360 Systems MAXX Operation Manual

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360 Systems MAXX Operation Manual Manual pdf 54 page image

52 Embedded AudioFTP File TransfersFor standard FTP transfers, the Image Server will recognize the following file formats:TARGA (.tga)During transfer, the Image Server will split the TARGA file into a Fill frame and a Key (alpha)frame. These two frames will each be converted to MPEG-2 files, one frame in length.See “Importing TARGA Graphic Files” (above) and “Key/Fill Mode” (below) for additionalinformation.DV Stream (.dv)These are ‘elementary’ DV files containing a single stream of multiplexed audio and video.The Image Server will recognize and maintain .dv extensions on DV stream files, allowingtransfer of .dv files between Image Servers and graphics workstations without modification.Only 16-bit audio at 48K locked to video is supported.AVI Files (.avi)An AVI file is a container that encapsulates and describes a type of interleaved audio andvideo. The Image Server will import Type 1 .avi files (a single stream of multiplexed audio andvideo) containing DV format video and 48K locked uncompressed 16 bit audio. During ingestof .avi files, the server will convert the file into a DV stream (.dv) for storage and future transfer.MPEG-2 (.mp2, mpg, mpeg, m2v)The Image Server will ingest valid MPEG-2 program stream files. The server’s ingestapplication will recognize a program stream that encapsulates a single MPEG-2 video stream,and up to 2 stereo pairs of 16- or 24-bit, 48kHz MPEG2 encoded audio. 16-bit or 20-bit audiofiles will be written into a 24-bit space.MXF - Material Exchange Format (.mxf)Transfer of MXF files between compatible products is the preferred method of MPEG-2 fileexchange between Image Servers and also archival storage to be returned to the Image Server.360 Systems supports ingest and playout of MPEG-2 files based on SMPTE 377M, 378M andSMPTE 381M, Operational Patterns 1a and 1b can be received. The ImageServer exportsOperational Pattern 1a files.Key/Fill ModeWhen the “Gang to Ch2” box is selected in the Channel 3 transport control window, apair of key and fill channels will be ganged and played together. Transport operations onChannel 2 will control both Channel 2 and Channel 3. This allows the server to play locked,frame-accurate key and fill material (either stills or clips) on Channels 2 and 3. Only a singlechannel of an automation controller is needed to play both the key and the fill.