SAA7129AH

 

A digital video encoder is a marvelous piece of technology. The primary function of a digital video encoder is that it takes a video signal that might have up to 3 gigabits per second for a high definition (HD) video, and it squeezes that video into an IP stream that might be anywhere between 1 megabit per second to 10 megabits per second. It effectively takes information, and in near real-time squeezes that information down by 1000 times. In executing this challenge, video encoders take advantage of compression stands. The H264 typically has the news for compressing the video or algorithms that create this 1000 to 1 compression.

In contrast, HEVC or H265 is the new video standard that is twice as effective as H264. Every generation of video standards provides a quantum leap of 2 to 1 performance improvement over compressing the video. This saves you the bandwidth, or it increases the quality of the constant bandwidth lengths.


 

The importance of video encoding cannot be neglected as it allows a business to transmit video content over the Internet efficiently. In video streaming services, encoding is crucial. Allowing for effective transmission of video content by reducing the bandwidth while still maintaining a good quality of experience for end viewers. If all video content was not compressed, available bandwidth on the Internet would be inadequate to transmit and would prevent viewers from deploying widespread, distributed video playback services. The fact that we can stream video on multiple devices in our homes, on the go using mobile, or even while video chatting with loved ones across the globe, is owed to video encoding.

SAA7129AH (digital video encoder )encodes digital luminance and color difference signals into analog CVBS, S-video, and RGB or CR-Y-CB signals. SAA7129AH supports NTSC-M, PAL-B/G, SECAM, and sub-standards. SAA7129AH provides both interlaced and non-interlaced operations for all standards. The basic encoder function of SAA7129AH consists of subcarrier generation, color modulation, and insertion of synchronization signals. SAA7129AH filters Luminance and chrominance signals following the standard requirements of “RS-170-A” and “ITU-R BT.470-3”. With SAA7129AH, the signals are twice oversampled concerning the pixel clock before digital-to-analog conversion to ease analog post-filtering.

The advantages of SAA7129AH are the numerous features and flexibility it provides when it comes to video encoding. SAA7129AH provides real-time control of subcarrier and cross color reduction filters. SAA7129AH encoder has flexibility through a programmable horizontal, vertical input synchronization phase and a programmable horizontal sync output phase. Apart from these features, SAA7129AH provides numerous other features that make it one of the best products in its domain.

SAA7129AH functionality and features allow it to be used for a large number of applications when it comes to digital Tv broadcast, digital cinema, and video playback from DVD or Blu-ray players

 

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