Automated loudspeaker detection and implementation of a specific loudspeaker equalization profile to improve loudspeaker audio output

Abstract

An audio distribution system and method is described herein that optimizes audio equalization settings based on a specific make and model of loudspeaker being used in an audio distribution system. The system and method comprises: generating a loudspeaker test signal; transmitting the loudspeaker test signal to a loudspeaker unit under test (LUUT); receiving an acoustic signal from the LUUT by a microphone located at a test location, the microphone generating an electrical loudspeaker test signal response (loudspeaker test signal response); converting the loudspeaker test signal response to a digitized loudspeaker test signal response; generating a spectral plot of the digitized loudspeaker test signal response for the LUUT; comparing the spectral plot of the LUUT to spectral plots of known loudspeakers, and matching the spectral plot of the LUUT to a spectral plot of a first make and model of a known loudspeaker; and obtaining a set of equalizer settings for the first make and model of the known loudspeaker.

What is claimed is: 
     
         1 . A method for optimizing audio equalization settings based on a specific make and model of loudspeaker being used in an audio distribution system, comprising:
 generating a loudspeaker test signal;   transmitting the loudspeaker test signal to a loudspeaker unit under test (LUUT);   receiving an acoustic signal from the LUUT by a microphone located at a test location, the microphone generating an electrical loudspeaker test signal response (loudspeaker test signal response);   converting the loudspeaker test signal response to a digitized loudspeaker test signal response;   generating a spectral plot of the digitized loudspeaker test signal response for the LUUT;   comparing the spectral plot of the LUUT to spectral plots of known loudspeakers, and matching the spectral plot of the LUUT to a spectral plot of a first make and model of a known loudspeaker; and   obtaining a set of equalizer settings for the first make and model of the known loudspeaker.   
     
     
         2 . The method according to  claim 1 , further comprising:
 transmitting the obtained set of equalizer settings for the first make and model of the known loudspeaker to an equalizer, wherein the equalizer is part of the audio distribution system; and   processing audio data received by the audio distribution system using the obtained set of equalizer settings.   
     
     
         3 . An audio distribution system, comprising:
 at least one processor;   a memory operatively connected with the at least one processor, wherein the memory stores computer-executable instructions that, when executed by the at least one processor, causes the at least one processor to execute a method that comprises:
 generating a loudspeaker test signal; 
 transmitting the loudspeaker test signal to a loudspeaker unit under test (LUUT); 
 receiving an acoustic signal from the LUUT by a microphone located at a test location, the microphone generating an electrical loudspeaker test signal response (loudspeaker test signal response); 
 converting the loudspeaker test signal response to a digitized loudspeaker test signal response; 
 generating a spectral plot of the digitized loudspeaker test signal response for the LUUT; 
 comparing the spectral plot of the LUUT to spectral plots of known loudspeakers, and matching the spectral plot of the LUUT to a spectral plot of a first make and model of a known loudspeaker; and 
 obtaining a set of equalizer settings for the first make and model of the known loudspeaker. 
   
     
     
         4 . The system according to  claim 3 , wherein the method further comprises:
 transmitting the obtained set of equalizer settings for the first make and model of the known loudspeaker to an equalizer, wherein the equalizer is part of the audio distribution system; and   processing audio data received by the audio distribution system using the obtained set of equalizer settings.