×

Automatic detection of loudspeaker characteristics

  • US 9,020,153 B2
  • Filed: 10/24/2012
  • Issued: 04/28/2015
  • Est. Priority Date: 10/24/2012
  • Status: Expired due to Fees
First Claim
Patent Images

1. A multimedia device, comprising:

  • a media interface for connecting to an audio output device via a communication path;

    an amplifier for driving the audio output device; and

    a processor, the processor configured to;

    retrieve in a first communication signal, via the communication path, an identifier of the audio output device;

    determine, based on the retrieved identifier, that the audio output device has not been previously connected to the multimedia device;

    request, in response to determining that the audio output device has not been previously connected, characteristic information from the audio output device; and

    receive, from a second communication signal actively sent by the audio output device and via the communication path, the requested characteristic information of the audio output device; and

    determine an output setting for the audio output device based on the characteristic information, wherein the communication path comprises speaker wire.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×