Group Volume Control with Limited Ranges in Connected Playback
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Solution Overview
Problem
Existing audio playback systems struggle to manage synchronized audio playback across multiple zones while maintaining control over volume levels, especially in shared environments, leading to potential disturbances and limitations in user access.
Innovation Solution
A system of zone players and controllers that allow for synchronized audio playback across multiple zones, with state variable updates managing volume ranges and group adjustments, ensuring that playback volumes are adjusted within limited ranges to prevent disturbances and allow restricted access based on user permissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If synchronized audio playback is enabled across multiple zones, then the social audio experience is improved, but volume control becomes complex and disturbances may occur
Solution Approach 1:
The system divides volume control into separate controllable units - individual zone players can be independently adjusted while maintaining group synchronization. Each playback device has its own volume control interface, allowing granular management without affecting the entire system's synchronized operation.
Solution Approach 2:
A controller acts as an intermediary between users and multiple playback devices. The controller manages volume adjustments across zones, applying changes systematically to maintain synchronization while preventing disturbances through coordinated control of all connected devices.
2Ease of operation
If individual volume control is allowed in each zone, then user autonomy is improved, but system synchronization and disturbance prevention become difficult
Solution Approach 1:
The system dynamically adjusts volume levels across zones based on individual zone settings while maintaining overall synchronization. When one zone's volume is changed, the system dynamically recalibrates other zones to preserve synchronized playback without causing disturbances.
Solution Approach 2:
The system implements feedback mechanisms where volume adjustments in one zone are detected and communicated to the controller, which then applies compensating adjustments to other zones. This feedback loop ensures synchronization is maintained while allowing individual zone autonomy.
3Ease of operation
If unrestricted access to volume control is provided, then ease of use is improved, but disturbance prevention and user permissions become problematic
Solution Approach 1:
The system applies preliminary volume limitations to individual zones based on predefined disturbance criteria before users can make adjustments. Maximum volume thresholds are pre-set for zones near boundaries or sensitive areas, preventing disturbances before they occur while still allowing controlled user interaction.
Solution Approach 2:
Different access levels and volume restrictions are applied to different zones based on their specific characteristics. Zones adjacent to property lines or sensitive areas have stricter controls and lower maximum volumes, while interior zones have more flexible controls, allowing ease of use where appropriate while preventing disturbances where needed.
Data Source
AI summary
Methods and systems are provided for volume interactions for connected playback devices. In one example, a playback device applies a state variable update associated with the playback device. The playback device may be one of a plurality of playback devices, and the state variable update may indicate a limited volume range associated with the playback device. The playback device renders audio content in synchrony with other playback devices in the plurality of playback devices. The playback device receives input data indicating a group volume adjustment for the plurality of playback device and adjusts a playback volume of the playback device based on the group volume adjustment and the limited volume range.