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AVID systems for TV programs post production in DV format The anniversary will be soon — 10 years from the DV25 format appearance. After the expiration of those years of its active supply it is possible to assert, that relatively inexpensive digital DV25 format has shown the qualities, allowing to compare it with basic and expensive professional format of previous generation, Betacam SP. It is possible to predict, that this successful format in the nearest some years will be used in household sphere of operation with content and in professional TV production. Avid Technology Company offers the equipment line for any format including DV25 which will help to professionals of TV production to ensure releasing of qualitative production in growing volumes at the nearest years. Shortly about Avid Technology: this company in 1989 was the first which has developed and began the sale of computer nonlinear editing system Avid Media Composer. Uniqueness of modern editing systems Avid consists that the interface of these systems was composed in close cooperation with professionals of the largest world manufacturers of TV, cinema and other audiovisual production — the Hollywood cinema companies and the American TV companies. Elements of this interface are patented, constantly improved, developed and remained by many parameters unsurpassed till now. Many years of the Avid equipment exploitation at realization of the most important projects (the financial assets spent on production even of middling film of Hollywood are known to everybody) have shown high reliability of these systems functioning. Avid Company has the large divisions engaged in audio equipment (Digidesign), software and the equipment for creation of complex effects and three-dimensional graphics (Softimage). Since 1999 Avid was the first company which have began the production of network complexes Avid Unity MediaNetwork for production of cinema and TV equipment, allowing to large set of nonlinear editing systems in structure of postproduction complex to use the same original materials which are stored into general complex of disk arrays. Addressing to material may occur simultaneously from dozens of editing stations without necessity of material copying. Now in the world more than 2000 specialized complexes in large cinemas and TV broadcasting organizations which have proved high reliability and excellent technological qualities are operated. In production of the majority of modern Hollywood films the Avid systems are used. The award “Oscar” for technical achievements has won by Avid Company twice. Therefore there are all reasons to consider various solutions from Avid for production of TV programs in DV format. Stations for nonlinear editing in DV formatFirst of all, it is necessary to pay attention to well familiar systems Avid Xpress DV (the new version) and Avid Xpress Pro (for the first time was presented on NAB2003). The detailed information on each product many time was published so the majority of experts already had a concept about opportunities of everyone product. Therefore in this article only brief description of these systems is given and for the first time more detailed accent on comparative characteristics of Avid Xpress DV and Avid Xpress Pro is made. Avid Xpress DV 4.0 is the new version of program software for nonlinear editing Avid Xpress DV and represents portable, price accessible professional digital studio for the work on PC and Mac platforms. It allows realizing more than 100 adjusted effects in the real time mode, is provided by opportunity of automatic color correction, and also present the data control system convenient for operation. Avid Xpress DV is designed specially for editors, operating with DV format, for which the professional tool for content processing is necessary. Avid Xpress Pro is the program system for nonlinear editing, including expanded (in comparison with Avid Xpress DV) tool set for operation in the real time mode with video, audio and film materials on PC and Mac platforms. Avid Xpress Pro is provided with all opportunities of Avid Xpress DV and also it provides the rough editing of film material, support of the multicamera mode, three-dimensional effects by OpenGL technology, DVD recording and many other things. The software operates with digital nonlinear accelerator Avid Mojo which provides the majority of effects in real time, supports 1:1 compression and allows to work with signals of Betacam SP format on the component interface without compression.
Avid Xpress DV or Avid Xpress Pro?The answer to this question each editor must give himself. For this goal the comparative table at the end of the article can be of help for him. There are the following additional opportunities of Avid Xpress Pro during operation with Avid Mojo: convertion of data on input/output; operation in a slave mode from external sources of synchronization; input/output of DV25 and uncompressed video; output to a film with frame accuracy; multichannel overlay of the speaker text (voice over); 20-bit analog audio inputs/outputs; S-Video input/output; high-frequency component input/output (4:2:2). Professional studio for program-making in format DV/Betacam SPIn the summer 2004 at the market the inexpensive editing complex Avid Xpress Studio Complete with wide opportunities for professional production of TV programs mainly in DV25 format has arrived.
In TV production the visual control of the image by means of the TV monitor is required practically constantly. Operating with Avid Xpress Studio complex, it is possible always to see the complete synchronous picture on TV and computer monitors simultaneously and to hear a synchronous sound at any stage of editing! So, it means, that there is an opportunity for postscoring of film without any problems. It is enough to play the edited material on Avid Xpress Studio Complete, and in sound cabin the actor can see it on a TV screen, and the background sound hears in headphones. The actor being guided on the videoimage, makes the necessary cues which synchronously record on one of additional sound tracks directly under reproduced material of the edited film. That was accessible only on more expensive editing Avid systems earlier, now is possible and on Avid Xpress Studio Complete, developed as it was already mentioned, first of all for operation in DV25 format though this system may also operate with uncompressed video, and with video with compression 15:1, thus materials in any of these formats may be played and mixed up on one time scale. Operation with graphic pictures of high resolution may give high results during application of Pan&Zoom effect. If operation with complex three-dimensional graphics is carried out, to see the result on the TV monitor without necessity of the calculation is essential economy of time and labor also. So, if to agree that the opportunities of DV25 format for modern professional TV production and broadcasting (anyway for some genres: news, reports etc.) are quite enough, though the Avid Xpress Studio Complete is rather inexpensive and highly professional engineering solution with wide range of modern opportunities for qualitative production of cinema and TV production. Avid Xpress Studio Complete includes the following software packages:
Besides computer and monitors, Avid Xpress Studio Complete is provided with some additional hardware modules as follows:
Integrated software and hardware pieces of Avid Xpress Studio are based on the Avid support of standards and formats, accepted in TV field, including MXF, AAF, OMF, MetaSync, architecture of AVX plug-in, and also on the checked up compatibility of software and hardware pieces of all complex components.
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