Audio Interference Reduction in Multi-Device Playback and Recording
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In multi-device environments, audio interference occurs when devices are playing and recording content simultaneously, leading to inconvenience as devices may need to be muted, disrupting the experience for users who want to listen to content while others are recording video.
Innovation Solution
A computer-based process that determines whether a device is playing and recording content, and adjusts the playback of nearby devices based on the majority's recording status to minimize audio interference, such as muting microphones or pausing content playback when a majority of devices are recording video.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If devices playing audible content are muted to reduce audio interference with recording devices, then audio interference is reduced, but users who wish to hear the audible content are inconvenienced
Solution Approach 1:
The system applies different quality treatments to different devices based on their function. Recording devices receive audio interference reduction (microphone muting) while playback devices maintain normal audio output. This local differentiation allows each device type to optimize its performance without compromising others.
Solution Approach 2:
The system dynamically adjusts microphone muting status based on real-time detection of nearby recording devices. When recording devices are detected within a threshold distance, the playback device's microphone is muted; when no recording devices are present, normal operation resumes. This dynamic adaptation resolves the contradiction by responding to actual environmental conditions.
2Adaptability or versatility
If multiple devices play and record content simultaneously in the same area, then user flexibility is maximized, but audio interference and conflicts between users occur
Solution Approach 1:
The system implements continuous feedback by monitoring the presence and status of nearby devices. Playback devices query for nearby recording devices, and recording devices report their status. This feedback loop enables automatic coordination where playback devices adjust their microphone status based on recorded information about nearby recording activities, allowing simultaneous operation without interference.
Solution Approach 2:
The system uses an intermediary communication mechanism between devices. A content direction device or peer-to-peer communication serves as an intermediary channel through which devices exchange information about their operational status. This intermediary enables coordinated behavior without direct device-to-device conflict, maintaining user flexibility while preventing interference.
3Manufacturing precision
If a device's microphone is muted to prevent content audio from interfering with video recording, then recording quality is improved, but the device cannot capture ambient audio
Solution Approach 1:
The system applies preliminary anti-action by proactively muting the microphone before audio interference can occur. When a playback device detects nearby recording devices, it pre-mutes its microphone to prevent content audio from contaminating the recording. This preemptive measure ensures recording quality while the system manages the trade-off of ambient audio capture through intelligent device coordination.
Data Source
AI summary
Systems and methods for reducing interference between content play and video recording among multiple devices located proximate to each other. Microphones of devices recording video are muted, or content play is interrupted, according to the actions of a majority of nearby devices. For example, if most devices are recording video, content play may be interrupted to prevent the video from unintentionally recording unwanted sounds from play of the content. Conversely, if most devices are not recording video, only those devices which are may have their microphones muted. Actions to reduce interference may be taken according to the current behavior of a majority of proximate devices.