Difference between revisions of "Asterisk DSP"

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(update and cleanup)
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This project will focus on improvement of the goertzel algorithm in asterisk's dsp.c.  This won't be an improvement to the algorithms themselves, but more to the frequencies detectable by the code.  It is currently limited to detecting US tones only which limits call progress severely.  The ultimate goal of this project is to get the code submitted and into trunk so that it can go into the next major release of Asterisk.
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==Status==
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I have looked at code to find the places where changes would be necessary.  This is another project that is near the bottom of the list because A) it's a trivial change and B) it doesn't directly relate to any of my current projects.
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==Details==
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This project will focus on improvement of the goertzel algorithm in asterisk's dsp.c.  This won't be an improvement to the algorithms themselves, but more to the frequencies detectable by the code.  It is currently detects US tones only which limits call progress severely.  The ultimate goal of this project is to get the code submitted and into trunk so that it can go into the next major release of Asterisk.
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==History==
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This project stemmed from the time I spent in tech support at Digium.  Foreign customers always complained that call progress detection was either unavailable for them, or buggy.

Revision as of 00:18, 26 February 2007

Status

I have looked at code to find the places where changes would be necessary. This is another project that is near the bottom of the list because A) it's a trivial change and B) it doesn't directly relate to any of my current projects.

Details

This project will focus on improvement of the goertzel algorithm in asterisk's dsp.c. This won't be an improvement to the algorithms themselves, but more to the frequencies detectable by the code. It is currently detects US tones only which limits call progress severely. The ultimate goal of this project is to get the code submitted and into trunk so that it can go into the next major release of Asterisk.

History

This project stemmed from the time I spent in tech support at Digium. Foreign customers always complained that call progress detection was either unavailable for them, or buggy.