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== Tests == | == Tests == | ||
I wrote a PD patch to test the distortion of the spectrum and the delay depending on the chosen codec and the settings for the input signal - you can download it here : [[Media:Test_communication_quality.pd]] (it might be useful for other communication software as well). To make use of it you need a audio routing software (jack or soundflower) and route the output of your communication software to the 3rd inlet of PD and the inlet of your communication software to the 3rd outlet of PD. | I wrote a PD patch to test the distortion of the spectrum and the delay depending on the chosen codec and the settings for the input signal - you can download it here : [[Media:Test_communication_quality.pd]] (it might be useful for other communication software as well). To make use of it you need a audio routing software (jack or soundflower) and route the output of your communication software to the 3rd inlet of PD and the inlet of your communication software to the 3rd outlet of PD. The patch offers to functions: spectrum analysis and delay analysis. | ||
As Jack and me have not found any time to work together I did the research for my own. So I have chosen a Teamspeak Server in California (to simulate the delay) and connected to it with two clients. In Jack I routed the output of the first client to the input of PD and the output of PD to the input of the second client (as described above). | |||
These are the results of the spectrum and delay analysis: |
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