Audio Synchronization Point Generator for Multi-Camera Video
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Solution Overview
Problem
Traditional methods for synchronizing audio and video captured by multiple cameras often require manual adjustment of time codes and the use of clapper sounds, leading to undesired sound delays and echoing effects, and rely on external synchronization information that can be distracting or resource-intensive.
Innovation Solution
An audio synchronization point generator that analyzes audio attributes to automatically identify post-capture synchronization points, reducing the need for external synchronization information and minimizing manual intervention by aligning audio and video based on subject audio patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If time codes are used to synchronize audio and video, then synchronization can be achieved, but manual adjustment is required and the process becomes complex
Solution Approach 1:
The system uses the audio content itself to generate synchronization points without requiring external time codes or manual intervention. The audio waveform analysis automatically identifies distinctive patterns and generates synchronization markers, allowing the audio to serve its dual purpose of both content and synchronization reference.
Solution Approach 2:
The patent replaces the mechanical/manual process of time code alignment with an automated computational process. Instead of manually adjusting time codes to match video frames, the system uses audio waveform analysis and pattern recognition algorithms to automatically generate synchronization points.
2Reliability
If clapper sounds are used for synchronization, then audio synchronization can be achieved, but sound delays and echoing effects occur
Solution Approach 1:
The patent extracts the synchronization function from separate external aids (clappers, time codes) and integrates it directly into the audio content itself. By analyzing the audio waveform for distinctive patterns, the system identifies synchronization points within the natural audio signal without adding external synchronization elements.
Solution Approach 2:
The system converts the natural variations in audio capture (caused by different camera positions and ambient noise) into beneficial synchronization markers. Distinctive audio patterns that naturally occur in the recording become the basis for generating synchronization points, turning potential synchronization problems into solutions.
3Reliability
If external synchronization information is used, then synchronization accuracy can be maintained, but distracting signals appear in the final product
Solution Approach 1:
The patent merges the synchronization function with the audio content itself. The synchronization points are generated from the audio waveform analysis and are inherently part of the audio track, eliminating the need for separate synchronization signals that would need to be added or embedded in the video.
Solution Approach 2:
The audio content serves its own synchronization purpose by providing distinctive patterns that can be automatically detected and used to align video and audio tracks, eliminating the need for external synchronization aids that would leave visible or audible markers in the final product.
4Reliability
If manual adjustment of time codes is performed, then synchronization can be achieved, but the effort and time required increase significantly
Solution Approach 1:
The system performs preliminary analysis of the audio waveform to pre-identify synchronization points before the actual synchronization process. By analyzing audio attributes and detecting distinctive patterns in advance, the system prepares synchronization markers that can be quickly applied without requiring manual adjustment during the editing process.
Solution Approach 2:
The patent replaces manual time code adjustment with automated audio waveform analysis. The system uses computational algorithms to detect distinctive audio patterns and generate synchronization points automatically, eliminating the manual labor of aligning time codes frame by frame.
Data Source
AI summary
Embodiments of the invention relate generally to computing devices and systems, software, computer programs, applications, and user interfaces, and more particularly, to synchronizing portions of video as a function of the post-capture generation of synchronization points for audio, the portions of video being captured at multiple cameras.