What is the PeopleLink CM Alpha?

The PeopleLink CM Alpha is a Digital Array Microphone that builds 7 microphones into a circular array for hands-free pickup across a room. It reaches 8 metres in every direction, so a standard Classroom or a large Conference Room needs only one unit. AEC, ANS and AGC run on the device, which means echo, background noise and uneven speaker levels are handled before the audio reaches the platform.

How does the Conference Microphone connect to a room PC?

It connects over a USB audio interface (Type-B) supporting the UAC1.0 protocol, so a room PC sees it as a standard microphone with no driver to install. The same USB link carries software upgrades and parameter configuration. A 3.5mm line in and two 3.5mm line outs are available where the room already has its own audio path.

Does it work with PeopleLink room solutions?

Yes. PeopleLink supplies the Conference Microphone alongside Cameras, Control and Room Solutions, so a room is specified as one set rather than assembled from separate suppliers. Intelligent Voice Tracking aligns pickup to the person speaking, which suits rooms where a PeopleLink Camera is also following the discussion.

How many CM Alpha units does a room need?

One unit is enough for a standard Classroom or a large Conference Room: 7 microphone arrays give 360 degree pickup out to 8 metres, covering a sound pickup area of about 80 square metres and 10 to 15 seats. Bigger halls are normally split into zones with a unit each. Share your room dimensions and seating plan with a PeopleLink specialist for a layout recommendation.

Who installs and supports the microphone?

Installation, service and support are delivered through PeopleLink Partners and Resellers in your region, with PeopleLink AV Specialists supporting them on sizing and integration. The debug-free, plug and play design means most rooms are working as soon as the USB cable is connected, so site visits stay short.

Can the Conference Microphone be matched to the room decor?

Yes. The unit uses hot laminating and wrapping cloth, so its appearance, colour and pattern can be changed to suit the room finish rather than standing out against it. That matters in Classrooms and Boardrooms where the fit-out is already settled. It can be installed on the desk, the ceiling or the wall, whichever placement the room allows.

Microphones · Conference Microphone

PeopleLink CM Alpha360 degree Conference Microphone with 8 Metre Voice Pickup and Intelligent Voice Tracking

The PeopleLink CM Alpha is a Conference Microphone for Meeting Rooms, Conference Rooms and Classrooms.

8m Pickup distance
100Hz - 16kHz Frequency response
-38 dBFS Sensitivity

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One OEM
Hardware and Software from a single vendor
Deployed Globally
Enterprise, Government, Education and Healthcare
Regional Partner Support
Service and Support through PeopleLink Partners and Resellers in your region
Published Specifications
PDF Datasheets available for PeopleLink products

Overview

What an 8 Metre Conference Microphone does in a Meeting Room

The PeopleLink CM Alpha is a Conference Microphone for Meeting Rooms, Conference Rooms and Classrooms. A circular array of 7 microphones gives 360 degree pickup out to 8 metres, with a 100Hz to 16kHz response, -38 dBFS sensitivity and 32K wideband sampling. Adaptive Blind Beamforming aligns to the active speaker, while AEC, ANS and AGC keep the far end clear. It connects over a USB Type-B audio interface supporting UAC, plus 3.5mm line in and out, so it works with common Video Conferencing platforms and alongside PeopleLink Cameras. One unit covers a standard room, so a space is upgraded with a single device on the desk, ceiling or wall.

Built-in 7 microphone arrays
8 meter Audio Pickup Range
Intelligent Voice Tracking
Built-in AEC, AGC, ANS
Hands-free lecture and presentation

Features

Conference Microphone features for Meeting Rooms

7-microphone array, 8 metre pickup and intelligent voice tracking, explained.

Features

Hands-Free Solution for Speaker

PeopleLink CM Alpha sound system for conference rooms, classrooms, and places of worship. The microphone is hands-free and can be mounted on the ceiling, wall, or tabletop. Freely walk around with this zero-configuration ceiling microphone solution that provides seamless communication without requiring handheld devices.

Features

Digital Microphone for Recording and Online Interaction

PeopleLink CM Alpha is a digital array microphone with embedded architecture, beam formation, professional digital audio processing, and an 8-meter long-distance pickup. It has the stability to achieve automatic voice tracking and entire duplex interaction.

Features

360° Audio Pickup Range

PeopleLink CM Alpha has a 360-degree omni directional sound pickup and no dead-angle sound collection. The Sound pickup covers an area of 80 square meters. Dual mode (digital, analog) output is supported.

Features

Multiple Audio Algorithms, High Quality of Sound

Using patent technologies including Intelligent noise reduction, echo cancellation, and reverberation suppression to ensure clear sound quality and comfortable communication. Requirements for the building of the classroom decoration are low. Supports full duplex.

Features

Intelligent Voice Tracking for Anti-Interference

Adaptive blind beam-forming technology, accurate positioning, automatic alignment to the speaker, and clear and natural speech. The intelligent voice tracking records only the speaker and focuses on them primarily without getting interfered with by background noises.

Features

Small and Exquisite Design

Product appearance is small and exquisite, with 32kHz broadband sampling, built-in automatic noise reduction, echo cancellation, automatic gain, and other intelligent audio algorithms to eliminate noise, reverberation suppression, and echo interference, low requirements for building a sound environment.

Features

Simplify Installation - Plug and Play

Standard USB 2.0 and 3.5mm audio interface, plug and play without extra configuration, simple system, small size, easy to install and maintain. That means no more hassles when it comes to connectivity and installation.

Features

Changeable Appearance - Invisible Application

The CM Alpha adopts the technology of hot laminating and wrapping cloth to change the appearance, color, and pattern more conveniently. It adapts to all classroom decoration styles with natural visual effects and realizes the Invisible application.

How It Works

Key Specifications

Headline specifications from the product Datasheet. Full model-by-model detail is in the PDF.

Item	PeopleLink CM Alpha
Pickup distance	8m
Frequency response	100Hz - 16kHz
Sensitivity	-38 dBFS

Rooms It Serves

Meeting rooms

An 8m 360° Pickup Range covers every seat from a single device.

Conference rooms

AEC, ANS and AGC keep voices clear in larger spaces.

Video conferencing

A USB UAC connection works with common Video Conferencing platforms.

Where a Conference Microphone Fits in Your Organisation

How organisations deploy a Conference Microphone, and what changes for the teams that use it

Manufacturing

Boardroom Audio for a Manufacturing Headquarters

A manufacturing headquarters fits its Boardroom with a single PeopleLink CM Alpha above the table. One unit covers the room: 7 microphone arrays give 360 degree pickup across roughly 80 square metres, and Intelligent Voice Tracking aligns to whoever is speaking, so directors are heard from any seat. Adaptive noise reduction and echo cancellation hold the line steady when plant noise carries. The microphone reaches the room PC over USB 2.0 and works alongside a PeopleLink Camera for Hybrid Meetings with regional plants.

Education

Classroom Audio for a School Group

A school group standardises its Classrooms on the PeopleLink CM Alpha, mounted on the ceiling so teachers move freely while lessons are recorded. The microphone tracks the speaker with adaptive blind beamforming, and 32K wideband sampling keeps recorded speech natural for students catching up later. Hot laminating and wrapping cloth let each block match the microphone to its own decor. Setup stays simple: USB 2.0 and a 3.5mm audio interface, plug and play, with nothing to configure for the school's IT team.

Healthcare

Seminar Room Audio for a Private Hospital Group

A private hospital group runs clinical seminars for 10 to 15 attendees in rooms shared with other departments. The PeopleLink CM Alpha sits on the table or the wall, whichever the room allows, and picks up questions from up to 8 metres away without passing a handheld microphone around. Echo cancellation, Automatic Gain Control and noise suppression keep consultants joining from other sites clear on full duplex audio. Paired with PeopleLink Cameras and Room Solutions, the seminar runs as one connected room.

Not sure which model fits your Meeting rooms or Conference rooms?

Tell us the room size and seating. A PeopleLink specialist will recommend the right model.

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How It Compares

Capability	PeopleLink CM Alpha	Typical Alternative
Pickup	8m, 360° omnidirectional	A single tabletop mic
Array	7-mic ring array	One capsule
Processing	AEC, ANS, AGC	No processing
Connectivity	USB UAC plug and play	USB only typical

Why PeopleLink

Hardware and Software

Cameras, Audio, Control and Collaboration Platforms, built by one OEM.

Integrates Cleanly

PeopleLink Audio Devices pair with PeopleLink Cameras, Control and Room Solutions out of the box.

Deployed Globally

Trusted across Enterprise, Government, Education and Healthcare environments.

Specialist Support

Talk to PeopleLink AV Specialists for sizing, integration and rollout.

Planning a multi-room or campus rollout?

Get one consolidated quote covering Hardware, Software and Installation from One OEM.

Request a Quote

Frequently Asked Questions

Explore Related Resources

Specifications

Connectivity	: USB 2.0 : Type B
Microphone	: Built-in 7 microphone arrays
Microphone Included	: Built-in microphone
No Of Mics Supported	: Built-in microphone
Frequency Response	: 20Hz - 16kHz
Microphone Frequency	: 20Hz - 16kHz
Voice Pickup Radius	: 360° Voice pickup
Audio Pickup range	: 8 meters
3A Algorithm	: Built in AEC, AGC & ANS
Sensitivity	: -26 dBFS
Sampling Rate	: 32K sampling
SNR (Signal to noise ratio)	: 64 dB(A)
Output Connection and Cable	: USB
Speaker Support	: Active Speaker
Interface	: USB2.0, 3.5mm Line in/Out
Operating System	: Windows 7 / Windows 10 /MacOS
Ideal Room Size	: 80-100 Square Meters
Application	: Conference room, board room
Seating Capacity	: 10 to 15 seater

FIND THE PRODUCTS THAT ARE RIGHT FOR YOU

Product	CM Alpha	DSP CM	Pro Audio DSP - 12 Channel
Connectivity	USB 2.0 : Type B	USB 2.0 : Type B	USB 2.0 : Type A
Microphone	Built-in 7 microphone arrays	HD voice pickup range mics	HD voice pickup range mics
Microphone Included	Built-in microphone	Yes - Suspended Spherical Microphone	Yes - Suspended Spherical Microphone
No Of Mics Supported	Built-in microphone	2 microphones	8 microphones
Frequency Response	20Hz - 16kHz	20Hz~20kHz	( 20Hz~20kHz @ +4dBu
Microphone Frequency	20Hz - 16kHz	50 - 20000Hz	50Hz-20kHz
Voice Pickup Radius	360° Voice pickup	360° Voice pickup	360° Voice pickup
Audio Pickup range	8 meters	10 meter	8 meters
3A Algorithm	Built in AEC, AGC & ANS	Built in AEC, AGC & ANS	Built in AEC, AGC & ANS
Sensitivity	-26 dBFS	-47 plus or minus 3dB.	-44±3dB(0dB=1V/Pa@1kHz)
Sampling Rate	32K sampling	No	32kHz
Rated Output Impedance	No	No	2.2kΩ
Minimum Load Impedance	No	No	1kΩ
SNR ( Signal to noise ratio)	64 dB(A)	75dB	75dB
Output Connection and Cable	USB	Mini XLR-3 Male/ Twisted Shielded MIC Cable	Mini XLR-3 Male/ Twisted Shielded MIC Cable
Speaker Support	Active Speaker	Active Speaker	Yes
Interface	USB2.0, 3.5mm Line in/Out	USB Type B, Phoenix 2-way 3.81 mm	USB 2.0, RJ45, RS232, Line In/Out, Mic In, WL-IN, 3.5mm, Phoenix
Operating System	Windows 7 / Windows 10 /MacOS	Windows 7, Windows 10, Windows XP, Mac OS	Windows 7, Windows 10, Windows XP, Mac OS
Ideal Room Size	80-100 Square Meters	80-100 Square Meters	100- 120 Square Meters
Application	Conference room, board room	Conference room, Classrooms, Training Rooms	Conference room, Classroom, Auditorium
Seating Capacity	10 to 15 seater	15 to 30 seater	50 to 100 seater

Disclaimer: Features and specifications are subject to change without prior notification. Images shown are for representational purposes only; actual may vary.

In the Room

Table Microphones in Live Rooms

Boardrooms and conference tables photographed on site.

Long conference table fitted with gooseneck microphones facing a display — Conference TableGooseneck Microphone Array

Boardroom table with a boundary microphone and a branded PeopleLink display — Boundary MicrophoneBoardroom

Chairman microphone unit and table monitor in a U-shape committee room with wall displays — Chairman Unit and Delegate SystemCommittee Room

Accessories

Mounting Kit

AUX Cable

USB Cable

User Manual

Videos

See the CM Alpha in action

Downloads

Product Datasheet

Download

User Manual

Download

Talk to a PeopleLink Audio Specialist about Conference Microphones

Room size, participant count and platform in one message. We reply with a recommendation.

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PeopleLink CM Alpha360 degree Conference Microphone with 8 Metre Voice Pickup and Intelligent Voice Tracking

What an 8 Metre Conference Microphone does in a Meeting Room

Conference Microphone features for Meeting Rooms

Hands-Free Solution for Speaker

Digital Microphone for Recording and Online Interaction

360° Audio Pickup Range

Multiple Audio Algorithms, High Quality of Sound

Intelligent Voice Tracking for Anti-Interference

Small and Exquisite Design

Simplify Installation - Plug and Play

Changeable Appearance - Invisible Application

How It Works

Key Specifications

Rooms It Serves

Meeting rooms

Conference rooms

Video conferencing

Where a Conference Microphone Fits in Your Organisation

Boardroom Audio for a Manufacturing Headquarters

Classroom Audio for a School Group

Seminar Room Audio for a Private Hospital Group

Not sure which model fits your Meeting rooms or Conference rooms?

How It Compares

Why PeopleLink

Hardware and Software

Integrates Cleanly

Deployed Globally

Specialist Support

Planning a multi-room or campus rollout?

Frequently Asked Questions

What is the PeopleLink CM Alpha?

How does the Conference Microphone connect to a room PC?

Does it work with PeopleLink room solutions?

How many CM Alpha units does a room need?

Who installs and supports the microphone?

Can the Conference Microphone be matched to the room decor?

Explore Related Resources

Specifications

FIND THE PRODUCTS THAT ARE RIGHT FOR YOU

Table Microphones in Live Rooms

Accessories

See the CM Alpha in action

Downloads

Talk to a PeopleLink Audio Specialist about Conference Microphones

Request Demo

Get PeopleLink AV and Collaboration Updates on WhatsApp