Analog-to-digital converter (ADC) dynamic range enhancement for voice-activated systems
US9799349B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2015 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Apr 24, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/60
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The dynamic range and power efficiency of a voice-activated system may be improved by dynamically adjusting the configuration of the voice-activated system's input path. In one embodiment, a first portion of audio may be received through an input path of the voice-activated system having a first configuration. A characteristic of the first portion of audio may be determined and the input path may be adjusted to a second configuration based on the determined characteristic. A second portion of audio may then be received through the input path having the second configuration, and speech analysis may be performed on the second portion of audio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.