Environmentally Aware Remote Control for Audio-Video Synchronization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional audio and audiovisual systems face performance degradation due to their surroundings, requiring significant user effort for calibration and failing to adapt to changing environments or user positioning.
Innovation Solution
An environmentally aware remote control system that uses sensors to detect signals and adjust timing and other parameters of audio and video streams based on user position, room characteristics, and signal properties, automatically synchronizing and optimizing audiovisual output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional calibration techniques are used to adjust for performance degradation, then audio and video timing can be adjusted, but significant user effort and specialized equipment are required
Solution Approach 1:
The system automatically performs calibration by detecting acoustic waves and calculating time differences between audio and video signals without requiring user intervention. The processor independently measures the environment and adjusts timing parameters, making the system self-calibrating rather than requiring specialized user equipment or expertise
Solution Approach 2:
The system uses sensors to detect acoustic waves and continuously monitors the timing relationship between audio and video signals. Based on this feedback, the processor automatically calculates time differences and adjusts the timing of video frames or audio samples to maintain synchronization, creating a closed-loop control system
2Measurement precision
If conventional calibration techniques are used, then timing adjustments can be made, but the system does not adapt to changing environments or user positioning
Solution Approach 1:
The system transitions from static calibration to dynamic adaptation by continuously detecting acoustic waves and recalculating time differences as the environment or user position changes. The processor automatically updates timing adjustments based on real-time sensor data, allowing the system to adapt to moving users or changing room conditions
Solution Approach 2:
The continuous detection of acoustic waves provides real-time feedback about the acoustic environment and user position. The processor uses this feedback to dynamically adjust timing parameters, ensuring synchronization is maintained even as environmental conditions change
3Ease of operation
If audio and video streams are processed separately, then independent timing control is possible, but synchronization across multiple systems is difficult to maintain
Solution Approach 1:
The system detects acoustic waves from audio playback and uses this feedback to measure the actual time difference between audio and video arrival. This empirical measurement approach automatically accounts for different system characteristics and room acoustics, reliably synchronizing independently controlled audio and video streams without requiring complex manual coordination
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution reduces user effort in maintaining desired settings, enhances sound quality by adapting to environmental changes, and ensures synchronized audio and video playback across multiple systems.
Implementation Method 1
detect signals comprising a first signal and a second signal, the first signal detected from at least a corresponding first acoustic wave from at least a first physical source
Data Source
AI summary
Disclosed herein are system, apparatus, article of manufacture, computer-implemented method, and/or computer-program product (computer-readable non-transitory storage medium) embodiments, and/or combinations and sub-combinations thereof, for an environmentally aware remote control. An example embodiment operates by at least one processor detecting a first signal and a second signal and receiving information corresponding to at least a physical position where a user is located relative to at least the first physical source. The at least one processor may further operate by calculating a time difference between a given sample of the first signal and a corresponding sample of a second signal at the physical position where the user is located, and adjusting a relative timing of the first signal with respect to the second signal. In some further embodiments, the at least one processor may adjust other attributes of either signal besides timing, e.g., audio characteristics such as volume, pitch, other filtering, etc.