Opinions on some issues of soft proofing
Soft proofing has the potential to reverse the control of the printing press in the past, but it depends on whether the printer will choose soft proofing as soon as possible. To explore this issue, a major issue at the Rotary Offset Association Conference (WOA Conference) last year was soft proofing related to printing. The following are the views of the chairman of the meeting on some issues involving soft proofing.
The essence? Color management
In fact, soft proofing has nothing to do with proofing. Soft proofing is a category of color management. As stated by Marshall McLuhan, compared with the message, its importance is more related to the media. Therefore, the author believes that soft proofing can anticipate the ability to arrange the layout, measurement and modification of the image data for the image data, which is more important than the reproduction of the final image. As a subject of color management, soft proofing is a new trend in the printing industry, and the rotary printing part of the printing industry feels its power for the first time. This is because the market is most sensitive to market trends, but the image-based part of the industry is just right. in contrast.
What is the basis of the above observations? First, in the proofing market, although cost is an important factor in printing, users have always put the reliability and speed of color quality first, and cost is second only; second, soft proofing has gradually steadily promoted the future of the proofing market. Stock power.
Reliability of color quality is very important in terms of printing. Printing has always been eroded by other communication technologies. However, because the printed matter can deliver the expected quality to the end user, printing has been able to support, and even continue to grow. If proofing is a color contract in the printing industry, printing is the color contract used by other industries to communicate with their customers. If the printing industry continues to promise to provide these qualities, the above statement will hold.
In addition, printers can now directly use spectrophotometers to measure image data, making printers and customers more confident in their results. In the past, the measurement method we used was only density and dot increase, but it was not directly related to the color of the image. We print the CMYK image to the correct density and dot increase target, and rely on the printing machine to interpret and print the combined color effect. Now that we can measure the color at each pixel of the image, we should use this to define whether the image is printed correctly and whether
Increased density and outlets were delivered to quality control equipment. In fact, the current plan is still on paper. It was discovered during the printing of proofs by the Rotary Printing Specification (SWOP) that the two images can be measured under extremely strict standards and still look different. Color measurement is a big leap forward, but it does not really become a precise process. The industry still needs a clear definition of "measured match" (formally defined as two measurements) that can make good use of the spectrophotometer and enable printing to continue to win in other communication media with its high "quality" Images with similar data can be considered to be visually consistent).
How to integrate speed and price into soft proofing? If we can finally measure and ensure the image quality, speed and price will become a driving force to change the printing proofing. If the proofing cost only accounts for a very small proportion in the printing work, its price will be relatively unimportant. As printing costs continue to decline, proofing costs will certainly decrease. The price at the beginning of the proofing is extremely high, and there is a lot of room for downward adjustment. In the past, proofing required thousands of dollars, and currently hundreds of dollars are still required in some markets. The real reason is speed. Compared with other communication media, the printing industry is inferior in speed. The proofing process requires the actual image to be transmitted to the customer over an unacceptable actual distance over a period of time. Therefore, the pursuit of speed is a driving force to reverse the proofing industry and shorten the delivery time to overnight, and the cost will rise sharply in a market that supports the principle of saving. To create the future, the proofing market needs a system that can provide high-quality products at a reasonable price without additional time.
Soft proofing is currently benefiting from the interleaving of various needs. Soft proofing provides real-time digital data transmission, and allows the sender to use the CIELab measurement method to check the quality status of the recipient's output system in real time.
This will enable customers to send verifiable color data in real time for printing and publication, and time-saving remote soft proofing will begin to challenge the reliability of shipping proofs. This is a very powerful concept.
Will traditional proofing be eliminated? In fact, soft proofing is free from the substantial constraints of the proofing process and transmits verifiable color data. As long as it is connected with the new transmission system, most of the valuable reasons for proofing still exist (such as tangible color contracts, etc.). Only because the industry has reduced the shipping time to an overnight time without affecting the sample body a few years ago, the transmission of color data can also have this advantage. Therefore, all types of proofing systems will still have their own market. Among them, those with the best quality, speed and price will take advantage, but they must be compatible with the new color data transmission mode. They must be driven by data to manage the color, and whether the color value measured by printing is consistent with it is the best indicator to judge their reliability.
According to the above, do I expect soft proofing to replace hard proofing in traditional printing houses in the near future? Will those who are in favor of replacing hard proofing win the debate? The answer may be a bit reserved. As mentioned earlier, soft proofing mainly serves as a verifiable transmission mechanism, not the final copy of the data. In fact, no soft proofing seller advertises that its proofing is better than other competitors. They emphasize speed, monitoring, reliability and ease of use, and they are pushing the market to a dead end. In order to embark on the road to success, they must jointly establish a color communication process so that users of any system can cooperate with users of another system. If the printer can transmit the expected data, they are likely to continue to print hard proofs based on the data, because of its appearance and feel, but the previous topic is that soft proofs must be verified. However, even if the printer considers speed and cost when making a decision, they may still choose a hard manuscript as a record to protect their interests after making a decision on quality on behalf of their customers. This situation must be maintained until the definition of "measured match" is fully defined, but the goal is far away.
revolution
In short, soft proofing has revolutionized various media, not information (color measurement data can replace density and dot gain to determine quality, but images still need to be proofed) In addition, the revolution can bring results to the printing industry in the future, because the revolution has the potential to improve speed and quality.
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