Low latency active noise cancellation system
US8848935B1 · kind B1 · utility
18Cited by
2References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 19, 2010 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Oct 31, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/01
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Systems and methods described herein provide for low latency active noise cancellation which alleviate the problems associated with analog filter circuitry. The present technology utilizes low latency digital signal processing techniques which overcome the high latency conventionally associated with conversion between the analog and digital domains. As a result, low latency active noise cancellation is performed utilizing digital filter circuitry which is not subject to the inaccuracies and drift of analog filter components. In doing so, the present technology provides robust, high quality active noise cancellation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.