CSIRO Film Collection: videos 103 - 192 - compressed versions

CSIRO produced its first film in 1946. It was a two-hour, five-part epic in black and white designed for a specialist audience of Commonwealth scientists meeting in London. It showed them - in the most graphic way possible at the time - the nature and extent of the research facilities of an organisation embarking on the problems of post-war reconstruction.\n\nWithin a few years, a permanent film unit was established and began to specialise in producing films for the specific audiences on particular areas of research.\n\nBy the 1960's, it became apparent that many of the films were of interest to a much wider audience. Schools, colleges and universities were beginning to introduce the audio-visual medium to the learning process and CSIRO films were in increasing demand. Makers of television programmes looked to CSIRO films for images of science not yet accessible to the public eye.\n\nLineage: These files are compressed video in a MP4 container (.mp4). For archival quality video, look for the uncompressed versions in "Related Links". While some files may differ, generally this collection has the following attributes. Video codec: H264 - MPEG-4 AVC (part 10) (acv1). Video resolution: 720x576. Frame rate: 25. Decoded format: Planar 4:2:0 YUV. Audio codec: MPEG AAC Audio (mp4a). Audio sample rate: 44100 Hz. Bits per sample: 32. AAC Extension: SBR

澳大利亚联邦科学与工业研究组织（CSIRO）于1946年推出首部影视纪录作品。该片为黑白史诗级影片，全长两小时，分为五个篇章，面向在伦敦参会的英联邦科学家这一专业受众制作。影片以当时最为直观的影像形式，展示了这家正投身战后重建科研工作的机构的研究设施全貌与覆盖范围。

数年后，该机构设立了常设影视制作部门，并开始专注于针对特定研究领域的目标受众制作专属影片。

到20世纪60年代，越来越广泛的受众群体开始对这些影片产生兴趣。当时中小学、学院与高校正逐步将视听媒介引入教学流程，对CSIRO影片的需求与日俱增。电视节目制作人也将CSIRO影片视作获取公众尚未接触过的科学影像的重要来源。

文件溯源：本数据集的文件为封装于MP4容器（MP4 container）内的压缩视频。如需获取存档级画质的视频，请前往“相关链接”下载未压缩版本。尽管部分文件存在差异，但本数据集整体具备以下通用属性：视频编码格式为H264 - MPEG-4 AVC（第10部分，acv1）；视频分辨率为720×576；帧率为25帧/秒；解码格式为平面4:2:0 YUV；音频编码格式为MPEG AAC音频（mp4a）；音频采样率为44100Hz；采样位深为32位；AAC扩展特性为SBR