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Տվյալների հաղորդման արագություն /// Data transfer rate 2011

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720 MB ֆայլը Wi-Fi ով լապտոպից NAS — 4.31 /րոպ.վրկ/

720 MB ֆայլը Wi-Fi ով լապտոպից PC — 4.39

720 MB ֆայլը Cat 5 ով լապտոպից NAS — 1.36

փաստորոն  Cat 5  — ը  3 անգամ արագ է Wi-Fi ից:

Related info

Audio

MP3

  • 32 kbit/s
  • 96 kbit/s
  • 100–160 kbit/s – Standard Bitrate quality; difference can sometimes be obvious (e.g. lack of low frequency quality and high frequency “swashy” effect)
  • 192 kbits/s is the highest level supported by most MP3 encoders when ripping from a Compact Disc.
  • 224–320 kbit/s – VBR to highest MP3 quality.

Other audio

Video

  • 16 kbit/s – videophone quality (minimum necessary for a consumer-acceptable “talking head” picture using various video compression schemes)
  • 128 – 384 kbit/s – business-oriented videoconferencing quality using video compression
  • 1.15 Mbit/s max – VCD quality (using MPEG1 compression)
  • 3.5 Mbit/s typ — Standard-definition television quality (with bit-rate reduction from MPEG-2 compression)
  • 9.8 Mbit/s max – DVD (using MPEG2 compression)
  • 8 to 15 Mbit/s typ – HDTV quality (with bit-rate reduction from MPEG-4 AVC compression)
  • 19 Mbit/s approximate — HDV 720p (using MPEG2 compression)
  • 24 Mbit/s max — AVCHD (using MPEG4 AVC compression)
  • 25 Mbit/s approximate — HDV 1080i (using MPEG2 compression)
  • 29.4 Mbit/s max – HD DVD
  • 40 Mbit/s max – Blu-ray Disc (using MPEG2AVC or VC-1 compression)

Written by vishap

Օգոստոսի 23, 2011 at 17:49

Posted in home network, վիդեո

Tagged with , ,

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