Technologies
Speech Enhancement
Telephony
VoIP & VoP
Packet loss concealment algorithms
Product description:
DIGITAL SPEECH offers Packet loss concealment algorithms for VoIP systems. These algorithm are intended for concealment of lost speech and audio packets in packets networks.
DIGITAL SPEECH offers two type of packet loss concealment algorithms
ITU-T G.711 Appendix I PLC
DIGITAL SPEECH proprietary PLC
ITU-T G.711 Appendix I PLC features
- for 10ms speech packets and sampling rate 8kHz corresponds to ITU-T G.711 Appendix I recommendation
- support 8kHz and 16kHz sampling rate
- support 10, 20, 30ms frames
- compatible with any vocoders
DIGITAL SPEECH proprietary PLC features
- support 8kHz and 16kHz sampling rate
- support arbitrary frame length
- compatible with any vocoders
- speech quality is better than for G.711 Appendix I PLC.
- can be used only with DIGITAL SPEECH Time Scale Modification algorithms (TSM)
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