• This study will take appromixately 25 minutes. It should be accomplished in one sitting: all data will be submited only upon completion.
  • Please do not refresh the page or use the forward/back buttons before finishing the study.
  • Please do not use laptop speaker. Use a headphone if possible, otherwise, a earphone is also acceptable.


In each of the following pages:
  1. Listen to the sound.
  2. Press the button to hear it again, as many times as you like.
  3. As soon as you are able, click on the label that best corresponds to the sound.
  4. Press the "Next" button.
  • You will be timed, so please do not take a break.