Express DSP compliant C55x DTMF detector software is proposed in two versions: one with a 5 ms frame
size and one with a 10 ms frame size. The versions are quite similar in behavior. The version with a 10 ms
frame size is faster, but the overall quality is higher in the 5 ms version, due to lower time granularity. DTMF算法for TI DSP 54X/55X
Linux Server Hacks, Volume Two
By Brian K. Jones, William von Hagen
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Publisher: O Reilly
Pub Date: December 2005
Print ISBN-10: 0-596-10082-5
Print ISBN-13: 978-0-59-610082-7
Pages: 478
