摘要 |
Performing tone detection by (1) creating a search engine for every period of all possible tones, (2) applying the search engines on one period of the unknown tone, (3) eliminating the search engines that did not match the period of the unknown tone, (4) reapplying the remaining search engines, and (5) repeating (3) and (4) until the unknown tone can be identified as one of the possible tones based on the remaining search engines.
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