Methods for generating comfort noise during discontinuous transmission
作者： Jani Rotola-Pukkila , Pekka Kapanen , Vesa Ruoppila , Kari Jarvinen
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摘要: An improved method for generating comfort noise (CN) in a mobile terminal operating discontinuous transmission (DTX) mode. In one embodiment the invention provides an generation, which random excitation is modified by spectral control filter so that frequency content of and background become similar. another transmitter identifies speech coding parameters are not representative actual noise, replaces identified with having median value. this manner non-representative do skew result averaging operation.
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