The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2002
Filed:
Oct. 23, 1997
Forrest Seitz, Beaverton, OR (US);
Stan Sasaki, Lake Oswego, OR (US);
Cardio Theater, Hillsboro, OR (US);
Abstract
A receiver in an audio distribution system provides graceful degradation of audio quality as transmission quality decreases by dynamically adjusting the volume of audio output as a function of transmission quality. The receiver estimates the rate of transmission errors in a transmission link on which the audio signal is distributed by detecting errors in known information embedded in the audio signal. As the rate of transmission errors increases, the receiver increasingly attenuates the volume of the audio output. The receiver dynamically adjusts the volume relative to the rate of transmission errors applying a smoothing function to avoid disruptive rapid fluctuations in audio output volume.