Playback Device Routines for Synchronized Multi-Room Audio
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Solution Overview
Problem
Existing media playback systems lack flexibility and synchronization capabilities, limiting the ability to seamlessly transition between different audio content and playback zones in a multi-room environment.
Innovation Solution
A media playback system with integrated routines that allow playback devices to operate in defined modes, synchronize audio playback across zones, and respond to user inputs through networked devices, including voice commands and user interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple networked playback devices are used for multi-room audio playback, then the coverage area and playback flexibility are improved, but the synchronization precision and system complexity increase
Solution Approach 1:
The system divides the multi-room audio distribution into multiple independent networked playback devices, each capable of receiving and playing audio content independently. This segmentation allows the system to cover multiple rooms simultaneously while maintaining individual device autonomy, resolving the contradiction between expanded coverage area and synchronization precision.
Solution Approach 2:
The system implements feedback mechanisms through the control application that monitor and adjust the playback state of each networked device. This feedback loop enables real-time synchronization control across multiple devices, ensuring that audio playback remains coordinated despite the increased complexity of multi-device operation.
2Adaptability or versatility
If multiple networked playback devices are deployed for different media content in different rooms, then the playback versatility is improved, but the system complexity and control difficulty increase
Solution Approach 1:
Each networked playback device is designed with universal functionality to play various media content types (audio, video, podcasts) from multiple sources. This multi-functionality approach allows any device in the network to fulfill different playback roles, enhancing system versatility without requiring specialized devices for each function, thereby controlling system complexity.
Solution Approach 2:
The control application serves as an intermediary that manages the complexity of controlling multiple networked devices. It provides a unified interface for users to control playback across different rooms and devices, abstracting the underlying system complexity while maintaining high playback versatility through centralized management.
3Stability of the object's composition
If synchronized playback across multiple rooms is implemented, then the user experience coherence is improved, but the network bandwidth consumption and synchronization latency increase
Solution Approach 1:
The system performs preliminary actions by pre-loading and buffering audio content across networked devices before synchronized playback begins. This advance preparation ensures that when playback starts, all devices have the necessary data ready, minimizing real-time network bandwidth consumption and reducing synchronization latency while maintaining user experience coherence.
Data Source
AI summary
A control device receives one or more first user inputs associating a particular playback mode with one or more playback devices and one or more user-defined acoustic parameters for particular media content that is associated with the particular playback mode. The control device associates a particular trigger condition with the particular playback mode. The particular trigger condition comprises a condition that causes the particular playback mode to be executed. The control device receives one or more second user inputs to activate a particular routine that is associated with the particular playback mode. After receiving the one or more second user inputs, the control device transmits a message that causes the one or more playback devices to play back the particular media content according to the one or more user-defined acoustic parameters.