Tag: HD video codec
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Basic network equipment companies have now made the Internet come true, and Cisco Systems in Cisco Valley can be said to know how a company can use network-based resources to improve operational outcomes than anyone else. Now with ADI's Blackfin processor, leveraging its programmable flexibility and price/performance features, Cisco's new telepresence (remote-rendering) vision collaboration solution is expected to drive enterprise productivity to new heights.
Futurists have foreseen that telepresence systems are like a technology-based experience that accurately replicates existing environments in remote locations. In order to correctly use the word telepresence as its new IP-based video cooperating solution, Cisco must build a video with extremely high resolution (HD Video) and optimal level delay (not aware of time). Delayed products are communicated in a way that is limited by the bandwidth and uncertain current corporate network infrastructure.
Only by providing a better experience to users of new devices, Cisco is able to enable more effective remote business relationships between colleagues, partners, vendors and customers. The computational processing power required to achieve ultra-high resolution 1080P/30fps low-latency HD video codecs is difficult, not to mention the cost, cooling, and programmability requirements of Cisco developers for telepresence products.
Cisco finally adopted an array of Blackfin ADSP-BF561 processors to handle telepresence applications with a large number of operations. The ADSP-BF561 with dual symmetric 600MHz Blackfin core is functionally compatible with Cisco's advanced video processing applications.
What is Telepresence
Telepresence telepresence technology is a set of technologies that allow users to host and collaborate, just as all participants are in the same room. In those traditional video conferencing solutions that often fail to set or make users feel uncomfortable, well-designed telepresence solutions provide immediate and remote location connectivity, in a natural environment, with real-life appearance, live participants Video images, as well as high-fidelity, low-latency, point-and-click sound, perfectly align with facial expressions, and followers move as they move through the conference room.
Cisco's Blackfin-based telepresence products include the CTS1000, designed for executive offices, and the CTS3000 is a party-based complete solution for conference rooms. These solutions include everything you need to host a live meeting in two places. The conference room system includes ceiling lights that reduce the glare of the display, an elliptical table, chair, three 65-inch plasma displays, three cameras and a system cabinet with a Blackfin processor.
All of these things can be replicated in the remote user's conference room, creating the illusion of connections: the two conference tables will seamlessly combine into one. The CTS1000 system includes a 65-inch plasma display, a high-definition 1080p camera and a system cabinet. Enterprises only need to provide an empty conference room and Ethernet interface, and Cisco will perform network checks to ensure proper quality of service from the end-to-end through the network.
Cisco's experience with unified communications and IP telephony has made the easy setup and use of telepresence systems. With just a few clicks, users can immediately start a face-to-face meeting with thousands of kilometers of colleagues, and the HD video images of the system are real, so users often forget that other colleagues are not really in that room.
HD video high resolution video
There is an advanced video codec standard called H.264, which achieves very high data compression at a lower bit rate than the previous standard. The compressed original video can be accessed through an economical enterprise WAN (wide area network). link. Cisco's video codec is based on the H.264 video codec standard, which provides top-level latency and up to 1080p/30fps instant video resolution. By minimizing the latency of HD video codecs, Cisco's solution also gives the network more latency, allowing new applications to be processed with minimal network hardware and software upgrades, making deployment faster.
With a dual-symmetric 600MHz high-performance Blackfin core, the Blackfin ADSP-BF561 processor is ideal for Cisco's challenges and complex video applications. Cisco's video codec is distributed to multiple Blackfin ADSP-BF561s to provide 0.5MIPS of processing power to drive the video subsystem with optimal performance, enabling the deployment of real-world solutions.
The Blackfin ADSP-BF561 processor, often used in high-end multimedia and telecom applications, consists of two independent Blackfin processor cores. Each core contains two 16-bit multiplier/adder (MAC) latest processing engine, two 40-bit ALUs, four 8-bit video ALUs, a 40-bit shifter, plus a pure, orthogonal RISC The advantages of the -like (RISC-like) microprocessor instruction set, as well as single-instruction, multi-data (SIMD) multimedia capabilities, are all integrated into a single instruction set architecture.
Easy programming / low power
The Blackfin ADSP-BF561's RISC-like scratchpad and command mode are designed for easy programming, and as Cisco says, it reduces development costs, risk, and time-to-market. Blackfin's programmable architecture also allows for network upgrades without the need for costly ASIC hardware re-spins. Cisco also uses A.
DI's software and hardware development tools accelerate time to market and reduce costs. These tools include the VisuaIDSP++ development environment, which allows programmers to develop and debug applications, while the simulator hardware can be used to test and debug hardware and software.
Cisco uses a number of general-purpose digital video interfaces integrated into the Blackfin ADSP-BF561 processor to achieve a sophisticated system-on-a-chip system as a telepresence system codec. The general-purpose interface of the Blackfin ADSP-BF561 includes: two parallel peripheral interfaces (PPI) supporting ITU-R 656 video; a seamless interface to the analog front-end ADC; and two dual-channel, full-duplex synchronous serial ports. Stereo I2S channels; two 16-channel DMA controllers and one internal memory DMA controller; 12 general-purpose 32-bit timer/counters with PWM function; one SPI-compatible interface; one UART that supports IrDA; A watchdog timer; 48 programmable flags; and a built-in phase-locked loop (PLL) with 1x to 63x multiplier capability.
Blackfin's low power consumption helps Cisco limit the thermal processing of its telepresence system to a small, quiet fan. The airflow in the system cabinet is provided by the fan, which is critical to maintaining the environment around the conference room. Designed in low power and low voltage, the Blackfin processor allows developers
The operation of changing the voltage and frequency greatly reduces the overall power consumption. Cisco described the result as "a bunch of Blackfin processors that don't heat up" to drive their video subsystems, so no heat sink is needed in the design.
With the Blackfin processor, Cisco now has the high-compression HD video required for its next-generation telepresence system; its results can reduce travel time, cost and pressure for business executives and employees who are struggling to get around the road, they can now use IP-based video meets with partners, colleagues, or customers in a way that is as real as face-to-face communication, and the increased productivity and synergy will be unprecedented.
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