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System and method of audio testing of acoustic devices

  • US 20050013444A1
  • Filed: 11/25/2003
  • Published: 01/20/2005
  • Est. Priority Date: 11/29/2002
  • Status: Active Grant
First Claim
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1. A method of testing the audio performance of an acoustic device, the acoustic device comprising a device microphone and an auxiliary output device coupled to receive electric signals from the device microphone, the method comprising steps of:

  • (a) producing an electric audio signal;

    (b) providing the electric audio signal as an input to an external speaker and outputting an acoustic audio signal representation thereof;

    (c) providing the acoustic audio signal outputted from the external speaker as an input to the device microphone and outputting a further electric audio signal representation thereof;

    (d) routing the further electric audio signal from the device microphone to the auxiliary output device and outputting it therefrom; and

    (e) analyzing the further electric audio signal outputted from the auxiliary output device.

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