The Sennheiser TC Bar is more than an all-in-one conferencing system with an integrated camera. Its AI video algorithms automatically process the meeting room image, giving remote participants a clearer view without requiring constant manual camera adjustments.
Two key camera features are Person Tiling and Auto Framing. Each uses a different approach to image processing, making them suitable for online meetings where participants may sit in different positions or move around the room.
How does the Sennheiser TC Bar camera use AI?
According to Sennheiser, both Person Tiling and Auto Framing use AI-based video algorithms. The camera can detect meeting participants and automatically adjust the framing instead of maintaining a fixed field of view.
With Person Tiling, each meeting participant is detected and displayed in an individual frame. The system places each person prominently within the video layout, making it easier for remote participants to see individual members of the meeting room.
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Notably, Person Tiling can also bring participants seated in the back row into a more prominent position in the video layout. This helps compensate for the difference in visual distance between participants sitting closer to and farther from the camera, allowing remote participants to see each person more clearly.
Auto Framing, meanwhile, focuses on keeping all participants within the camera's field of view. When a participant changes seats, moves a chair or stands up and moves around the room, the camera can automatically adjust the framing to continue covering the active participants.
These two functions address different requirements but can complement each other during online meetings. Person Tiling prioritizes individual participant framing, while Auto Framing prioritizes keeping participants within the camera's field of view.
How does Microphone beamforming work on the Sennheiser TC Bar?
In addition to the camera system, the Sennheiser TC Bar is designed to detect the direction of the active speaker for audio capture. TC Bar uses a linear microphone array with 23 static beams. When a speaker is detected from a specific direction, the system selects the appropriate beam to capture speech from that direction.
If another participant starts speaking from a different direction, the algorithm can automatically switch to the beam corresponding to the new speaker position. This approach allows the system to handle multiple speaker positions within the room without requiring manual Microphone adjustment.
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TC Bar also supports external Sennheiser Microphones in supported configurations. When connected to ceiling microphones, the system provides auto-mixing and multi-AEC (Acoustic Echo Cancellation), eliminating the need for third-party DSP for these functions, according to Sennheiser.
For video, TC Bar also supports the connection of third-party PTZ cameras through the USB-A port. Users can choose between the integrated TC Bar camera and an external PTZ camera, for example when an additional viewing angle is required for a whiteboard or presenter. However, Sennheiser notes that the system does not provide intelligent camera switching between cameras.
By combining AI camera processing with microphone beamforming, the Sennheiser TC Bar is designed as an all-in-one conferencing system in which video and audio processing are handled directly by the device for online meetings. For meeting rooms that require dynamic video framing based on participant positions while maintaining a streamlined system setup, these are key features of the TC Bar platform.
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