SDI 接收器（解串行器）：3G、HD、SD 和 DVB-ASI
Semtech 的 SDI 接收器 (SerDes) 产品集成了接收 SDI 视频所需的高速、混合信号组件（解串行器、VCO、自适应电缆均衡器、时钟恢复器）和 SMPTE 数字视频音频处理。将所有这些组件集合在一个封装中，可减少实现 SDI 接收器所需的 PCB 尺寸，并可受益于我们卓越的防抖动性能。这种优化的 ASIC 实施更经济高效和节能，使您可以专注于增值处理，加快产品上市。
Our SDI receivers offer integrated SMPTE video processing including descrambling, word alignment, comprehensive error detection and correction, and ancillary data extraction. Additionally, each of our SDI receivers fully supports DVB-ASI inputs. Semtech’s latest receivers include an integrated SMPTE compliant audio de-embedder, supporting AES, I2S and serial digital audio output formats with audio clock generation; further reducing overall system costs.
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Semtech 信号完整性产品事业部…
In this fifth and final installment of the BlueRiver applications blog series, we’ll look at how two Semtech products lines – Semtech’s BlueRiver® ASIC platform for Pro AV and SDVoE™, and broadcast Serial Digital Interface (SDI) – can enable a unique set of “SDI-over-IP” products and applications.
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Whether you are watching an action replay of a baseball game on a giant screen at a stadium, a movie on your large-screen TV or streaming a video on your laptop computer, a high-quality audiovisual (AV) experience is always expected. Ultra-High-Definition Serial Digital Interface (UHD-SDI) and High-Definition Multimedia Interface (HDMI) are two standards for digital AV transmission. UHD-SDI standardizes the transmission of uncompressed and unencrypted digital AV signals over coaxial or fiber optic cables. HDMI is a digital interface for transmitting high-definition, high-speed digital multi-track audio and uncompressed video signals from HDMI-compliant sources to AV displays. Even though they both can transport ultra-high-definition AV signals from a source to a display, HDMI is preferred to connect consumer gadgets such as computers, gaming consoles, Blu-ray/DVD players, televisions, projectors, etc. UHD-SDI is preferred for high-end applications such as professional indoor/outdoor video production and television broadcasts because it supports long-range transmission and a rugged connection with the help of a physical lock mechanism at each end of the cable. UHD-SDI coaxial cable can transfer signals up to 300 feet, whereas HDMI cables struggle with excessive signal degradation even within 50 feet. These two interfaces can be used together via an HDMI-SDI or SDI-HDMI converter. For example, as shown in figure 1, an HDMI display would be used for confidence monitoring of an SDI stream to avoid the need to use specially calibrated SDI-specific displays.
Circuit Protection for HDMI-SDI/SDI-HDMI…
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