Bonded Playback Zones for Multi-Assistant Voice Access
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Solution Overview
Problem
Existing playback devices are limited to associating with a single voice assistant service due to processing constraints, preventing users from utilizing multiple voice assistant services simultaneously.
Innovation Solution
The system allows multiple playback devices to form a bonded zone, presenting as a single user interface entity, where each device can be associated with a different voice assistant service, enabling interaction with multiple voice assistants through a single interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a playback device is associated with a single voice assistant service, then processing constraints are satisfied, but users cannot utilize multiple voice assistant services simultaneously
Solution Approach 1:
The system segments the voice assistant service association across multiple playback devices within a bonded zone. Each device maintains its own single-service association (satisfying processing constraints), while the bonded zone collectively provides multi-service access. This segmentation resolves the contradiction by distributing the functionality across device boundaries.
Solution Approach 2:
The bonded zone entity provides universal access to multiple voice assistant services through a single user interface, even though individual devices are associated with only one service each. This multi-functionality at the zone level resolves the contradiction by enabling users to interact with multiple services without requiring each device to handle multiple services simultaneously.
2Adaptability or versatility
If multiple playback devices are bonded to access multiple voice assistant services, then service versatility improves, but system complexity increases
Solution Approach 1:
The bonded zone acts as an intermediary layer between users and multiple playback devices. Instead of requiring users to directly manage complex multi-device configurations for each service, the bonded zone provides a simplified single interface that handles the complexity internally. This mediator approach resolves the contradiction by shielding users from system complexity while maintaining service versatility.
3Ease of operation
If each playback device is limited to one voice assistant service, then device processing is simplified, but user experience is limited
Solution Approach 1:
The system merges multiple playback devices into a bonded zone, combining their individual single-service capabilities into a collective multi-service system. This merging preserves the processing simplicity of individual devices while achieving enhanced user experience through combined functionality. The bonded zone presents a unified interface that provides access to multiple services without complicating individual device operation.
Data Source
AI summary
Systems and methods for media playback via a media playback system include detecting a first wake word via a first network microphone device of a first playback device, detecting a second wake word via a second network microphone device of a second playback device, and forming a bonded zone that includes the first playback device and the second playback device. In response to detecting the first wake word, a first voice utterance following the first wake word is transmitted a first voice assistant service. In response to detecting the second wake word, a second voice utterance following the second wake word is transmitted to a second voice assistant service. Requested media content received from the first and/or second voice assistant service is played back via the first playback device and the second playback device in synchrony with one another.