Non-Linear Vocal Capture Interface for Collaborative Timeline Editing
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Solution Overview
Problem
Existing mobile device platforms face challenges in capturing and coordinating audiovisual performances, particularly vocal music, due to computational and bandwidth limitations, which hinder the creation of compelling user experiences and collaborative musical interactions.
Innovation Solution
A user interface and platform are developed to facilitate non-linear media segment capture and edit, enabling forward and backward traversal of audiovisual content, pitch cues, and lyrics, with features for collaboration and pitch correction, allowing users to capture, edit, and contribute to a shared performance timeline, even across geographically distributed locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If non-linear media segment capture and edit features are implemented on mobile devices, then user experience and collaborative capability are improved, but computational resource consumption and bandwidth usage increase
Solution Approach 1:
The system segments the media processing workload by dividing the performance timeline into discrete media segments that can be independently captured, edited, and transmitted. Each segment represents a portion of the audiovisual performance that can be processed separately on mobile devices and reassembled on the server, reducing the computational burden on individual devices while enabling complex collaborative editing capabilities.
Solution Approach 2:
A server acts as an intermediary between multiple mobile devices, handling the computationally intensive tasks of media segment assembly, synchronization, and storage. The server receives media segments from multiple users, performs the complex operations of coordinating and mixing audiovisual content, and returns processed results to the users' devices, thereby offloading computational resources from mobile devices.
2Adaptability or versatility
If real-time coordination and mixing of audiovisual content from multiple users is enabled, then collaborative performance quality is improved, but network bandwidth consumption increases
Solution Approach 1:
The system extracts only the essential media segments required for collaborative performance from the complete audiovisual content. Instead of transmitting entire videos or audio files, the system identifies and transmits only the specific segments that need to be coordinated and mixed, significantly reducing network bandwidth consumption while maintaining the ability to perform real-time coordination and mixing operations.
Solution Approach 2:
The system implements partial action by allowing users to capture and transmit only the portions of their performance that are relevant to the collaborative piece, rather than requiring complete continuous transmission. Users can selectively capture media segments at specific time points or intervals, reducing the total data volume transmitted over the network while still enabling comprehensive coordination and mixing of the collaborative performance.
Data Source
AI summary
User interface techniques provide user vocalists with mechanisms for forward and backward traversal of audiovisual content, including pitch cues, waveform- or envelope-type performance timelines, lyrics and/or other temporally-synchronized content at record-time, during edits, and/or in playback. Recapture of selected performance portions, coordination of group parts, and overdubbing may all be facilitated. Direct scrolling to arbitrary points in the performance timeline, lyrics, pitch cues and other temporally-synchronized content allows user to conveniently move through a capture or audiovisual edit session. In some cases, a user vocalist may be guided through the performance timeline, lyrics, pitch cues and other temporally-synchronized content in correspondence with group part information such as in a guided short-form capture for a duet. A scrubber allows user vocalists to conveniently move forward and backward through the temporally-synchronized content.