Multi-Channel Audio Playback Sync Under Limited Device Resources

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Solution Overview

Problem

Existing Bluetooth-based ear-wearable devices often face challenges in synchronizing and reproducing multiple audio channels effectively, particularly when resources are insufficient, leading to suboptimal audio quality and potential loss of audio data.

Innovation Solution

The electronic device and method enhance audio quality by receiving and synchronizing multiple audio channels through advanced processing, including determining the state of secondary devices and adjusting data reception based on state information, ensuring seamless reproduction even in resource-constrained situations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the electronic device receives and processes multiple audio channels simultaneously, then the audio quality is improved, but the device complexity and resource consumption increase

Engineering Contradiction:
Improveaudio qualityVSAvoidprocessing complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the audio processing task by separating the reception and processing of different audio channels. The device receives multiple audio channels through the communication circuit but processes them independently based on device state information. This segmentation allows the system to maintain high audio quality by preserving all channels while reducing processing complexity by handling each channel separately rather than as a unified complex stream.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements dynamic processing by adjusting the reception and processing of audio channels based on real-time device state information. The electronic device dynamically determines which audio channels to receive and process based on current resource availability and device state, rather than using a fixed processing approach. This dynamic adaptation allows the system to optimize between audio quality and processing complexity according to actual conditions.

Inventive Principle:
Principle #15Dynamics

2Loss of information

If the electronic device receives all audio channels regardless of device state, then the audio completeness is improved, but the resource consumption increases

Engineering Contradiction:
Improveaudio data completenessVSAvoidresource consumption
Core Design Contradiction:
Loss of informationVSUse of energy by moving object

Solution Approach 1:

The patent applies partial action by selectively receiving only the necessary audio channels based on device state information rather than receiving all available channels unconditionally. The device determines which audio channels are needed based on its current state (such as whether a secondary device is present and operational), thereby consuming resources only for the partial set of channels that are actually required, rather than processing all possible channels.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The system uses feedback mechanisms by continuously monitoring device state information and adjusting audio channel reception accordingly. The electronic device receives state information about the secondary device and uses this feedback to dynamically adjust which audio channels to receive and process. This closed-loop feedback ensures audio data completeness when needed while reducing resource consumption when the secondary device is unavailable or non-functional.

Inventive Principle:
Principle #23Feedback

3Reliability

If the electronic device synchronizes multiple audio channels, then the audio performance is improved, but the time required for processing increases

Engineering Contradiction:
Improveaudio performanceVSAvoidsynchronization time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by establishing synchronization mechanisms in advance for receiving multiple audio channels. The device prepares the necessary synchronization protocols and timing structures before actual audio reception begins, allowing for efficient real-time processing. By pre-configuring the synchronization framework based on expected device states, the system reduces the time required for actual audio channel synchronization while maintaining high audio performance.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20260067634A1Electronic device for providing audio service, and operating method thereof
Publication Date: 2026.03.05 SAMSUNG ELECTRONICS CO LTD
  • US20260067634A1 patent drawing
  • US20260067634A1 patent drawing
  • US20260067634A1 patent drawing

AI summary

Disclosed is an electronic device comprising a memory for storing instructions, a communication circuit, and at least one processor. The instructions enable the electronic device to: receive advertising data including information related to a broadcast stream including a first audio channel and a second audio channel; receive first audio data of the first audio channel from a source electronic device on the basis of the information; determine, on the basis of status information of a second electronic device related to the second audio channel, whether to receive second audio data of the second audio channel; receive the second audio data of the second audio channel from the source electronic device through the communication circuit on the basis that it is determined that the second audio data of the second audio channel will be received; and output playback audio corresponding to the first audio data and the second audio data.