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Audio and Video

9 articles

Webhooks and HTTP Push Features of Security Cameras

This article introduces the Webhooks and HTTP Push features supported by some security camera products for third-party alarm platforms, alon…

Lens Shading Issues in Camera Imaging

This article provides a detailed summary of the pervasive Lens Shading issue in optical imaging, analyzing the root causes and organizing th…

Working Principle and Workflow Summary of RGB-IR Sensors

Generally, the vast majority of the IP Camera (IPC) industry adopts a working mode of full color during the day and black-and-white for nigh…

A Comparison of Mainstream Wireless Casting Technologies

Wireless casting technologies can be broadly classified into two main categories based on how they are used: - Push Casting (Streaming): The…

UCConfig Learning Notes: UCConfig Mode 0

In Reference Document 1, UCConfig Mode 0 is defined as: "Non‐scalable single layer AVC bitstream with Simulcast (number of simulcast streams…

CMOS Sensor Exposure and Readout Timing

It has been a long time since I last debugged a CMOS sensor driver myself. Recently, I started working on debugging the DOL HDR mode drivers…

UCConfig Study Notes: UCConfig Mode 1

In Reference Document 1, UCConfig Mode 1 is defined as: SVC temporal scalability with hierarchical P with Simulcast (number of simulcast str…

H.264 Basics: A Summary of SVC

SVC (Scalable Video Coding) is an extension of the H.264 (AVC) video coding standard. The Problems SVC Aims to Solve The H.264 video compres…

Summary of Basic H.264 Concepts: SPS, PPS, and SEI

SPS - Sequence Parameter Set (SPS): This non-VCL NALU contains information required to configure the decoder such as profile, level, resolut…