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Roland VC-300HD - page 1
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Roland VC-300HD - page 2
Now that digital broadcasting service areas are expanding, and with the appearance of high-definition content on Blu-ray and HD DVD media, there is a strong demand for high definition content production. Until these recent developments, HD content production had been comparatively simple, with the source of input being mainly limited to HD camera r ...
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Roland VC-300HD - page 3
3 Introduction 2 Why you need a real-time converter 4 Support for various formats 5 Actual conversion procedure 6 Picture quality evaluation 8 ‘The Processing’ - More than just a converter 10 Superior picture quality after down conversion - Interview Shinji Kobukata 12 Making full use of HDV - Interview with a VC-300HD developer 14 System propo ...
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Roland VC-300HD - page 4
In no time at all, formats for HD recording have multiplied. Although the mainstream format for delivery of commercial broadcasting is HDCAM, an infrastructure to accommodate HDCAM-SR is also gradually coming into mainstream. On the other hand, the SD format is still being widely used for news coverage and the introduction of non-linear HD media su ...
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Roland VC-300HD - page 5
5 Multi-format conversion options The VC-300HD enables conversion between many all of the formats currently used in video production. It is a multi-format converter. Four connector types provide different data sources and destinations: IEEE1394, analog component, SDI, and DVI-I. HDMI connectivity is enabled through the use of a DVI-I conversion cab ...
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Roland VC-300HD - page 6
What does format conversion actually involve with the VC series? It’s so simple that almost anyone who has operated video equipment can do it just by looking at the panel and selecting the settings. For instance, let’s see how HDV content is converted and output to other formats. Using a Firewire cable, connect the HDV camera output to the i.LI ...
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Roland VC-300HD - page 7
So, let’s see what kinds of things you can do with PROCESSING. When you press the button, you can cycle through five parameters - Scaling Type, Out Zoom, Audio Delay Time, Sync Source, and TC Generate - and select settings for each. Scaling Type lets you set the aspect ratio. Since selecting 4:3 would otherwise cut strips from the sides of the sc ...
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Roland VC-300HD - page 8
Although the VC-300HD is capable of diverse format conversions, the video quality is not compromised. Examine these frequently used resolutions in same-sized format conversion, down conversion and up conversion. These samples were converted via two-way connection between i.LINK (HDV/DV) and HD-SDI. 8 Original input video (HDCAM format). After conve ...
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Roland VC-300HD - page 9
9 Image after format conversion Multiburst waveform ■ i.LINK (HDV/DV) to HD/SD-SDI conversion Image after format conversion Multiburst waveform Image after down conversion Multiburst waveform The figure shows image samples and waveforms after the original video has been converted to HDV/DV format using the VC-300HD and then, again using the VC-30 ...
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Roland VC-300HD - page 10
The VC-300HD has functions that make it considerably more than just a simple format converter. Among the parameters you can access via the MENU button, you will find parameters related to video processing. For example, you can accent converted video with additional corrections and trimming. Below is a description of the parameters covered by the pr ...
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Roland VC-300HD - page 11
11 Item Number Item Name Description and Available Settings 221 Enhancement Emphasizes the edges of the input video. If set too strong, the edges may look jagged. Off : Do not use 1−63: Strength of Enhancement 222 Video Red Gain Sets the gain value for red in the video being output. 0 −100%: Larger numerical values indicate a stronger red color ...
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Roland VC-300HD - page 12
Though he is not a celebrity, image creator Shinji Kobukata is well known in the industry as a major player behind the scenes. (Photo 1) Among his numerous productions are many promotion videos for artists belonging to a Japanese major label. He has also had a major hand in editing and directing the opening titles of Japanese TV shows. More recentl ...
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Roland VC-300HD - page 13
positioning, when you magnify the picture. Do you often use magnify? In many cases, commercial films are shot, captured to HD with telecine, and finished with SD. If you have it in HD, you can pan and zoom in SD. So, it’s great that you can magnify the picture and shift the frame a bit. In that respect, it has more functions than a simple convert ...
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Roland VC-300HD - page 14
The idea was for the VC-300HD to be able to deal with most of the popular formats at present. So why did they want to have a go at perfecting the huge number of conversion patterns other manufacturers weren’t interested in? Let's take a look at initial product concept and the technical backbone. Let's interview Hironori Mikami of Roland ...
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Roland VC-300HD - page 15
the cooperation of people in the industry. We had to get hold of technical standards, use our connections with chip manufacturers, and collaborate with camera manufacturers. I suppose you could say that we studied pretty much 24/7. When it comes to imaging devices, I think Roland makes good use of analog technology. The thing I like about analog is ...
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Roland VC-300HD - page 16
So, how does the VC-300HD fit into the work done in a studio? Below you can see some of the concrete advantages it offers in typical systems. ■ Figure 1. Non-Linear Editing System Non-linear HD editing has just about reached a level where it can realistically cope with native format HDV and DVCPROHD. One of the reasons that this is practical is b ...
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Roland VC-300HD - page 17
there is often a need for so-called line recording. Simple video switchers do not usually have DV and HDV outputs. If you want to output in these formats, the VC-300HD is your only option. This is because, being more than a simple image converter, the VC-300HD can be used for merging output from an audio mixer line and then enabling recording of th ...
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Roland VC-300HD - page 18
18 Multi Format conversion with Multiple Interfaces in one unit IEEE1394 (i-LINK) Component DVI-I HD-SDI/SDI * Video Sampling Rate HDV: 1080/59.94i, 1080/50i, 720/59.94p, 720/50p DV: 480/59.94i, 576/50i Y/Pb/Pr: 1080/59.94i, 1080/50i, 720/59.94p, 720/50p, 480/59.94p, 576/50p, 480/59.94i, 576/50i 1080/59.94i, 1080/50i, 720/59.94p, 720/50p, 480/59.94 ...
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Roland VC-300HD - page 19
19 ■ Processing Video Processing Scaling: Scaling between the specified input and output Frame Sync: Built in frame synchronizer and genlock to external device Frame Rate Conversion: from 59.94 to 50 Hz etc. I/P Conversion: De-interlace function built-in Delay: Adjustment with Millisecond or Frame Sample Rate Conversion: from 32 to 48 kHz etc. Au ...
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Roland VC-300HD - page 20
copyright 2007 Roland Corporation. All rights reserved All specification and appearances are subject to change without notice Jul. 2007 RAM-7007 KS WWW.rolandsystemsgroup.net ...
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