Playback Device Pairing for Synchronized Multi-Channel Audio
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Solution Overview
Problem
Current technologies for accessing and playing multi-channel audio and video content lack the ability to efficiently create or enhance multi-channel listening environments, particularly in consumer electronics, where multiple playback devices are not effectively paired to produce immersive audio experiences.
Innovation Solution
The described technology involves pairing two or more playback devices with a network interface, amplifier, and processor to configure different audio channel outputs, allowing for enhanced multi-channel audio reproduction by processing audio data and adjusting equalization settings to create a unified multi-channel listening environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple playback devices are used, then multi-channel audio capability is improved, but device complexity and configuration difficulty increase
Solution Approach 1:
The system performs automatic device pairing and channel assignment without requiring manual user configuration. The controller automatically detects available playback devices, determines their optimal pairing configuration, and assigns audio channels based on device characteristics and spatial positioning, eliminating the need for complex manual setup while enabling multi-channel audio capability
Solution Approach 2:
The system uses feedback from device detection and spatial positioning to dynamically adjust pairing configuration. The controller receives information about device locations and capabilities, processes this feedback to determine optimal pairing arrangements, and automatically configures the system accordingly, resolving the contradiction between versatility and complexity
2Reliability
If playback devices are paired for multi-channel output, then audio immersion is improved, but system configuration complexity increases
Solution Approach 1:
The system automatically performs device pairing and channel assignment based on detected device characteristics and spatial positioning. The controller autonomously determines optimal pairing configurations and configures audio output channels without requiring manual user intervention, thereby maintaining high audio immersion quality while simplifying the setup process
Solution Approach 2:
The system performs preliminary automatic detection and configuration of playback devices before audio playback begins. The controller pre-establishes device pairings and channel assignments based on initial device detection and spatial analysis, so that when audio content is played, the immersive multi-channel environment is already optimally configured without requiring complex user setup
Data Source
AI summary
Systems and methods for output of audio content are disclosed. An example first playback device includes a processor. The example processor is configured to at least process audio content to determine a portion of the audio content to be output by the first playback device based on a type of pairing of the first playback device and the audio content. The example processor is configured to at least determine, when the type of pairing pairs the first playback device with a second playback device to output the audio content, a time delay to facilitate sound synchronization with the second playback device. The example processor is configured to at least configure, based on the type of pairing and the time delay, the first playback device to output the portion of the audio content via an amplifier and a plurality of speaker drivers.