By PURPLELEC | 14 June 2024 | 0 Comments
Multi-interface HD capture card becomes the new darling of streaming media
The quality of video signal has always been one of the multimedia technologies that people are concerned about in pursuit of visual enjoyment. With the development and application of audio and video processing technology and streaming media technology, high-definition video live broadcasting and high-definition recording and broadcasting system have become another application form in addition to high-definition video conferencing in the current Internet-based audio and video communication application engineering.
Because the video signal format and quality of the output of various video interfaces have their own different technical characteristics, after the emergence of computers and networks, especially after the disclosure of various interfaces for computer multimedia information processing technology, similar to the current various software development platforms, many computer hardware and software equipment manufacturers have joined forces to launch various video interface standards. For example, now in the digital market speculation hot HDMI interface is by Hitachi, Panasonic, SONY, Toshiba, Philips, Thomson, and other seven companies jointly launched a video interface, aimed at organizing the traditional VGA analog video interface to unify the world trend, of course, now, HDMI high-definition audio and video interfaces based on DVI digital interfaces also face many new interface challenges, such as DP interface (DisplayPort), lightning interface (Thunderbolt).
First-class enterprises to do standard second-rate enterprises to do the brand, standing in the top of multimedia technology companies are trying to unify the video interface, at a lower cost to capture the PC market, the result now has a variety of standard definition video interface, high-definition interface, digital interface, analog interface coexist status quo. 1394, USB, SDI, VGA, DVI, HDMI and other video interface standards and versions have opened the market pattern.
In the current audio and video equipment, the number and type of audio and video interface supported by a product has also become one of the measurement standards of many manufacturers of technology, such as HDMI interface, many projectors, flat screen TVS, smartphones are supported by HDMI interface as a selling point to attract consumers. For the current company office, projectors, monitors and other VGA analog interface, HDMI interface display equipment is very popular, support for traditional CVBS composite Video AV interface (Audio audio and video Video) equipment is also numerous.
In this era of the pursuit of high-definition video effects, a variety of standard definition and high-definition equipment keep pace, common use can better obtain better video signals while reducing costs as much as possible, then, compatibility, stability with a large number of equipment support of the traditional AV audio and video interface and analog video interface video interface, how to fight with high-definition audio and video interface equipment? Video equipment that can be compatible with various current video interfaces has become a highlight of audio and video application engineering in the current era of diversified audio and video interfaces, diversified terminal equipment and multi-polarization of application levels.
For various audio and video systems for professional audio and video streaming media acquisition card and launched the universal series of HD video capture card, can support the current common CVBS, VGA, DVI, component/composite, HDMI and other audio and video signal sources, such as universal video capture card VS067, this high-definition capture card can dynamically switch the type of input signal source, Support DVI, VGA, HDMI, component signal acquisition; Support hardware color conversion, output can output RGB24, RGB32, YUY2, UYVY, I420 and other color formats; Automatic VGA acquisition phase adjustment, support VGA signal acquisition of various resolutions such as 640x400-1920x1080, 480i, 576i, 480p, 576p, 720p, 1080i, 1080p and other conventional display resolution and non-standard resolution signals; It has the function of manually setting the effective picture area, which can be used for the cropping of the picture and support for the special input signal timing. The hardware support can be said to be the leader in the current streaming media capture card. And VS067 HD two-channel DVI/HDMI/VGA video capture card compatible with Windows DirectShow/DirectSound API, compatible with a large number of existing audio and video processing software and streaming media software, as long as it is based on Microsoft DirectShow development software can be used directly.
The acquisition and editing of multimedia content (text, still pictures, dynamic video, sound/audio) by Purplelec professional audio and video capture card ensures the application of multi-terminal and multi-mode in audio and video streaming media system. At present, HD VGA/DVI/HDMI video capture card is increasingly used in video conferencing, video live broadcasting, video recording and broadcasting, educational courseware recording, multimedia recording and broadcasting, large screen splicing, TV wall and other audio and video systems. It can be said that it is a safe and stable, compatible, multi-functional and multi-purpose product in the current HD streaming media capture card. It can improve effective resource utilization and provide more affordable and cost-effective solutions for various HD video industry applications.
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