Wireless Microphone Antenna Layout for Low-Latency Audio Links
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Solution Overview
Problem
Conventional wireless microphone systems face challenges in achieving real-time audio transmission with low latency, maintaining signal integrity over long-term operation, and providing a compact and lightweight design while minimizing wind noise interference.
Innovation Solution
A compact wireless microphone system that includes a receiver with connector ports, transmitters with built-in antennas and controllers for real-time audio processing and transmission, and a bayonet fastener for securing a windshield to reduce wind noise. The system dynamically records and transmits audio, detects and marks dropouts, and uses a folded dipole antenna configuration for enhanced communication range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional wireless microphone systems use typical transmission methods, then audio data can be transmitted, but real-time low latency transmission is difficult to achieve
Solution Approach 1:
The system dynamically switches between different audio processing paths (low-latency path and high-quality path) based on real-time transmission conditions. This dynamic adaptation allows the system to optimize for low latency when needed while maintaining reliability under varying conditions, resolving the contradiction between speed and reliability.
2Weight of moving object
If the transmitter is made compact and lightweight for portability, then ease of use improves, but transmission range and signal integrity deteriorate
Solution Approach 1:
The transmitter housing uses composite materials (such as carbon fiber reinforced polymers) that provide high strength-to-weight ratio. This allows the transmitter to maintain a compact and lightweight design while incorporating robust antenna structures and shielding that preserve signal integrity and extend transmission range.
3Duration of action of moving object
If the transmitter operates continuously for long-term use, then duration of action improves, but battery power is depleted faster
Solution Approach 1:
The transmitter implements periodic low-power states and adaptive power management that adjusts transmission power and processing intensity based on usage patterns. During periods of low activity, the system enters sleep modes or reduces processing, while maintaining readiness for immediate operation, thereby extending battery life without compromising operational duration when needed.
4Object-affected harmful factors
If a windshield is added to reduce wind noise, then protection from harmful factors improves, but device complexity increases
Solution Approach 1:
The windshield is implemented as a thin, flexible foam or fabric cover that fits over the microphone capsule. This simple yet effective design provides wind noise protection without adding significant structural complexity, weight, or bulk to the transmitter, maintaining portability while reducing harmful wind interference.
Data Source
AI summary
The invention relates generally to a wireless microphone system and methods. The system may include one or more antennas, such as a monopole and dipole antennas, arranged within a housing. The housing may include a circuit boarding having a ground plane. The circuit board may be connected to a microphone configured to protrude from an opening of the housing. Further, a windshield including a bayonet-type connector may removably mount with a mount on the housing. Advantageously, the system may be configured to provide noise dampening and facilitate linking with other devices more efficiently and effectively.