Playback Speaker Pairing for Multi-Channel Audio Synchronization
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Solution Overview
Problem
Current technologies for accessing and playing multi-channel audio and video content lack the ability to efficiently pair and configure playback devices to enhance the listening experience, particularly in creating or enhancing multi-channel audio environments such as stereo or surround sound.
Innovation Solution
The described technology involves pairing two or more playback devices to configure them to output different subsets of audio channels, using a network interface, amplifier, and processor to process and equalize audio data, allowing for the creation of multi-channel listening environments by reconfiguring devices to output specific channels, such as right and left channels, or front and rear channels, and optimizing synchronization and equalization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If playback devices are paired to create multi-channel audio environments, then the listening experience is enhanced, but the device complexity and configuration difficulty increase
Solution Approach 1:
The system performs automatic device pairing and configuration without requiring manual user setup. The playback devices automatically detect each other, establish connections, and configure their output channels based on their positions in the multi-channel environment, eliminating the need for complex manual configuration while enhancing multi-channel audio capabilities
Solution Approach 2:
The system dynamically changes operational parameters such as equalization settings and channel assignments based on the pairing configuration. When devices are paired, the system automatically adjusts parameters like equalization to optimize the multi-channel audio output for different pairing scenarios (stereo, surround, etc.), resolving the contradiction between enhanced capability and configuration complexity
2Manufacturing precision
If playback devices are dynamically reconfigured for different pairing types, then audio output optimization is achieved, but the processing complexity increases
Solution Approach 1:
The system implements dynamic reconfiguration of playback devices based on the detected pairing type. When devices are paired, the system automatically adjusts equalization parameters, channel assignments, and audio routing in real-time according to the specific pairing configuration (e.g., stereo pair, surround setup), optimizing audio output quality while managing processing complexity through automated dynamic adaptation
Data Source
AI summary
Technology for grouping, consolidating, and pairing individual playback devices with network capability (players) to stimulate a multi-channel listening environment is disclosed. An example method includes receiving an audio signal containing a range of audio frequencies; amplifying, according to a gain parameter, the audio signal to be reproduced by at least one speaker. The example method includes automatically increasing the gain parameter to a higher gain parameter responsive to a determination that no more than a subset of the range of audio frequencies is to be reproduced by the at least one speaker. The example method includes amplifying, according to the higher gain parameter, the audio signal containing no more than the subset of the range of audio frequencies to be reproduced by the at least one speaker.