Audio Frame Metadata Encoding via Data Replacement
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Solution Overview
Problem
Conventional audio processing systems face challenges in synchronizing audio data and metadata, leading to additional processing requirements and potential loss in audio quality due to separate handling of these data types.
Innovation Solution
Encoding audio data with metadata, allowing both to be contained within the same frame structure, thereby minimizing the need for synchronization processing and maintaining high audio quality by replacing only a small portion of the audio data with metadata.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If audio data and metadata are handled separately in conventional systems, then synchronization processing is required, but this increases processing complexity and may cause audio quality loss
Solution Approach 1:
The patent combines audio data and metadata into a single integrated frame structure, where metadata is embedded within the audio frame itself. This merging eliminates the need for separate synchronization processing between audio and metadata, directly resolving the contradiction by reducing processing complexity while maintaining synchronization accuracy through their unified structure.
2Productivity
If metadata is embedded in audio frames, then synchronization is simplified, but audio quality may be affected by data replacement
Solution Approach 1:
The patent applies local quality by selectively replacing only specific portions of the audio data within frames with metadata, rather than replacing entire frames. This localized approach allows the majority of the audio data to remain unchanged, preserving audio quality while still achieving efficient synchronization through the integrated frame structure.
Solution Approach 2:
The patent changes the parameter representation by encoding metadata in a compact format that fits within the audio frame structure. By transforming metadata into a space-efficient representation and embedding it within audio frames, the system achieves processing efficiency without significantly impacting audio quality, as the metadata occupies only a small portion of the overall frame data.
Data Source
AI summary
Techniques for encoding audio data with metadata are described. In an example, a device receives audio data corresponding to audio detected by a microphone and receives metadata associated with the audio. The device generates encoded data based at least in part on encoding the audio data with the metadata. The encoding involves replacing a portion of the audio data with the metadata, such that the encoded data includes the metadata and a remaining portion of the audio data. The device sends the encoded data to an audio processing application.