UWB Digital Audio Transmission Unit Low-Delay Lossless
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless audio transmission technologies like Bluetooth and Wi-Fi face limitations in transmission distance, bandwidth, power consumption, and interference, making them unsuitable for low-delay lossless audio transmission and one-to-multiple or multiple-to-one audio scenarios.
Innovation Solution
A UWB-based low-delay lossless digital audio transmission unit and system, comprising an audio input module, audio processing module, radio frequency transceiving module, and UWB processing module, which enables bidirectional audio transmission through a UWB processing module, radio frequency transceiving module, and audio processing module, utilizing I2S interface, FIFO buffer, and real-time transport protocol stack to achieve high-bandwidth, low-power consumption, and EMI resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If Bluetooth is used for wireless audio transmission, then transmission distance is extended and connectivity is improved, but bandwidth is limited and transmission delay increases
Solution Approach 1:
The patent changes the transmission parameter from Bluetooth's lower data rate to UWB's higher data rate (up to 480 Mbps), fundamentally altering the transmission speed parameter to achieve both low delay and lossless audio quality
2Speed
If Wi-Fi is used for lossless audio transmission, then bandwidth is sufficient and audio quality is maintained, but power consumption increases and device complexity increases
Solution Approach 1:
The patent changes the transmission technology parameter from Wi-Fi to UWB, utilizing UWB's unique characteristic of providing high data rates with significantly lower power consumption, thus resolving the contradiction between audio quality and power usage
3Reliability
If Wi-Fi router is added for lossless audio transmission, then audio quality is improved, but device complexity increases and synchronization difficulty increases
Solution Approach 1:
The patent extracts and removes the external Wi-Fi router component from the system, replacing it with integrated UWB functionality that provides the same lossless audio transmission capability without requiring separate infrastructure devices
Solution Approach 2:
The UWB module is designed to perform multiple functions including audio transmission, synchronization, and connection management within a single integrated component, eliminating the need for separate Wi-Fi routers and reducing overall system complexity
4Reliability
If Wi-Fi is used for audio transmission, then lossless audio quality is achieved, but mutual interference increases and synchronization becomes difficult
Solution Approach 1:
The patent leverages UWB's unique ability to operate in the 3.1-10.6 GHz frequency range with excellent penetration and resistance to interference, converting the potential harmful effect of crowded wireless environments into a benefit by demonstrating UWB's superior anti-interference capability compared to Wi-Fi
Data Source
AI summary
A UWB-based low-delay lossless digital audio transmission unit, including an audio input module, an audio processing module, a radio frequency transceiving module and a UWB processing module. The audio processing module is in signal connection with the audio input module and receives a first digital audio signal from the audio input module and transmits the first digital audio signal to the UWB processing module. The UWB processing module is connected with the audio processing module and the radio frequency transceiving module. The radio frequency transceiving module is connected with another digital audio transmission unit to send it the first digital audio signal processed by the UWB processing module and to receive a second digital audio signal from the another digital audio transmission unit. A system and an electronic device having the UWB-based low-delay lossless digital audio transmission unit are also provided.