Packet loss concealment (PLC) is a technique to mask the effects of packet loss in voice over IP (VoIP) communications. When the voice signal is sent as VoIP packets on an IP network, the packets may (and likely will) travel different routes. A packet therefore might arrive very late, might be corrupted, or simply might not arrive at all. One example case of the last situation could be, when a packet is rejected by a server which has a full buffer and cannot accept any more data. Other cases include network congestion resulting in significant delay. In a VoIP connection, error-control techniques such as automatic repeat request (ARQ) are not feasible and the receiver should be able to cope with packet loss. Packet loss concealment is the inclusion in a design of methodologies for accountin
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| - Packet Loss Concealment (de)
- Packet loss concealment (en)
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| - Als Packet Loss Concealment (zu Deutsch: Maskierung von Datenpaketverlust) werden Verfahren bezeichnet, die Verluste ganzer Datenpakete in einem digitalen Datenstrom überbrücken. Es wird in der digitalen Sprachübermittlung (z. B. bei der IP-Telefonie) verwendet. Einfache Verfahren ersetzen die verlorenen Daten durch Stille. Aufwendigere Verfahren halten den letzten übertragenen Ton oder versuchen den Ton zu interpolieren. Im Allgemeinen können Aussetzer mit einer Länge von bis zu 30 ms überbrückt werden, ohne dass dies der Empfänger wahrnimmt. (de)
- Packet loss concealment (PLC) is a technique to mask the effects of packet loss in voice over IP (VoIP) communications. When the voice signal is sent as VoIP packets on an IP network, the packets may (and likely will) travel different routes. A packet therefore might arrive very late, might be corrupted, or simply might not arrive at all. One example case of the last situation could be, when a packet is rejected by a server which has a full buffer and cannot accept any more data. Other cases include network congestion resulting in significant delay. In a VoIP connection, error-control techniques such as automatic repeat request (ARQ) are not feasible and the receiver should be able to cope with packet loss. Packet loss concealment is the inclusion in a design of methodologies for accountin (en)
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| - Als Packet Loss Concealment (zu Deutsch: Maskierung von Datenpaketverlust) werden Verfahren bezeichnet, die Verluste ganzer Datenpakete in einem digitalen Datenstrom überbrücken. Es wird in der digitalen Sprachübermittlung (z. B. bei der IP-Telefonie) verwendet. Einfache Verfahren ersetzen die verlorenen Daten durch Stille. Aufwendigere Verfahren halten den letzten übertragenen Ton oder versuchen den Ton zu interpolieren. Im Allgemeinen können Aussetzer mit einer Länge von bis zu 30 ms überbrückt werden, ohne dass dies der Empfänger wahrnimmt. (de)
- Packet loss concealment (PLC) is a technique to mask the effects of packet loss in voice over IP (VoIP) communications. When the voice signal is sent as VoIP packets on an IP network, the packets may (and likely will) travel different routes. A packet therefore might arrive very late, might be corrupted, or simply might not arrive at all. One example case of the last situation could be, when a packet is rejected by a server which has a full buffer and cannot accept any more data. Other cases include network congestion resulting in significant delay. In a VoIP connection, error-control techniques such as automatic repeat request (ARQ) are not feasible and the receiver should be able to cope with packet loss. Packet loss concealment is the inclusion in a design of methodologies for accounting for and compensating for the loss of voice packets. (en)
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