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Filtered Speech Experiment

This is the first 1,000 characters of 311 words (1.24 pages) in the essay titled Filtered Speech Experiment

Filtered Speech Experiment

Filtered Speech Experiment
Purpose
The purpose of the filtered speech experiment was to look for three things. The first was to see/hear which frequencies can be eliminated from speech signal and conversely which frequencies can not in order to understand speech. The second purpose was to learn more about sound filters; and the third was to understand what it is like to experience hearing loss.
Instrumentation
The instruments we used during this experiment were:
1) Low pass filter of the Coulbourn insrument
2) Tape recorder
3) Tape of two syllable words
4) Speaker (non-human)
Methodology
The experimenter selected an initial cut-off frequency of 1000 Hz on the low pass filter, and then reduced the frequency by 1000 Hz increments. Below 1000 Hz the frequency was cut in half. (500, 250) We were asked to note the clarity of the signal at each cut off and the changes that occurred. Two words were presented at each level and we were asked to evaluate clarity. The ...

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