Heartland Video Systems (HVS) has been your trusted partner in pioneering cutting-edge video systems and solutions for Broadcast, AV, and Streaming technologies. We are the default support line for video engineers, ATSC 3.0 implementation …

Our dedication to customer service excellence ensures your broadcast and video production systems function flawlessly. Take your broadcasts to the next level. Heartland offers a comprehensive range of broadcast services and products, all tailored to …

Introducing HVS-190S/190I, a portable 1 M/E video switcher that builds on the features of the capable and popular HVS-490. Take advantage of remote control for off-site event management, and add an HVS-NIF card for NDI connectivity in a highly reliable mixed SDI/IP system.

Control multiple PTZ cameras—pan, tilt, or zoom, activate tally lights, set or apply presets, or use stored macros for video switching coordinated by bus buttons. Connect to up to 16 cameras.

1 天前 · The HVS-190S/190I is a 1 M/E video switcher with NDI® connectivity, offering a feature-rich yet compact and cost-effective solution. Click here to explore the operation, features, and …

HVS-490 is a 4K-compatible video switcher with flexible expandability; ideal for live events, news studios, OB vans, sports, and many other settings.

We deliver broadcasting solutions from industry-leading broadcast equipment manufacturers and comprehensive resources for Video Broadcast. We provide a technical support helpline to promptly address any questions or concerns our customers may have. At Heartland Video Systems, we make ourselves available to you!

HVS模型通常用于简化需要可视化/感知的复杂的生物过程。 由于HVS由非线性空间频率信道组成，因此可以使用非线性模型对其进行建模。 为了简化分析，一种方法是将线性模型作为第一近似模型，该模型会忽略HVS的非线性因素。

在快速大规模场景变化和物体剧烈运动期间，HVS的灵敏度会降低，从而导致运动掩蔽效应（motion masking） 1。 在这种快速变换场景下，强度的时间不连续性会导致可见度阈值的升高。

2025年1月14日 · Heartland Video Systems (HVS), a video systems integration and consulting firm, says it has acquired Videstra, a company offering integrated solutions that brings Micro-Local cameras (weather, tower, rooftop, and DOT*) into a broadcast station’s production environment.