Method and apparatus for transmitting voice over internet
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United States of America Patent
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Apr 20, 2004
Grant Date -
Jan 23, 2003
app pub date -
Jul 19, 2001
filing date -
Jul 19, 2001
priority date (Note) -
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Abstract
A method for transmitting speech of a first person communicating with a second person via a packet switched network comprising: generating a stream of samples of the first person's speech during the communication; parsing the sample stream into audio frames; determining which audio frames correspond to periods when the first person is speaking and which correspond to periods when the first person is silent; transmitting audio frames corresponding to silent periods and speaking periods of the first person's speech; and transmitting at least some of the audio frames corresponding to speaking periods, but none of the audio frames corresponding to silent periods, at least twice.
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