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用于混合音视频分发的半导体解决方案
A unique feature of Semtech’s ProAV ASIC solutions is interoperability between products using AVXT Extender and BlueRiver® AV Processor devices. An AVXT-based product will work with any AVP-based product, with not only the physical interface and protocol compatible between the two product families, but both can be configured and controlled using the SDVoE Application Programming Interface, or API. The SDVoE API standard interface manages switching, configuration and processing with single system-level control for any number of interoperable ASIC-based endpoints.
Both AVXT and AVP use standard 10 Gigabit (10G) Ethernet connectivity and IP protocol to extend HDMI video up to 4K, multichannel digital audio and control interfaces, such as USB and RS-232, over 100m of copper category cabling, or many hundreds of meters over optical fiber. The key difference is that AVXT devices provide point-to-point 10G connectivity, while AVP powered products permit flexible IP networking capability using standard 10G Ethernet switches.
As shown in the diagram, installations may require a hybrid approach to AV distribution, where the core is based around IP networking, while in-room AV extension need only be point-to-point. The diagram illustrates how an AVXT switch can be connected directly to an AVP receiver driving the projector, providing connectivity for both local and remote sources. Installers can use a mix of AVXT and AVP, where AVP-based endpoints talking to AVXT can be re-purposed for future expansion to fully networked capability later.
Figure 1. Installations may require a unique approach that utilizes hybrid AV distribution. In this example, the AVXT switch is connected directly to an AVP receiver driving the projector, providing connectivity for both local and remote sources.
迁移到 AV-over-IP
In this diagram, the hybrid-based AV system has been upgraded to take full advantage of SDVoE, allowing all AV switching and extension to be controlled via software. Since an AVP Transceiver device was previously used for remote sources (connected to the AVXT switch via its HDMI output), the HDMI input is now used to provide network connectivity of the local source. Using the existing AVP receiver, the projector now connected directly to the SDVoE network, allowing display of both local and remote sources switched via the 10G network, without limitation. With an AVP2000-enabled receiver driving the projector, installers can upgrade user software tools to allow multiview modes, such as quad slit or picture in picture (PIP), where the projector can show both local and multiple remote sources simultaneously. This approach clearly shows the cost and flexibility benefits of an all IP-based AV system, since less hardware is required in the huddle room and advanced display modes enabled without the need to purchase dedicated multiview processors.
图 2.这种混合视听系统充分利用了 SDVoE，可通过软件控制所有视听切换和混合视听扩展。
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混合视听推荐解决方案
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BlueRiver AV Manager Software
Control AV distribution systems and endpoints compatible with SDVoE with free, easy to use software.
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