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Audio playback system monitoring

  • US 9,602,940 B2
  • Filed: 09/30/2016
  • Issued: 03/21/2017
  • Est. Priority Date: 07/01/2011
  • Status: Active Grant
First Claim
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1. A method for monitoring audience reaction to an audiovisual program played back by a playback system including a set of M speakers in a playback environment, where M is a positive integer, wherein the program has a soundtrack comprising M channels, said method including steps of:

  • (a) playing back the audiovisual program in the presence of an audience in the playback environment, including by emitting sound, determined by the program, from the speakers of the playback system in response to driving each of the speakers with a speaker feed for a different one of the channels of the soundtrack;

    (b) obtaining audio data indicative of at least one microphone signal generated by at least microphone in the playback environment during emission of the sound in step (a); and

    (c) processing the audio data to extract audience data from said audio data, and analyzing the audience data to determine audience reaction to the program, wherein the audience data are indicative of audience content indicated by the microphone signal, and the audience content comprises sound produced by the audience during playback of the program.

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