Device, method and computer program for analyzing an audio signal
US7996212B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2005 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Nov 17, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L15/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A hardware device for analyzing an audio signal comprises a calculator for calculating a neural activity pattern over time resulting at nerve fibers of an ear model based on the audio signal and a processor for processing the neural activity pattern to obtain a sequence of time information as an analysis representation describing a temporal position of consecutive trajectories, wherein a trajectory includes activity impulses on different nerve fibers based on the same event in the audio signal. A two-dimensional representation of the neural activity pattern is gradually distorted over time, and it is recognized when an approximately straight line is contained in the distorted two-dimensional representation of the neural activity pattern over time. Accordingly, a time information belonging to the trajectory is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.