Speech recognition using speech characteristic probabilities
US-9202470-B2 · Dec 1, 2015 · US
Hearing aid with histogram based sound environment classification
US8948428B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8948428-B2 |
| Application number | US-44021307-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 4, 2007 |
| Priority date | Sep 5, 2006 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A hearing aid includes a microphone and an A/D converter for provision of a digital input signal in response to a sound signal received at the microphone in a sound environment, a processor that is configured to process the digital input signal in accordance with a signal processing algorithm to generate a processed output signal, a sound environment detector for determination of the sound environment based at least in part on the digital input signal, and for providing an output for selection of the signal processing algorithm, the sound environment detector including (1) a feature extractor for determination of histogram values of the digital input signal in a plurality of frequency bands, (2) an environment classifier configured for classifying the sound environment into a number of environmental classes based at least in part on the determined histogram values from at least two of the plurality of frequency bands, and (3) a parameter map for the provision of the output for the selection of the signal processing algorithm, and a D/A converter and an output transducer for conversion of the processed output signal to an acoustic output signal.
First claim
Opening claim text (preview).
The invention claimed is: 1. A hearing aid comprising: a microphone and an A/D converter for provision of a digital input signal in response to a sound signal received at the microphone in a sound environment; a processor that is configured to process the digital input signal in accordance with a signal processing algorithm to generate a processed output signal; a D/A converter and an output transducer for conversion of the processed output signal to an acoustic output signal;…
Assignees
Inventors
Classifications
- G10L25/00Primary
Physics · mapped topic
Physics · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8948428B2 cover?
- A hearing aid includes a microphone and an A/D converter for provision of a digital input signal in response to a sound signal received at the microphone in a sound environment, a processor that is configured to process the digital input signal in accordance with a signal processing algorithm to generate a processed output signal, a sound environment detector for determination of the sound envi…
- Who is the assignee on this patent?
- Kates James Mitchell, Gn Resound As
- What technology area does this patent fall under?
- Primary CPC classification G10L25/00. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).