Audio Transmission With Multi-Frequency Signals in One Time Slot
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Solution Overview
Problem
Current audio transmission methods in wireless communication, such as Bluetooth, utilize a single frequency band in each time slot, resulting in low wireless transmission rates when transmitting audio to multiple devices.
Innovation Solution
Modulate audio signals into multiple target radio frequency signals with different frequency bands and combine them in a single time slot for transmission to improve frequency band utilization and transmission rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If audio signals are transmitted to multiple wireless devices using a single frequency band in each time slot, then device compatibility and simplicity are maintained, but wireless transmission rate and frequency band utilization are low
Solution Approach 1:
The audio signal is segmented into multiple independent target radio frequency signals, each modulated to a different frequency band. This allows parallel transmission of audio data streams to multiple wireless devices simultaneously within the same time slot, thereby increasing the overall wireless transmission rate without requiring complex multi-device coordination protocols
Solution Approach 2:
The system transitions from single-frequency transmission to multi-frequency transmission by utilizing the frequency dimension. Multiple audio data streams are transmitted concurrently on different frequency bands (e.g., first frequency band, second frequency band) within the same time slot, effectively adding a frequency dimension to the transmission space and improving bandwidth utilization
2Productivity
If multiple audio data streams are transmitted sequentially to different wireless devices, then transmission reliability is maintained, but frequency band utilization and transmission efficiency are low
Solution Approach 1:
Multiple audio data streams that would traditionally be transmitted sequentially are merged into simultaneous transmissions by modulating them onto different frequency bands. The first audio data stream and second audio data stream are transmitted at the same time on the first frequency band and second frequency band respectively, improving transmission efficiency while maintaining reliability through frequency diversity
Solution Approach 2:
The system changes the frequency parameter of the transmitted signals by modulating different audio data streams to different frequency bands. This parameter differentiation allows multiple streams to coexist in the same time slot without interference, achieving both high transmission efficiency and reliability through frequency division multiplexing
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances data transmission rates by allowing concurrency of multiple radio frequency signals in the same time slot, improving frequency band utilization and overall data throughput.
Implementation Method 1
modulating, when the first electronic device transmits audio to a second electronic device, an audio signal transmitted to the second electronic device into at least two target radio frequency signals
Implementation Method 2
combining the at least two target radio frequency signals in a first time slot, and outputting a combined radio frequency signal to the second electronic device, where frequency bands of the at least two target radio frequency signals are different in the first time slot
Data Source
AI summary
An audio transmission method and an electronic device are provided. The audio transmission method includes: modulating, when the first electronic device transmits audio to a second electronic device, an audio signal transmitted to the second electronic device into at least two target radio frequency signals; and combining the at least two target radio frequency signals in a first time slot, and outputting a combined radio frequency signal to the second electronic device, where frequency bands of the at least two target radio frequency signals are different in the first time slot.