Packet loss concealment in an audio decoder
AssigneeCisco Technology, Inc.
InventorsAmir Salah Abdelsamie Abdelwahed, Yusuf Ziya Isik, Xuehong Mao, Samir Ouelha, Samer Lutfi Hijazi
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AssigneeCisco Technology, Inc.
InventorsAmir Salah Abdelsamie Abdelwahed, Yusuf Ziya Isik, Xuehong Mao, Samir Ouelha, Samer Lutfi Hijazi
Estimating the term…
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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