headquartered in Rockleigh, New Jersey (USA).
Acquisitions and Collaborations
On June 29, 2017, Semtech Corporation, a leading supplier of high-performance analog, mixed-signal semiconductors, and algorithms, announced the signing of a definitive agreement to acquire AptoVision Technologies Inc., a privately-held provider of uncompressed, zero-frame latency, Video over IP solutions addressing the exciting Pro AV market.
Solotech has acquired Miami StageCraft, a lighting sales and integration company located in Miami, FL. After acquiring Pro Sound & Video, SEAL, and Show Systems in January 2020, Solotech says it is once again expanding its service offering and inventory to better support local clients and ensure growth.
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