Distributed Audio Recording System with Proxy File Synchronization
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Solution Overview
Problem
Current remote audio recording systems for video content synchronization face challenges in achieving true synchronization due to network bandwidth limitations, hardware differences, and the use of lossy compression, resulting in delayed and low-quality audio recordings that are not in sync with video frames, requiring significant effort to correct.
Innovation Solution
A distributed network recording system that uses a cloud-based virtual recording studio within a web browser to record and review audio synchronized with video, allowing for frame-synchronized, lossless audio files in high-quality 48 kHz/24 bit sound, with controls and edits managed centrally to ensure synchronization across participants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If remote audio recording is performed over network using standard compression, then accessibility and ease of operation are improved, but audio quality and synchronization precision deteriorate due to lossy compression and network bandwidth limitations
Solution Approach 1:
The system separates proxy audio files (used for editing and review) from the original high-quality audio files. Proxy files are compressed versions that can be efficiently transmitted and edited over the network, while the original lossless audio files are preserved separately for final output, thus resolving the contradiction between network accessibility and audio quality
Solution Approach 2:
The patent introduces a server as an intermediary that manages the master recording session, stores original high-quality audio files, and handles synchronization. The server receives edits from multiple users, processes them, and maintains the authoritative version, enabling remote collaboration without compromising audio quality or synchronization precision
2Productivity
If multiple users edit audio files simultaneously from different locations, then collaboration efficiency is improved, but file synchronization and version control become complex
Solution Approach 1:
The system implements a centralized feedback mechanism where all edit instructions from multiple users are sent to the server, which processes them and returns updated proxy files to users. This feedback loop ensures that all users work from synchronized versions and eliminates version control conflicts, enabling efficient collaboration without increasing system complexity
Solution Approach 2:
The system creates and distributes proxy audio files as copies of the master audio for editing purposes. These proxy files are lightweight copies that can be freely edited and distributed to multiple users without affecting the original high-quality audio, simplifying the collaboration process while maintaining file integrity
3Manufacturing precision
If high-quality lossless audio files are transmitted over network, then audio quality is improved, but network bandwidth consumption and transmission time increase
Solution Approach 1:
The system segments audio file usage into two categories: proxy files for network transmission and editing, and original high-quality files for final output. The proxy files are compressed versions that consume minimal bandwidth while preserving sufficient quality for editing and review, thus resolving the contradiction between audio quality and transmission time
Solution Approach 2:
The system creates compressed proxy copies of the original high-quality audio files for network distribution. These proxy copies are optimized for web delivery and can be quickly transmitted and edited, while the original lossless audio files remain stored on the server for final rendering, eliminating the need to transmit large high-quality files over the network
Data Source
AI summary
A method for editing a remote audio recording session is disclosed. The method may be performed by a server computer connected to a plurality of user computers over a communication network. The method may include receiving instructions from a first computer to edit an attribute of a first proxy audio file of a high-quality audio file at a timestamp synchronized with at least one frame of the first video clip. The method may further include merging the edit of the attribute into the high-quality audio file of the master recording session using the instructions from the first computer to edit the attribute. The method may further include transmitting the instructions received from the first computer to the second computer to edit the attribute such the second computer renders a second proxy audio file of the high-quality audio file stored in local memory of the second computer with the edit of the attribute.