Hierarchical Audio Data Format for Tempo-Preserving Duration Modification
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Solution Overview
Problem
Conventional sound editing applications fail to modify audio duration without altering tempo, rearrange musical scores seamlessly, and lack a hierarchical audio data format for compatibility across applications, leading to inconsistencies and limitations in modifying audio information based on discrete segments.
Innovation Solution
An audio formatting process that defines a hierarchical audio data format using a predetermined syntax, enabling seamless access and modification of audio files by identifying elements, segments, and attributes of a musical score, preserving tempo and allowing for rearrangement of discrete audio portions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional compression and expansion techniques are used to modify audio duration, then the duration can be changed, but the tempo is altered (speeding up or slowing down the perceived audio)
Solution Approach 1:
The audio file is divided into discrete segments or clips that can be independently manipulated. By segmenting the audio into manageable portions, the system can rearrange and modify durations without affecting the overall tempo, as each segment can be precisely controlled and repositioned without compression or expansion
Solution Approach 2:
The patent introduces a hierarchical structure with multiple dimensions for organizing audio data - temporal positioning, segment identification, and structural hierarchy. This multi-dimensional approach allows duration modification through structural rearrangement rather than temporal compression, preserving the original playback speed and tempo
2Ease of operation
If discrete portions of the musical score are rearranged using conventional applications, then repositioning can be achieved, but perceptible inconsistencies (crackles or pops) occur during transitions
Solution Approach 1:
The audio file is pre-processed into discrete, well-defined segments with clear boundaries and metadata. This preliminary segmentation ensures that when rearrangement occurs, transitions between segments are smooth and consistent, eliminating crackles and pops by maintaining proper audio level and timing relationships
Solution Approach 2:
The patent introduces an intermediary hierarchical structure and metadata system that mediates between the audio segments and the rearrangement operation. This intermediary layer manages transitions, ensuring seamless blending and consistent audio levels during repositioning, thereby preventing perceptible inconsistencies
3Adaptability or versatility
If conventional sound editing applications are used, then basic audio modification is possible, but there is no hierarchical audio data format for compatibility across applications
Solution Approach 1:
The patent creates a universal hierarchical audio data format that can be used across different applications and platforms. This standardized structure serves multiple functions - organizing audio segments, storing metadata, enabling rearrangement, and facilitating cross-application compatibility - thereby achieving versatility without proportionally increasing complexity
Data Source
AI summary
An audio formatting process identifies a musical score of audio information operable to be rendered by a rendering application. The audio formatting process enumerates aspects of the score such that the aspects are operable to define renderable features of the score. The aspects further define a duration modifiable by the rendering application to a predetermined duration that preserves the tempo of the score. Additionally, the audio formatting process stores the enumerated aspects according to a predetermined syntax operable to indicate to the rendering application the manner of accessing each of the aspects of the score.