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In digital transmission of speech and audio signals, lost or corrupted frames and packets can severely degrade audio quality at the receiver. A special technique known as Packet Loss Concealment (PLC) is used to compensate for these quality-robbing effects. This white paper introduces the PLC technologies developed by Broadcom for applications such as Voice over Internet Protocol (VoIP), DECT cordless phones, and Bluetooth communication. These advanced techniques provide dramatic improvements to audio quality under packet-loss conditions.
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