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Patent

Error hidden frame reconstruction method based on overlap change compression coding

Xiaojun Jia, +2 more
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TLDR
In this paper, the authors presented a method for extracting time-domain transient characteristics in signal subband interior, and extracting interframe spectrum related characteristics, utilizing timedomain transient state and inter-frame spectrum-related value to divide error frame into two stages according to the state, it contains 10 states.
Abstract: 
The present invention belongs to the field of voice-frequency signal processing technology, it is characterized by that it successively contains the following steps: extracting time-domain transient characteristics in signal subband interior, and extracting interframe spectrum related characteristics; utilizing time-domain transient state and interframe spectrum related value to divide error frame into two stages according to the state, it contains 10 states; according to different error frame state selecting interpolation method to generate frequency spectrum coefficient and frequency domainphase of error frame, calculating time-domain signal and front and rear edge smoothing treatment.

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Patent

Frame error concealment method and apparatus, and audio decoding method and apparatus

Ho-Sang Sung, +1 more
TL;DR: In this article, a frame error concealment (FEC) method was proposed for decoding time domain signals generated after time-frequency inverse transform processing, where the current frame is an error frame or a normal frame when the previous frame is a error frame.
Patent

Encoder, decoder and method for encoding and decoding audio content using parameters for enhancing a concealment

Jérémie Lecomte, +3 more
TL;DR: In this article, an encoder for coding speech-like content and/or general audio content, where the encoder is configured to embed, at least in some frames, parameters in a bitstream, which parameters enhance a concealment in case an original frame is lost, corrupted or delayed, is presented.
Patent

Method and apparatus for concealing frame error and method and apparatus for audio decoding

Ho-Sang Sung, +1 more
TL;DR: In this article, the authors proposed a frame error concealment (FEC) method based on selecting an FEC mode based on states of a current frame and a previous frame of the current frame in a time domain signal generated after time-frequency inverse transform processing.
Patent

Optimal processing method for transmitting and receiving real-time video data

Ning Xu, +4 more
TL;DR: In this paper, an optimal processing method for transmitting and receiving real-time video data is proposed, which can reduce the situations of packet loss, lag, unstable speed and the like on a network with insufficient bandwidth or an unstable network.
Patent

Apparatus and method for improved concealment of the adaptive codebook in a celp-like concealment employing improved pulse resynchronization

Jeremie Lecomte, +4 more
TL;DR: In this paper, an apparatus for reconstructing a frame including a speech signal as a reconstructed frame is provided, the apparatus including a determination unit and a frame reconstructor being configured to reconstruct the reconstructed frame.