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 2. Market Demands

Drawbacks of Traditional Handheld Microphones

• Limited pickup range: Handheld microphones need to be aimed directly at the speaker’s mouth, resulting in a relatively narrow pickup range, which is not suitable for meetings or discussions with multiple speakers.

• Frequent passing requirements: In meetings with several participants, the handheld microphone must be passed between different speakers, which may interrupt the flow of the meeting.

• More susceptible to echo and interference: Due to their directional nature, handheld microphones are more likely to be affected by echoes and background noise from the surrounding environment.

• Complex installation and usage: Handheld microphones may need to be connected to complex sound systems and require adjustments and testing during use.

• Narrow applicability: Handheld microphones are better suited for performances and speeches, making them less versatile in meetings with multiple participants.

Launch of the D7702 Omnidirectional Ceiling Microphone

• Wide pickup range: The omnidirectional microphone can evenly capture sound within a 360-degree radius, eliminating the need to aim directly at the speaker, making it suitable for meetings or discussions involving multiple participants, unlike handheld microphones that require direct alignment with the speaker’s mouth.

• Reduced passing requirements: In traditional handheld microphone scenarios, microphones often need to be passed between different speakers. The omnidirectional microphone eliminates this need, enhancing the flow of the meeting.

• Minimized echo and interference: Omnidirectional microphones are typically designed to reduce echo and background noise, providing clearer audio quality.

• Easy installation: Omnidirectional microphones are generally easy to install. It can be installed at the center of the conference table or on the ceiling without the need for complex wiring and setup.

• Facilitated recording and transcription: Omnidirectional microphones can be easily connected to recording devices or meeting documentation systems, making it convenient to record and transcribe meeting content.

  3. Solution Configuration - Small Conference Room (50㎡)

Single D7702 Unit: Remote Conferencing + Local Sound Amplification

• Configured with a D7702 omnidirectional ceiling microphone, integrating an array of up to 128 omnidirectional microphones, providing 16 independent configurable pickup zones. Utilizing Dante digital audio technology, it ensures stable audio transmission, effectively enhancing meeting efficiency.

• Paired with a Dante adapter, it allows for easy connection of any computer to the Dante audio network without the need to install any software, further improving meeting efficiency.

• Configured with two wall-mounted speakers with Dante network transmission protocol to ensure accurate reproduction and stable transmission of conference audio signals.

  4. Solution Configuration - Large Conference Room (200㎡)

Multiple D7702 Units Cascaded: Remote Conferencing + Local Sound Amplification

• Configured with D7702 ceiling omnidirectional microphones, each integrating an array of up to 128 omnidirectional microphones, providing 16 independent configurable pickup zones. Utilizing Dante digital audio technology, it ensures stable audio transmission, effectively enhancing meeting efficiency.

• Paired with a Dante adapter, it allows for easy connection of any computer to the Dante audio network without the need to install any software, further improving meeting efficiency.

• Configured with wall-mounted speakers with Dante network transmission protocol to ensure accurate reproduction and stable transmission of conference audio signals.

• Configured with an audio processor, featuring built-in functions such as feedback suppressor, noise canceller, and echo canceller to ensure high-quality sound reproduction.

  5. Product Highlights

  6. Camera Tracking

System Connection Diagram

The D7702 omnidirectional ceiling microphone needs to be integrated with the central control system to achieve camera linkage and face tracking functionality. The D7702 device has a built-in TCP server (see red box below), and the central control system needs to implement a TCP client (see yellow box) to communicate according to the agreed protocol.

  7. Functional Features - D7702

The D7702 is a premium ceiling conference microphone that integrates an array of up to 128 omnidirectional microphones, offering 16 independent configurable pickup zones for optimized audio capture. Utilizing Dante digital audio technology, it ensures stable audio transmission and broad compatibility. Additionally, the D7702 incorporates advanced AI algorithms, providing features such as AI noise reduction, AI reverberation suppression, AI adaptive feedback control (AI-AFC), and AI echo cancellation, significantly enhancing meeting efficiency.

  8. Functional Features - D7702

The Audio Controller is an interface configuration tool for Ceiling Microphones. Use this tool to adjust the sound pickup area of the conference room and configure different parameters for different conference rooms. (Current software version is only available for WINDOWS system.)

  9. Product Features - D7702

  10. Installation Methods - D7702

  11. Application Scenarios

Leveraging the D7702 omnidirectional microphone’s sleek design, durability, and outstanding sound performance, it effectively resolves the problem of unclear audio pickup for participants. This microphone is suitable for a variety of places such as training rooms, smart classrooms, high-end conference rooms, interactive meeting spaces, and courtrooms.