Wireless Microphone Buffering for Out-of-Range Audio Retention
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Solution Overview
Problem
Wireless transceiver devices used by police officers often fail to transmit audio and video data effectively due to exceeding transmission range or being shielded by objects, leading to loss of valuable information during critical events.
Innovation Solution
A range-sensitive wireless microphone method that receives audio input, converts it to digital data, buffers the data, and repeatedly transmits it until successful receipt, retaining and retransmitting data if initial transmission fails, ensuring data integrity and availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the wireless transceiver device transmits audio and video data continuously, then the data transmission volume increases, but the transmission reliability decreases when exceeding range or being shielded
Solution Approach 1:
The system performs preliminary actions by buffering audio data locally before transmission occurs. When the officer is out of range or shielded, the buffered data is retained and transmitted later when connectivity is restored, ensuring no data loss despite temporary transmission failures.
Solution Approach 2:
The system implements feedback mechanisms where the recording device receives acknowledgment signals from the transceiver device. When transmission failures are detected (no acknowledgment received), the system automatically triggers retransmission of buffered data, improving reliability without sacrificing transmission volume.
2Quantity of substance
If the system deletes transmitted data after successful transmission, then the memory usage decreases, but the data availability decreases when transmission fails
Solution Approach 1:
The system buffers audio data in advance before transmission occurs. This preliminary buffering ensures that when transmission failures happen, the data is already prepared and can be retained or retransmitted, preventing data loss while managing memory usage efficiently.
Solution Approach 2:
The system uses feedback signals to determine whether to delete transmitted data. When acknowledgment is received, data is deleted to free memory. When transmission fails (no acknowledgment), the system retains the buffered data for later transmission, balancing memory management with data availability.
3Reliability
If the system retransmits failed data packets, then the data integrity improves, but the transmission time increases
Solution Approach 1:
The system performs preliminary buffering of audio data before transmission. When transmission failures occur, the buffered data is ready for immediate retransmission without waiting for the original transmission cycle to complete, reducing the time penalty of retransmission while maintaining data integrity.
Solution Approach 2:
The system maintains continuous operation by buffering data locally and preparing it for retransmission. The useful action of data collection continues uninterrupted even when transmission fails, and retransmission begins immediately when connectivity is restored, minimizing time loss while ensuring integrity.
Data Source
AI summary
A range-sensitive wireless-microphone method includes receiving an audio input, converting the received audio input into digital data, buffering the digital data, and transmitting the buffered digital data. The method also includes determining whether the transmitted buffered data was successfully received, responsive to a determination that the transmitted buffered data was successfully received deleting the transmitted buffered data, and, responsive to a determination that the transmitted buffered data was not successfully received, retaining the transmitted buffered data and repeating the transmitting step. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.