Cisco Technology, Inc. (20250131933). PACKET LOSS CONCEALMENT IN AN AUDIO DECODER
PACKET LOSS CONCEALMENT IN AN AUDIO DECODER
Organization Name
Inventor(s)
Amir Salah Abdelsamie Abdelwahed of Edinburgh GB
Yusuf Ziya Isik of Edinburgh GB
Samer Lutfi Hijazi of San Jose CA US
PACKET LOSS CONCEALMENT IN AN AUDIO DECODER
This abstract first appeared for US patent application 20250131933 titled 'PACKET LOSS CONCEALMENT IN AN AUDIO DECODER
Original Abstract Submitted
a method of performing packet loss concealment in a neural audio encoder/decoder (codec) system. the method includes receiving an indication of a lost audio packet at a receive side of a neural network audio codec system that includes an audio encoder and an audio decoder, wherein the lost audio packet comprises an index of a codeword that is representative of a portion of speech audio presented to the audio encoder, predicting the index of the codeword in the lost packet to obtain a predicted index, deriving a predicted embedding vector from the predicted index, and decoding, by the audio decoder, the embedding vector to generate an audio output.
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