| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To detect the default of a packet of audio data in a Bluetooth (R) module, and to correct its failed part. <P>SOLUTION: Upon receiving packets of the audio data from an SCO 15, a signal correction circuit portion 20 detects a failed packet contained in the received packets while storing the received packet data in a memory provided in its own circuit portion 20, a baseband IC 14, or the SCO 15. If there is a failed packet in the received packets, the circuit portion 20 determines the correlation at the data in the packets received before and after the failed packet, the data in two of the packets received before and after the failed packet, and the data in two of the packets received before the failed packet with one packet therebetween to obtain packet data having a similarity to the data in the packets received before and after the failed packet; interpolates the packet data between the obtained two-packet data as data in the failed packet; and outputs the data to a codec IC 12. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
