Haptic Metadata Customization for Playback Consistency
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Solution Overview
Problem
Haptic feedback technologies face challenges in ensuring consistent playback across different devices due to varying embedded hardware capabilities, leading to distorted experiences for end-users.
Innovation Solution
Broadcasting select haptic metadata customized for each device's playback capabilities, which involves generating original haptic metadata, determining device-specific playback capabilities, and modifying the metadata to ensure compatibility, thereby ensuring consistent and reliable haptic experiences across various haptic-enabled devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If haptic metadata is broadcast without customization for each device, then bandwidth consumption is reduced, but haptic playback consistency across different devices deteriorates
Solution Approach 1:
The system changes the parameters of haptic metadata based on device capabilities. The host source receives capability information from each device and modifies metadata parameters (such as playback rate, volume, frequency ranges) to match the specific hardware characteristics of each device, ensuring consistent playback while optimizing bandwidth usage by sending only device-specific corrections rather than complete metadata sets.
Solution Approach 2:
The system implements dynamic adaptation where haptic metadata is not static but is modified in real-time based on received capability information. The host source dynamically adjusts metadata parameters according to each device's embedded hardware characteristics, allowing the system to optimize for each device individually while maintaining overall system efficiency.
2Reliability
If haptic metadata is customized for each device's playback capability, then haptic playback consistency is improved, but device complexity increases
Solution Approach 1:
The system implements a feedback mechanism where devices send their capability information back to the host source. This feedback loop allows the host source to understand each device's specific hardware characteristics and accordingly customize the haptic metadata, ensuring consistent playback without requiring complex processing at the device end since the customization is performed centrally.
Solution Approach 2:
The host source acts as an intermediary between the haptic metadata source and the various devices. It receives capability information from devices, processes the customization requirements, and generates appropriate metadata for each device. This intermediary approach centralizes the complexity management, reducing the burden on individual devices while ensuring playback consistency.
3Manufacturing precision
If haptic metadata is customized for each device, then haptic playback quality is improved, but data transmission volume increases
Solution Approach 1:
The system extracts only the essential capability information from each device that is necessary for metadata customization. Instead of transmitting complete device profiles or processing entire metadata sets for each device, the system identifies and processes only the critical parameters needed for adjustment, thereby maintaining high playback quality while minimizing data transmission volume.
Data Source
AI summary
Broadcasting select haptic metadata includes broadcasting a broadcast signal to haptic-enabled devices. In response, haptic playback capability information is received at a host source from a haptic-enabled device when original haptic metadata in the broadcast signal encodes haptic information incompatible with the haptic playback capability information. The select haptic metadata, which is customized for the haptic playback capability information, is generated and sent from the host source to the haptic-enabled device.