Editorial Technical Reference

Conference Audio and Video System

This page explains how Conference Audio and Video System is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A Conference Audio and Video System is an integrated set of microphones, speakers, cameras, and control units that enables real-time audiovisual communication in meeting rooms.

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Product Specifications

Technical details and manufacturing context for Conference Audio and Video System

Definition

This system is used in corporate boardrooms, huddle rooms, and educational facilities to facilitate video conferencing and local presentations. It is specified by the number of participants, room size, audio pickup range, video resolution, and connectivity options. Grades vary from entry-level systems with basic 1080p cameras and omnidirectional mics to premium systems with 4K PTZ cameras, beamforming microphone arrays, and advanced echo cancellation. The system typically includes a central processing unit (codec) that manages audio and video streams, along with peripheral devices like ceiling microphones and wall-mounted speakers.

Working Principle

The system captures audio via microphones, which convert sound waves into electrical signals. These signals are processed by a digital signal processor (DSP) that applies noise reduction, echo cancellation, and automatic gain control. Video is captured by cameras using CMOS or CCD sensors, converting light into digital images. The processed audio and video are then encoded and transmitted over IP networks to remote participants, while received streams are decoded and output through speakers and displays.

Common Materials

Aluminum alloy (for camera housings and microphone grilles), Polycarbonate (for enclosures), Acrylic (for touch panels), Copper (for cables and connectors), Glass (for camera lenses)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Camera Resolution	1080p–4K pixels	Higher resolution for larger rooms and detailed presentations.
Field of View (FOV)	60–120 degrees	Wide FOV for small rooms, narrow for long rooms.
Optical Zoom	2–12 x	Digital zoom is less sharp; optical zoom preferred.
Microphone Pickup Range	3–8 m	Depends on mic array and room acoustics.
Frequency Response (Audio)	100–20000 Hz	Wideband for clear speech.ITU-T G.722
Signal-to-Noise Ratio (SNR)	60–80 dB	Higher SNR reduces background noise.
Echo Cancellation	≥100 ms	Tail length for echo cancellation.
Video Frame Rate	30–60 fps	Higher for smooth motion.
Connectivity Interfaces	HDMI, USB 3.0, Ethernet	For video, audio, and network.IEEE 802.3
Power Consumption	20–100 W	Depends on system size and features.
Operating Temperature	0–40 °C	Indoor use only.
Dimensions (Main Unit)	300x200x50 – 500x300x80 mm	Varies by model.
Weight	1.5–5 kg	For main unit and peripherals.
Ingress Protection (IP) Rating	IP20–IP30	Indoor systems typically IP20.IEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Conference Audio and Video System.

Published Manufacturer Relationships

Source-reviewed profile relationships currently associated with Conference Audio and Video System

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Data Basis

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Preliminary Technical Classification

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