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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Liu, Fang Kim, JongWon Kuo, C.-C. Jay |
| Copyright Year | 2002 |
| Description | Author affiliation: Integrated Media Systems Center and Department of Electrical Engineering, University of Southern California, Los Angeles, 90089-2564, USA (Liu, Fang; Kuo, C.-C. Jay) || Department of Information & Communication, K-JIST (Kwang-Ju Institute of Science & Technology), GwangJu, 500-712, KOREA (Kim, JongWon) |
| Abstract | Packet delay and loss are two essential problems to real-time voice transmission over the Internet. Some effort has been involved in packet-level delay jitter concealment and error control. To minimize the impact of packet delay jitter dropping at the receiver, a packet-based Synchronized OverLap-and-Add (SOLA) algorithm was proposed in [3] to play out packets adaptively. By employing the forward error correction (FEC) for network loss recovery, this paper further extends the applicability of audio time-scale modification to an integrated delay/error concealment Performance improvement of the proposed adaptive playout is provided by comparing with the silenced-based, FEC-integrated adaptive playout. Overhead of the proposed concealment is discussed in terms of delay and complexity. We also investigate the impact of stretching-ratio transition on the perceived quality. |
| File Size | 1620813 |
| File Format | |
| ISBN | 0780374029 |
| ISSN | 15206149 |
| DOI | 10.1109/ICASSP.2002.5745207 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-05-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Forward error correction Propagation losses Delay Internet Bandwidth Decoding Gold |
| Content Type | Text |
| Resource Type | Article |
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