A method for generating speech packets and a communication apparatus implementing the method and functioning as a first node of a communication system. A first stream of digital speech samples having a first sample rate is provided (201). If the first sample rate is determined (202) as not matching a...http://www.google.com.hk/patents/US7444281?utm_source=gb-gplus-share專利 US7444281 - Method and communication apparatus generation packets after sample rate conversion of speech stream
