Patent · US Active

Ambient volume control in open audio device

US11295718B2 · kind B2 · utility

2Cited by
18References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 2, 2018
Grant dateApr 5, 2022
Priority date
Expiry dateNov 25, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2460/09
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Methods and apparatus are provided for automatically adjusting, by an audio device, the SPL of its audio output. As described herein, the SPL is adjusted based on detected ambient noise. According to aspects, audio device iteratively adjusts the SPL based on the ambient noise. According to aspects, the SPL is adjusted to be greater than the ambient noise by a threshold SPL amount. According to aspects, the audio device outputs sound in substantially a first direction and the microphone detects sound substantially outside of the first direction. The adjusted sounds are output by the audio device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.