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foreign

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PDF accessibility Solutions reach

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everyone

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screen readers accessibility can be seen

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every day in things such as handicap

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parking spaces closed captioning on your

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television or textured Pavements

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one of the greatest barriers for people

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who are blind or have low vision is

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access to written information

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if you cannot see or cannot see well

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reading can be a difficult or

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insurmountable task

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this can make using computers

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smartphones and the internet something

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most of us do every day very difficult

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if not impossible

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people who have low vision or are blind

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may have a wide variety of visual

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perception

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they may have some Vision but still be

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unable to read print or text on a screen

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due to color blindness blurry vision

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tunnel vision or even Vision within a

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regularly obscured field they may be

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able to detect light or shadow

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or they may see nothing at all and many

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people who are blind or have low vision

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are able to get around and function

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within their environment but still are

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unable to see clearly enough to read

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screen readers are the most common tools

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for accessing digital information that

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are used by people who are blind or have

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low vision

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people who have dyslexia learning

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disabilities temporary disabilities such

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as concussion other print disabilities

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such as stroke or brain injuries and

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people who prefer learning through

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auditory formats also use screen readers

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they provide the information by reading

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aloud digitally coded content contained

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within the digital documents and

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websites

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many blind people also use connected

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Braille displays which convert the data

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provided by the screen reader into

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Braille

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Braille is the only way for a person who

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is deaf-blind to access digital

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information

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fortunately screen readers are built

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into much of our technology now from

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your television Hardware to game

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consoles to smartphones

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and you will find screen reading

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technology available on computers

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laptops and tablets however screen

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readers do not see what is on the screen

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they read aloud information provided

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digitally by means of digital encoding

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for PDF documents this encoding is

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called Tags because the screen readers

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rely on these digital tags and not the

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visual content to read the information

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aloud sometimes what a cited person sees

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is not what a blind or partially cited

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person gets the tags must be applied

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correctly in order for the content to be

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accurately relayed by the screen reader

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tags serve many functions they

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communicate structure and relationships

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to assistive technology

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some are for headings so a person using

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a screen reader can skim through the

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content much as a sighted person would

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do with newspaper headlines

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without headings a person using a screen

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reader would have to read every single

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word to find a specific piece of

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information

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some tags describe images since people

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using assistive technology often cannot

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see what they depict

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other tags are for reading order so that

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the content is not read out of order

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just adding an extra line or a paragraph

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to your document can throw off the

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digital reading order even if it is

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visually in the correct place

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understanding how content needs to be

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tagged is part of learning to produce

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accessible documents applications and

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websites

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let's examine this document using a

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screen reader

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we have chosen to use nvda as it is a

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free download available to anyone

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here's what happens when a screen reader

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attempts to read a PDF document that is

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entirely untagged

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PDF sample as image.pdf alert empty

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document this document appears to be

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empty it may be a scanned image that

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needs OCR or it may be a malformed

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document

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if you are blind or have low vision you

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will get no usable information of any

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kind about this document

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even when a document is tagged it's

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important that it be tagged correctly

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let's have another look at the same

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document this time tagged but only

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partially this document is not properly

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tagged and you will see some of the

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common issues faced by people using

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assistive technology to access digital

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information

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we will be using the Tab Key to move

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around the document and we will move

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ahead before all content is read in some

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cases

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you will also see the text being read

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highlighted on the page and we will show

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the nvda viewer so that you can see what

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the screen reader is perceiving

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digitally as it reads aloud

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note also that there are many voices

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available to be used with screen readers

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and they can read at great speed if the

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person using the technology is able to

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keep up much like a sighted person would

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speed read

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for this demonstration we have chosen a

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human sounding voice and set it to a

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normal conversational speed

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graphic notice that the screen reader

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has not identified this image other than

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to say graphic

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a person using the screen reader will

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have no idea what this graphic is

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heading level 1 save up to 90 on time

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and resources

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this content has been read out of order

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an entire section of text has been

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skipped equidox has helped to improve

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our remediate inaccessible PDFs quickly

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and easily this text has not been

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identified as a heading and again

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content read out of order graphic

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rectangle graphic rectangle equidox

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services

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graphic box graphic box graphic box

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these descriptions of background

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rectangles are unnecessary and confusing

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they should not be included heading

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level 2 conversion Services heading

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level 2 vpats evaluation and completion

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heading level 2 accessibility Services

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equidox team remediates your PDFs

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testing training Consulting and again

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content read out of order graphic logo

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graphic logo visit

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www.equadocs.co or email equidox sales

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onyxnet.com

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within this short document we have found

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the following errors images with no alt

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text description

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text with incorrect reading order

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unidentified headings unnecessary

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background objects announced that are

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confusing

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visually this document is perfectly

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comprehensible but because it lacks

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correct digital tagging a person using

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assistive technology such as a braille

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display or screen reader is not going to

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get an equivalent experience and more

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importantly isn't going to get all the

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information

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screen readers are a valuable tool for

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people who are blind or who have low

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vision but they are only as good as the

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digital encoding in the documents and

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web pages that they are accessing

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for more information about how equidox

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software company can help you with PDF

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accessibility email us at equidox sales

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equidox.co or give us a call at

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216-529-3030 or visit our website at

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www.equidox.co