TWS Earphone Audio Data Transmission with Bidirectional Verification

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

The existing TWS Bluetooth earphone technology experiences high packet loss rates and high power consumption due to the one-way communication manner and the need for continuous data forwarding, which affects user experience.

Innovation Solution

A method and system for transmitting audio data in TWS devices, where a TWS master device and a TWS slave device communicate through synchronized time windows within a communication cycle, using additional packet data to confirm receipt of audio data and turning off resending and forwarding time windows when both devices have received the data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the master earphone continuously forwards audio data to the slave earphone in a one-way communication manner, then data transmission is achieved, but packet loss rate increases and power consumption increases

Engineering Contradiction:

Improvepacket loss rateVSAvoidpower consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent inverts the traditional one-way forwarding communication by implementing a two-way verification mechanism. The master and slave earphones exchange additional packet data to confirm mutual receipt of audio data, transforming the unidirectional forwarding model into a bidirectional confirmation model that reduces unnecessary transmissions and improves reliability while managing power consumption.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The patent introduces feedback mechanisms where the master and slave earphones send additional packet data to confirm receipt status. This feedback loop allows both devices to verify whether audio data was successfully received, enabling intelligent decision-making about whether to forward data again, thereby reducing packet loss and optimizing power usage.

Inventive Principle:

Principle #23Feedback

2Productivity

If the master earphone forwards every audio data packet to the slave earphone, then data synchronization is maintained, but communication efficiency decreases and power consumption increases

Engineering Contradiction:

Improvecommunication efficiencyVSAvoidpower consumption

Core Design Contradiction:

ProductivityVSUse of energy by moving object

Solution Approach 1:

The patent applies partial action by implementing selective forwarding based on verification results. Instead of forwarding every audio data packet unconditionally, the system performs partial forwarding only when necessary - specifically when the additional packet data confirmation indicates that data was not successfully received. This reduces unnecessary communication operations and power consumption while maintaining data synchronization.

Inventive Principle:

Principle #16Partial or excessive action

Solution Approach 2:

The patent implements periodic verification through additional packet data exchange at specific intervals in the communication cycle. The communication cycle includes dedicated time windows for sending/receiving audio data and separate windows for exchanging verification packets, creating a periodic rhythm that balances data transmission with confirmation checks, thereby improving overall communication efficiency.

Inventive Principle:

Principle #19Periodic action

3Reliability

If the TWS master device maintains active communication windows for resending and forwarding data, then data transmission reliability is improved, but power consumption increases

Engineering Contradiction:

Improvedata transmission reliabilityVSAvoidpower consumption

Core Design Contradiction:

ReliabilityVSUse of energy by stationary object

Solution Approach 1:

The patent applies dynamics by making the communication windows conditional rather than static. The resending and forwarding time windows are dynamically activated or deactivated based on the verification results from additional packet data exchange. When both master and slave confirm successful receipt, these windows are deactivated to save power; when verification fails, they are activated to ensure reliable delivery, creating a dynamic adaptation to actual transmission needs.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12207071B2Method and system for transmitting audio data, TWS earphone pair, chip and medium

Publication Date: 2025.01.21 ZHUHAI JIELI TECH

AI summary

A method for transmitting audio data, including: determining whether a TWS master device and a TWS slave device have received audio data; sending a first additional packet data to the TWS slave device according to a first determination that the TWS master device has received the audio data, and forwarding the audio data to the TWS slave device according to a second determination that the TWS master device has not received a second additional packet data, turning off a resending time window of the TWS master device; sending the second additional packet data to the TWS master device according to a third determination that the TWS slave device has received the audio data, and forwarding the audio data to the TWS master device according to a fourth determination that the TWS slave device has not received the first additional packet data, and turning off the resending time window of the TWS slave device.