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Sökning: L773:0769519962

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1.
  • Berling, Tomas, et al. (författare)
  • A Case Study Investigating the Characteristics of Verification and Validation Activities in the Software Development Process
  • 2003
  • Ingår i: Proceedings. 29th Euromicro Conference, 2003.. - 1089-6503. - 0769519962 ; , s. 405-408
  • Konferensbidrag (refereegranskat)abstract
    • System verification and validation are important activitiesin the software development process aiming at testing thesoftware system in various quality aspects.The purpose of this study is to investigate theimportant characteristics of the verification andvalidation activities in the software development processin an organization. A qualitative research method isemployed in order to facilitate the assessment andunderstanding of a testing key area regarding thesoftware development process. The methodology andresults could act as input to other organizations, whichare likely to have other important characteristics than theones included in this study.The main characteristics were identified in theanalysis and it was concluded that the results couldfacilitate further process improvements in theorganization.
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2.
  • Hagsand, Olof, et al. (författare)
  • Sicsophone : A low-delay Internet telephony tool
  • 2003
  • Ingår i: PROCEEDINGS OF THE 29TH EUROMICRO CONFERENCE - NEW WAVES IN SYSTEM ARCHITECTURE. - Belek, Turkey : IEEE. - 0769519962 ; , s. 189-195
  • Konferensbidrag (refereegranskat)abstract
    • The end to end delay is a critical factor in the perceived quality of service for Voice over IP applications. Sicsophone is a complete VoIP system that couples the low level features of audio hardware with a standard jitter buffer playout algorithm. Using, the sound card directly eliminates intermediate buffering as well as providing fine control over timers needed by a soft real-time application such as VoIP A statistical based approach for inserting packets into audio buffers is used in conjunction with a scheme for inhibiting unnecessary fluctuations in the system. We also present mouth-to-ear delay measurements for selected VoIP applications and show that several hundreds of milliseconds can be saved by using the techniques described in this paper A prototype for both UNIX and Windows platforms has been implemented, demonstrating that our system adapts to network: conditions whilst maintaining low delays.
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  • Resultat 1-2 av 2
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konferensbidrag (2)
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refereegranskat (2)
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Hanson, K. (1)
Marsh, Ian (1)
Hagsand, Olof (1)
Höst, Martin (1)
Berling, Tomas (1)
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2003 (2)

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