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Classroom with Auto Tracking Solution

Large Classroom Solution by Applying Automated Voice Tracking Technology

Transform the learning experience with the Voice Auto Tracking Solution, designed for large classrooms and lecture halls. This innovative system integrates Datavideo’s voice-activated auto-tracking technology with professional PTZ cameras and video switchers, enabling automatic speaker detection and seamless multi-camera operation.

Designed to enhance hybrid and in-person learning, the solution ensures that instructors remain the focal point, no matter where they move within the room. The system dynamically tracks active speakers, providing clear, professional video that engages both in-person and remote audiences.

With its intuitive setup and automated functionality, the solution eliminates the need for additional technical staff, allowing educators to focus entirely on teaching. Perfect for universities, training centers, and large lecture spaces, the Voice Auto Tracking Solution delivers an efficient and professional way to enhance learning environments, ensuring every student has an engaging and immersive educational experience.

Overview

Imagine a large-scale classroom designed for lecture, presentation or seminars. The room is equipped with a ceiling microphone, two strategically positioned Datavideo PTC-140NDI cameras, a PTC-145 auto-tracking camera, and a fully automated system featuring the VoiceTRX100, iCAST 10NDI, and CAP-2 for professional video production and streaming.

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A ceiling microphone captures audio, and the VoiceTRX100 identifies the active speaker, dynamically switching and directing the cameras to frame them. The iCAST 10NDI handles video mixing and overlays, outputting to both a room monitor for local participants and the CAP-2 for remote streaming. 

Processed audio is routed through a Dante DSP to in-room loudspeakers, ensuring clear sound. This automated, hands-free solution simplifies hybrid meetings, delivering professional-grade video and audio with minimal technical intervention.

Solution Workflow

The Datavideo Classroom VoiceTRX Solution delivers an efficient and professional video production workflow for large-scale conference rooms. This setup includes two PTC-140NDI PTZ cameras, one PTC-145NDI auto-tracking camera, and the VoiceTRX100 for voice-activated camera control, an iCAST 10NDI for video mixing and streaming, and an iCAST mini for seamless integration with platforms like Zoom or Microsoft Teams.

The workflow begins with the ceiling microphone capturing audio from participants. The VoiceTRX100 processes the audio input to identify the active speaker and automatically directs one of the PTC-140NDI cameras to focus on them. 

The video feeds from the cameras are sent to the iCAST 10NDI over NDI, where they are switched, mixed, and combined with overlays or graphics. The iCAST outputs video to a room monitor for local participants and to the iCAST mini, which converts the feed to USB for easy connection to a laptop for streaming to remote attendees.

Solution Benefits

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Voice Activated

Using ceiling microphone voice detection, the VoiceTRX100 automatically switches and moves cameras to focus on the active speaker, eliminating the need for a camera and switcher operator.

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Clean Switching

By employing multiple cameras, the system can smoothly reposition the inactive camera to the next speaker, ensuring clean transitions and a professional viewing experience.

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Auto-Tracking PTZ

The solution includes auto-tracking PTZ cameras like the PTC-145, which offer advanced auto-tracking capabilities. These cameras can follow the subject automatically, providing a smooth and professional-looking video without needing a camera operator.

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Efficient Coverage

PTZ cameras allows operator to quickly adjust framing, track movement, and capture close-ups or wide shots. With three PTZ cameras, you can achieve multi-angle coverage, seamlessly switching between shots to create a professional, engaging production.

Introducing VoiceTRX100 | Voice Activated Camera Switching and Auto Tracking Solution

The VoiceTRX100 allows Datavideo‘s professional PTZ cameras and video switchers to be voice activated, bringing the full multi-camera studio experience to meetings, town halls, council chambers and classrooms. Camera switching, and movement is triggered automatically based on the location of the active speaker. Broadcast style cuts combined with professional CG for displaying the active speakers‘ names provides the best possible viewer experience.

The VoiceTRX100 supports Datavideo‘ s vast range of professional video switchers and cameras, this diverse range of hardware support allows us to cater for a broad range of applications and budgets, from small meeting rooms to council chambers and conferences.

Datavideo Voice Tracking Control Interface

Bring automated broadcast quality production to video conferencing with the VoiceTRX100. The VoiceTRX100 allows Datavideo's professional PTZ cameras and video switchers to be voice activated, bringing the full multi-camera studio experience to meetings, town halls, council chambers and classrooms.

The VoiceTRX100 supports Datavideo‘ s conference switchers and cameras, this diverse range of hardware support allows us to cater for a broad range of applications and budgets, from small meeting rooms to council chambers and conferences.

Microphone compatible with VoiceTRX100

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Together with our technology partners Sennheiser, Shure, & Audio-Technica, Datavideo is bringing a complete audio and video controlling and switching solution to your conference rooms and huddle spaces. You can now share your meetings online without the need of a production team. Trademarks, Logos and brands mentioned belong to their respective owners and are utilized solely for identification purposes.

Produce Hybrid Events Using an All-in-One Switcher

The iCAST 10NDI is an innovative live production tool combining a switcher, camera controller, and streaming encoder in a single unit. It supports a diverse range of inputs, enabling you to craft captivating presentations with various video sources like PTZ and document cameras, as well as laptops for slides.

Significantly, it supports up to 3 NDI signals, enhancing its network-based video streaming capabilities. With a built-in streaming encoder and recorder, the iCAST 10NDI allows for easy live streaming to multiple platforms and SSD recording. It can ISO record six video channels simultaneously, providing ample material for post-production.

This makes the iCAST 10NDI an efficient, user-friendly solution for video streaming and recording needs.

iCAST 10NDI: 6 Main Features

Seamless switching

Multichannel audio mixing

Video Streaming

Multi-Camera Video Recording

Character Generation

System Control

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A hybrid event switcher designed for classroom, lecture capture, conferencing with all the I/O needed for producing,
streaming, recording, and conferencing with Zoom, MS Teams, and other platforms. An intuitive touch screen
interface with presets for screen layout settings, camera angles, and buttons for activating the stream and recording
of your event.

Excellent FHD PTZ Cameras

The PTC-145 features 1/2.8 inch CMOS sensor, 1920x1080px Full HD resolution 20x optical zoom, 10x digital zoom gives you sharp images no matter where you mount the camera.

Low Noise CMOS Ensures High SNR of Camera Video

Advanced 2D/3D noise reduction functionㄡ

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Supports H.264/H.265 Video Compression

Support compression of resolution up to 1920x1080 with frame up to 60fps and 2 channel 1920x1080p with 30fps compression. AAC, MP3 and PCM audio compression also supported.

Dual Stream encoder to Facebook Live, YouTube, Twitch, and more

With the built-in H.264 streaming encoder, you can stream your show to two different streaming plateforms virtually any CDN including Facebook, YouTube or Twitch in time

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NDI® Virtual Input

The PTZ camera as an video input source can be applied to various platforms: Skype, GoToMeeting, WebEx, Zoom, and more.

Custom Auto Object Tracking

If you are filming multiple people, you can designate a person for auto tracking. Once linked to the camera, only the designated person will be tracked, avoiding interferences such as the desks, people coming back and forth, large objects, etc.

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Smart PTZ Speed Adaptation

The integrated PID algorithm is able to detect the movement speed of the identified object and automatically adjust the camera's corresponding pan, tilt and zoom speeds in such a way that the lens movement will be smooth, avoiding common camera lens movement problems like jerky movements or unpredicted halts.

Talent Position: Center / Left Side / Right Side

The positioning of talent depends on the videographer's creativity and intent rather than strict rules. Different positions can convey various emotions, messages, or visual effects. A centered composition provides a sense of stability and balance, suitable for scenes that require highlighting the main subject. Videographers may also place the talent on the left third or right third of the frame, leaving adequate space in the foreground to showcase the talent's sight direction or potential future possibilities.

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Quick Selection of Full Body / Half Body / Close-up

All of the PTZ camera series include RMC-1AT controller. User can quickly select full-body, half-body and close up framing, making it easy to change the shooting scene and framing requirements.

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Comprehensive VoiceTRX Guide

The VoiceTRX-100 Solutions Guide is now available for download! This comprehensive guide provides a complete workflow for implementing voice-activated camera tracking using Datavideo’s VoiceTRX-100. Ideal for city councils, classrooms, and corporate meetings, it details seamless integration with PTZ cameras, audio systems, and switchers to deliver professional, automated video production. Download it today to streamline your workflow and elevate your productions!

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