Systems and methods to conceal un-recoverable audio blocks
US12407983B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 11, 2023 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Feb 24, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides for systems and methods for resolving discontinuities in audio data. The systems and methods include receiving, by a receiving device, a sequence of audio data blocks that has at least one missing. A repeat buffer of the receiving device buffers each audio data block in order according to the sequence. The receiving device resolves the discontinuity by accessing in the repeat buffer a previous audio data block preceding the at least one discontinuity, flipping the time indices of the previous audio data block, determining a slope of the audio data and flipping the slope to generate a vertically and horizontally flipped audio data block. The vertically and horizontally flipped audio data block is filtered using a glitch filter and crossfaded into the previous audio data block to produce output audio data that conceals the at least one missing block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.