Measurement of round-trip delay over a network

Details Measurement of round-trip delay over a network Measurement of round-trip delay over a network

2011-03-29

2011-03-29

Ferris, Derrick W (Department: 2463)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S352000

Reexamination Certificate

active

07916653

ABSTRACT:
In one embodiment, a first audio waveform is produced at a first side of a network connection and then encoded and sent by a first endpoint device to a second endpoint device at a second side of the network connection. A second audio waveform is then detected after being played out by the first endpoint device, the second audio waveform having been produced at the second side of the network connection in response to the second endpoint device playing out the first audio waveform. A round-trip delay is then calculating based on a time period measured from output of the first audio waveform to detection of the second audio waveform. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.

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