File:Iceberg calving 320x240 by Slaunger 2007-08-23.ogv
Iceberg_calving_320x240_by_Slaunger_2007-08-23.ogv (Ogg Theora video file, length 1 min 22 s, 320 × 240 pixels, 357 kbps, file size: 3.49 MB)
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Summary[edit]
| Description |
Dansk: En videosekvens af et stort kælvende Isbjerg i Ilulissat i Grønland. Støjen fra et kælvende isbjerg blev først hørt og vi fik lidt efter øje på et stort isbjerg, som meget langsomt var begyndt at tippe. Kameraet blev fundet frem og efter lidt febrislk indstilling kunne denne sekvens optages. En turbåd var tæt på isbjerget da det begyndte at vippe rundt - den sejlede væk i fuld fart, men fik sig noget af en ridetur og en forskrækkelse vil jeg tro. Efterhånden som isbjerget tipper rundt falder andre store stykker is af som giver nogle voldsomme plask og sprøjt samt bølgedannelse.
Videoen er genereret med kommandolinieværktøjet ffmpeg2theora.exe ver. 0.24 for Windows. Theora videosekvensen er et uddrag af en noget længere sekvens i avi format taget i filmmode med et Canon IXUS 800 IS kompactkamera - et par sekunder med flaksende bevægelser i starten af sekvensen er skået væk, og en længere sekvens til sidst hvor der ikke sker meget er heller ikke taget med. Lyden på originaloptagelsen er domineret af vindstøj (mikrofonen på IXUSen er ringe) og udråb af wow fra min vandremakker og jeg. Man kan ikke høre selve kælvingen på optagelsen, og jeg har derfor helt fjernet lyden fra den konverterede video idet jeg synes den distraherer mere end den gavner.English: A video showing the calving of a large Iceberg in Ilulissat Icefjord, Greenland. The noise of a calving iceberg was initially heard while going for a walk along the fiord. After orienting around, movement in one of the icebergs was seen. Apparently a large lump had broken off the iceberg, which had then made it statically unstable, so it started turning. A tour boat barely visible was close to the iceberg and immediately turned and sailed away at full speed. As the iceberg turned, further large lumps calved off it resulting in large splashes and waves.
The video has been generated using the commandline tool ffmpeg2theora.exe ver. 0.24 for Windows. The theora video is a cut of a somewhat longer original avi file taken in film mode on a Canon IXUS 800 IS compact camera - a few seconds of very unsteady movement has been eliminated in the beginning, and a larger section in the end where nothing much is happening has been cut away as well. The sound on the original recording is mainly noise from wind and some expressions of "wow" from my companion and I. There are no sounds of the lumps of ice hitting the water apparent in the audio. This the ogg file is without audio, as the original audio is distracting. |
| Date | |
| Source | Own work |
| Author | Kim Hansen |
| Other versions |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:06, 22 August 2009 | 1 min 22 s, 320 × 240 (3.49 MB) | Slaunger (talk | contribs) | == Summary == {{Information |Description= {{da|En videosekvens af et stort kælvende Isbjerg i Ilulissat i Grønland. Støjen fra et kælvende isbjerg blev først hørt og vi fik lidt efter øje |
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