Topics: Halftone, Image resolution, Printing Pages: 26 (6517 words) Published: February 3, 2013
What is Premedia?
Premedia refers to all the “upstream processes which occur before a job is sent to final output. This is important because in today’s graphic communications field, output could be any of the following Digital files of varying formats

Film to final plate output
Printing plates
CDs and multimedia
Wikipedia: Premedia is the term that is used in the design creative and publishing industries for the processes and procedures that occur between the conception of original artwork and the manufacturing of final output channel

The term “premedia” has evolved from the term “prepress” Prepress referred to all the processes and procedures that occurred from the time original artwork was delivered, to the production of a final set of film used to create a printing plate. Traditional prepress included several manual and labor-intensive processes, including: typesetting, mechanical preparation, copyediting, proofreading, markup (page layout), screening of continuous tone images, retouching, page assembly (film stripping), trapping, imposition, color separating, and plate making, to name a few. Premedia still includes prepress… and much more

The premedia preparation stages can be similar across final output media In some cases, the same job is presented in many different mediums, at the same time In all cases, proper image preparation and file construction is crucial Premedia offers “value added” to the client because of the technical expertise in understanding of the process and the ability to ensure correct results

PrePress Process (pre-1980s)
Ad agency/design studio
Service provider/trade shop
Typeset, copyfit, proofread
Camera (scan)
Image assembly (film stripping)
Plate production

In the mid 1980s, three separate technologies converged, and changed premedia forever With the introduction of Macs, PageMaker, and PostScript, the steps in prepress workflows underwent dramatic changes including: Files instead of art board and film

Clients doing their own design
Typesetters become “service bureaus” outputting type and film for designers… then eventually replaces totally by DTP done by the clients Film strippers replaces by DTP and imagesetters
Full service printers compete with trade shops for premedia work

Prepress Process (early DTP)
Design studio or client
Working files instead of mock-ups
Clients doing their own scans
Service Provider/trade shop
Preflight and refine client files
Film output
Some printers starting to make film for clients directly
Plate productions

How Premedia Evolved
Today premedia is more complex and technical than ever:
PDF files and file standards
Color management and ICC profiling
Digital hard and soft proofing systems certified for color
JDF and process automation
Full function job-ticket workflows and database integration
Asset management and metadata tagging
File repurposing and dynamic file publication and distribution Variable data print (VDP) management and execution

Prepress Process (Today)
Design studio or client
Design files
Digital photography
PDF files
Color managed proofs
Preflight and refine client files
Plate production

Basic Process
Customer and marketer think of solutions
Graphic designers creates files
Prepress operator makes the files ready for a printing device Press operator prints the job
Post-press binds the job
Job is shipped to the customer

In the Prepress Department
Three core functions
1. Preparing customer files for output
2. Fixing customer files
3. Creating ways to automate the two jobs above
New technology utilizes automation
Terms you may hear are JDF or JMF
This is a special language that tells machines what to do

Preparing Customer Files for Output
Receiving files
Prefligting files (checking for errors)
Printing proofs
Making plates

Fixing Customer Files
1. Color...
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