Name: Ben Maurer Email: bmaurer@andrew.cmu.edu Affiliation: reCAPTCHA Document: W2 Item Number: Guideline 1.4: Make it easier for people with disabilities to ... Part of Item: Comment Type: technical Summary of Issue: Audio CAPTCHAs Comment (Including rationale for any proposed change): Audio CAPTCHAs need to include substantial amounts of background noise in order to be secure against robotic attacks Audio CAPTCHAs must also not be captioned for obvious reasons. Proposed Change: To 1.4.6 add: \"Except if the audio is provided as a CAPTCHA and a non-audio CAPTCHA is available that provides equivalent access\" To 1.2.* add: \"Except if the media is provided as a CAPTCHA and an image only CAPTCHA is provided\" (similar to the text in 1.1.1)Received on Wednesday, 18 July 2007 05:28:36 GMT
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