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Potential savings due to Header Compression. Center for TeleInFrastructure 2 Potential Savings for Voice/Audio Services  Four example voice/audio codecs.

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Presentation on theme: "Potential savings due to Header Compression. Center for TeleInFrastructure 2 Potential Savings for Voice/Audio Services  Four example voice/audio codecs."— Presentation transcript:

1 Potential savings due to Header Compression

2 Center for TeleInFrastructure 2 Potential Savings for Voice/Audio Services  Four example voice/audio codecs  LPC  GSM  G.711  AMR  These values does not depend on the content (no silent detection)

3 Center for TeleInFrastructure 3 Voice mean bitrateIPv4 savings IPv6 savings codec[kbps][%] LPC5.67481 GSM13.25565 G.71160.02129

4 Center for TeleInFrastructure 4 Voice AMR mean bitrateIPv4 savings IPv6 savings codec[kbps][%] AMR Mode 75.67481 AMR13.25565 AMR60.02129

5 Center for TeleInFrastructure 5 Potential Savings for Video Services  H.26L video coder  These values does depend on the video content as well as the codec settings  Different video sequences  Different video quality  QCIF video format

6 Center for TeleInFrastructure 6 Frame Size Trace For Star Wars II  Star Wars II  CD 1  955 kbit/s  Star Wars II  CD 2  880 kbit/s

7 Center for TeleInFrastructure 7 Video Format/Quality  QP values 1, 31, 51 QP 1 QP 31 QP 51

8 Center for TeleInFrastructure 8 Investigated Video Sequences P. Seeling and M. Reisslein and F.H.P. Fitzek and S. Hendrata. Video Quality Evaluation for Wireless Transmisison with Robust Header Compression. 2003.

9 Center for TeleInFrastructure 9 Potential IP Header Savings For Video P. Seeling and M. Reisslein and F.H.P. Fitzek and S. Hendrata. Video Quality Evaluation for Wireless Transmisison with Robust Header Compression. 2003.

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