Bluetooth Audio Encoding Parameter Adjustment for Interference
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Solution Overview
Problem
Bluetooth communication experiences performance degradation due to frequency interference with other communication standards like Wi-Fi, leading to packet errors, losses, and delays, particularly in audio streaming services, which worsen with increasing data size.
Innovation Solution
An electronic device dynamically adjusts its encoding parameters based on remaining memory space to optimize data transmission, monitoring the channel environment and adjusting compression rates and transfer speeds in real-time to minimize packet errors and delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If Bluetooth communication is used for audio streaming, then wireless connectivity and convenience are improved, but packet errors, losses, and delays occur due to frequency interference with Wi-Fi and other communication standards
Solution Approach 1:
The patent dynamically changes encoding parameters (compression rate, bit rate) based on channel conditions and memory status to adapt to varying interference levels. When interference is detected or memory is full, the system adjusts parameters to reduce data rate and improve transmission reliability, directly resolving the contradiction between maintaining connectivity and ensuring reliable packet delivery.
Solution Approach 2:
The system implements feedback mechanisms by monitoring memory buffer status and channel conditions in real-time. The encoder receives feedback about memory availability and adjusts encoding parameters accordingly, creating a closed-loop control system that maintains reliable transmission despite frequency interference while preserving wireless connectivity.
2Loss of information
If audio streaming data size increases, then sound quality is improved, but performance degradation and packet errors worsen due to frequency interference
Solution Approach 1:
The patent makes the encoding system dynamic by allowing real-time adjustment of compression parameters based on channel conditions and memory status. The system transitions between different encoding modes (higher quality when conditions are good, lower quality when interference occurs), resolving the contradiction between maintaining high sound quality and ensuring reliable transmission under varying interference conditions.
Solution Approach 2:
The system changes encoding parameters dynamically - adjusting bit rate, compression level, and data size based on detected interference and memory availability. This allows the system to maintain optimal sound quality when channel conditions permit while reducing quality requirements when interference causes packet errors, thus resolving the contradiction between quality and reliability.
3Productivity
If encoding compression rate is increased to reduce data size, then transmission speed is improved, but audio quality and data integrity deteriorate due to packet errors
Solution Approach 1:
The patent implements dynamic adjustment of compression rates based on real-time channel conditions and memory status. When interference is detected or memory is full, the system reduces compression (increases data size) to improve reliability. When conditions are good, it increases compression to maximize transmission speed, thus dynamically resolving the contradiction between transmission speed and audio quality.
Data Source
AI summary
An electronic device and method for transmitting data using Bluetooth communication technology are provided. The electronic device includes a memory, a communication circuit configured to communicate with an external device based on a protocol, and a processor configured to generate second data by encoding first data based on an encoding parameter, to store the second data in the memory, to transmit the second data to the external device through the communication circuit, and to change the encoding parameter based on a remaining storage space of the memory.