Multichannel Audio Playback Using Orientation-Based Channel Routing
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Solution Overview
Problem
Current technologies for consumer electronics fail to optimally adapt sound reproduction based on the orientation of playback devices, leading to suboptimal audio experiences in various environments and configurations.
Innovation Solution
The technology determines the orientation of playback devices and adjusts sound reproduction accordingly, allowing for stereophonic or monaural signals, frequency range modifications, and sound shaping based on orientation, pairing, grouping, and consolidation of devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If sound reproduction is performed using fixed channel routing, then device complexity is reduced, but adaptability to different orientations and environments deteriorates
Solution Approach 1:
The patent implements dynamic channel routing that automatically adjusts based on detected device orientation. The system transitions from static to dynamic operation by using orientation sensors to real-time modify audio signal distribution across speakers, enabling the same hardware to adapt to different mounting configurations without requiring manual intervention or complex reconfiguration.
Solution Approach 2:
The system changes operational parameters (channel assignments to speakers) based on detected orientation parameters. By monitoring physical orientation and dynamically adjusting audio routing parameters, the system achieves environmental adaptability while maintaining a relatively simple underlying architecture that relies on automated parameter modification rather than structural complexity.
2Reliability
If orientation-based sound shaping is implemented, then sound optimization in diverse environments is improved, but ease of operation deteriorates
Solution Approach 1:
The system performs self-configuration by automatically detecting device orientation through sensors and autonomously determining the appropriate audio channel routing without user input. The orientation-based sound shaping is applied automatically, eliminating the need for manual configuration while ensuring reliable sound optimization adapted to the specific mounting environment.
Solution Approach 2:
The system uses feedback from orientation sensors to continuously monitor device position and adjust audio channel routing accordingly. This closed-loop approach ensures that sound optimization remains aligned with actual device orientation, maintaining high reliability while requiring no user intervention for configuration or adjustment.
3Manufacturing precision
If frequency routing based on orientation is applied, then audio experience quality is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical or manual audio configuration systems with automated electronic orientation detection and processing. By using sensors to detect device orientation and automatically applying appropriate frequency routing and channel assignments, the system achieves precise audio signal processing without requiring complex mechanical adjustment mechanisms or manual configuration interfaces.
Data Source
AI summary
Disclosed embodiments include systems and methods for position-based playback of multichannel audio. Some embodiments include (i) receiving, via a network interface of a first playback device, an indication of a position of a second playback device, (ii) determining, based on the received indication of the position of the second playback device, an audio characteristic of the first playback device, and (iii) playing back, via one or more transducers associated with the first playback device, a first portion of media content according to the determined audio characteristic in substantial synchrony with playback, via the second playback device, of a second portion of the media content.