Showing Posts From
Audio/Video
9 articles
- 28 Mar, 2026
Summary of Audio FFT Calculation Workflow and Spectrum Interpretation
This article summarizes the principles, parameters, and calculation workflows for performing FFT on speech signal sequences to obtain their …
- 25 Jan, 2025
Thoughts on AI NVRs and Ingenic's AI NVR Platform A1
Ingenic's A1 series is an integrated solution tailored for the NVR market. Compared to traditional NVR solutions, its standout feature is th…
- 10 Oct, 2024
Research on WeChat IoT Platform and Its Audio/Video Capabilities for IoT Product Integration
Overview of the WeChat Ecosystem-Based IoT Platform The WeChat IoT Platform is a comprehensive cloud and audio/video integration solution pr…
- 16 Mar, 2022
H.264 Basic Concepts Summary: Slice and NALU
VCL and NAL VCL: Video Coding Layer. NAL: Network Abstraction Layer. In the H.264/AVC video coding standard, the entire system framework is …
- 22 Sep, 2020
Reverse Control Protocol for AHD Analog Cameras - CoaxialProtocol
Background - For controlling the lens movements of a PTZ camera, using the IP protocol is straightforward: IP cameras and control hosts can …
- 31 Jul, 2020
Summary of Zoom Lens Classification and Zoom Principles
Zoom Classification and Principles of Zoom Implementation The zoom capability we commonly refer to can generally be divided into two types: …
- 26 May, 2020
Hisilicon 35XX Series HiMPP Framework Development Reference - VI Module
Main Reference Document: "HiMPP V3.0 Media Processing Software Development Reference". Document Version: 21. Document Release Date: 2019-09-…
- 18 May, 2020
Understanding the Basic Concepts of BT.601/BT.656/BT.1120
To clearly explain the origins of standards like BT.656, BT.601, and BT.1120, we must start with the earliest analog video technology. Early…
- 12 May, 2020
Two Fundamental Concepts in H.264: IDR, dts/pts
Distinction Between IDR Frames and I Frames IDR: Instantaneous Decoding Refresh. The distinction between I frames and IDR frames involves th…