This extension plays audio description track elements of HTML5 videos via a screenreader.

Latest Version

Version
1.0.3
Update
August 10, 2012
Size
38.15KiB
Developer
Category
Users
2,000+
Rating
2.35714 ★
Manifest Version
2
Web Store Status
Languages Support
English
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Permissions

Tts
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HTML5 Audio Description (via screenreader) Extension

IMPORTANT: Please activate the “Enable element” experiment in chrome://flags/
This experiment MUST be enabled for the extension to work.

Use this extension if you want your screenreader to render audio descriptions. For the extension that plays via Chrome text to speech, https://chrome.google.com/webstore/a/google.com/detail/jafenodgdcelmajjnbcchlfjomlkaifp

Currently supported screenreaders:
- ChromeVox
- Mac OS X VoiceOver is not fully supported

Languages supported:
- depends on language support of your screenreader

Keyboard shorcuts:
For keyboard shortcuts, press alt + ? while on a webpage.

This is part of the Axs-Chrome open-source project http://code.google.com/p/google-axs-chrome/, which supports extensions that enhance accessibility. You can submit feedback to the Axs-Chrome discussion group: https://groups.google.com/group/axs-chrome-discuss?pli=1
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Source Manifest.json

{"update_url":"http://clients2.google.com/service/update2/crx", "name": "HTML5 Audio Description (via screenreader)", "version": "1.0.3", "description": "This extension plays audio description track elements of HTML5 videos via a screenreader.", "permissions": [ "", "tts" ], "background": { "scripts": [ "background.js" ] }, "minimum_chrome_version": "19", "content_scripts": [ { "matches": [ "" ], "all_frames": true, "js": [ "closure/closure_preinit.js", "closure/base.js", "content_script.js" ] } ], "icons": { "128": "chrome-a11y-audio-ext-icon-v1.png", "48": "chrome-a11y-audio-ext-icon-v1-48.png" }, "manifest_version": 2}
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How to download and manually install HTML5 Audio Description (via screenreader) extension for Chrome

Looking for a way to install HTML5 Audio Description (via screenreader) extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install HTML5 Audio Description (via screenreader) extensions manually, this article outlines two simple methods to effortlessly install HTML5 Audio Description (via screenreader) extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download HTML5 Audio Description (via screenreader) extension and manually install through Drag &Drop

If you ever need to manually install a HTML5 Audio Description (via screenreader) extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the HTML5 Audio Description (via screenreader) Extension by clicking the "Download CRX" button on the website.

Look for the HTML5 Audio Description (via screenreader) extension you wish to install. Go to the website and download the HTML5 Audio Description (via screenreader) extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for HTML5 Audio Description (via screenreader) extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the HTML5 Audio Description (via screenreader) extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download HTML5 Audio Description (via screenreader) extension for Chrome and install in Developer Mode

This is another method to install HTML5 Audio Description (via screenreader) extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the HTML5 Audio Description (via screenreader) extension file

Select and download the HTML5 Audio Description (via screenreader) extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the HTML5 Audio Description (via screenreader) extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your HTML5 Audio Description (via screenreader) extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the HTML5 Audio Description (via screenreader) extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install HTML5 Audio Description (via screenreader) extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Bryan Myers (ID: 000000b880d61383) Voted 1 ★ - Updated 08/20/2018 As a sighted web developer I couldn't get this to do anything when it was enabled. If I were blind it would be impossible to activate... even if that did anything.

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Bradley Johnson (ID: 00000011763576ce) Voted 1 ★ - Updated 06/06/2018 no instructions!

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Daubney Thielking (ID: 000000c881ae347c) Voted 1 ★ - Updated 11/29/2017 There's no instructions. I can't figure out how to work it.

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Daniel Beaudoin (SK8ZION) (ID: 000000d7cb5f020c) Voted 3 ★ - Updated 08/30/2017 I can't vote this one way or another. There isn't enough information in the description to tell how to use it. The element it says to enable in Chrome://flags isn't there. And there is no intuitive way to figure out how to get it to read anything. Too bad. This kind of extension could be useful. :(