发明名称 Apparatus and method for unified tone detection
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.
申请公布号 US6748059(B2) 申请公布日期 2004.06.08
申请号 US20020117021 申请日期 2002.04.05
申请人 AVAYA TECHNOLOGY CORP. 发明人 DAS SHARMISTHA SARKAR;MARWAH MANISH
分类号 H04M3/22;H04Q1/457;(IPC1-7):H04M11/00 主分类号 H04M3/22
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