Digital Assistant Signal Processing Coordination
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Solution Overview
Problem
In a voice-driven computing environment, multiple digital assistant computing devices may interfere with each other, leading to undesirable interference, increased network bandwidth usage, and processor utilization, as they attempt to control the same network-connected devices, resulting in errors or redundant processing.
Innovation Solution
A system that coordinates signal processing among digital assistant computing devices by designating one device as the primary signal processor and another as secondary, using a signal quality checker to determine operational capability, and employing an orchestrator component to manage processing and prevent redundant actions through a direct action API.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple digital assistant computing devices are within discoverable range and attempt to control network-connected devices, then device coverage and accessibility are improved, but interference between devices increases and processing reliability deteriorates
Solution Approach 1:
The system segments the signal processing function by designating one device as primary signal processor and another as secondary signal processor. This segmentation resolves the contradiction by allowing multiple devices to be present (improving coverage) while assigning exclusive processing roles (maintaining reliability). The primary device handles audio signal processing while the secondary device handles other tasks, preventing interference despite both devices being discoverable and operational.
2Reliability
If multiple digital assistant computing devices process the same input audio signal simultaneously, then system redundancy is improved, but network bandwidth usage and processor utilization increase
Solution Approach 1:
The system segments the processing workload by assigning the input audio signal processing exclusively to the primary digital assistant computing device while the secondary device processes other signals or remains in standby. This maintains system redundancy (both devices can operate) while eliminating duplicate processing of the same audio signal, thereby reducing processor utilization and energy consumption.
Solution Approach 2:
The secondary digital assistant computing device performs partial action by being available as a backup or for other processing tasks without fully processing the same audio signal as the primary device. This provides redundancy without the excessive resource consumption of complete duplicate processing.
3Adaptability or versatility
If multiple digital assistant computing devices attempt to control the same network-connected device, then system versatility is improved, but errors and redundant processing increase
Solution Approach 1:
The system segments control authority by designating the primary digital assistant computing device as the sole controller for network-connected devices when processing an audio signal. This maintains versatility (multiple devices can join the network and control devices at different times) while ensuring control accuracy (only one device sends control commands for a given audio signal, preventing conflicts and errors).
Data Source
AI summary
Coordinating signal processing among computing devices in a voice-driven computing environment is provided. A first and second digital assistant can detect an input audio signal, perform a signal quality check, and provide indications that the first and second digital assistants are operational to process the input audio signal. A system can select the first digital assistant for further processing. The system can receive, from the first digital assistant, data packets including a command. The system can generate, for a network connected device selected from a plurality of network connected devices, an action data structure based on the data packets, and transmit the action data structure to the selected network connected device.