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captcha sounds

20 votes

Submitted by nekng, 7th March 2007, 1:07:25 AM

there would be a link under the captcha text that would play a sound file that would read out the captcha text so people who can't the captcha text clerealy could hear it. http://www.lanapsoft.com/Demo/BotDetect/Default.aspx has a great example of what i am talking about.

7 Comments

  1. I don't know if there's a way to do this without prerecording them.

    Ryan Gordon, 7th March 2007, 1:15:29 AM

  2. there must be, other forums have simlar systems

    nekng, 8th March 2007, 4:41:04 AM

  3. Well, it would take some time, and some math, figuring out the precise algorithm in order to produce the same sound as the image, or just a lot of coding, prerecord each letter and single digit number, and space, for each sound file, I vote for it, but the server space is the downside, not a lot of people have enough for the forum script let alone the sound files.
    But that's just my view on it. Do what you will.
    And it would have to be an OS friendly sound file, Linux users will have trouble.(i.e. me)

    dudeness3, 9th March 2007, 6:59:19 AM

  4. Well there is a way to accomplish this:P. instead of generating the while string at once, the random generated string should be 1, however repeated like 4 times untill we get 4 lettlers.

    On the server we can have a sound file for each letter and number, with the letter name, a.mp3 b.mp3 etc...

    When you generate the string it is actually a set of 4 independent letters, which when you click on the sound button should load the 4 sound files one after another according to the array of letters.

    If we have A B C 1 as a captcha text, a.mp3 b.mp3 c.mp3 and 1.mp3 should load one after another.

    zaher1988, 9th March 2007, 4:17:22 PM

  5. you could also do it in flash and have a flash file that will paly the sound. However then you get the problem of people wanting to decomplie the swf file. It is possable to block this, but i don't know how.

    nekng, 11th March 2007, 3:46:54 AM

  6. That would be really hard as many of those sites that have them have done alot to get them to do that. You could just make maybe more than one option like if they cannot read the CAPTCHA typings then they can do something else to verify.

    TylerGillen, 11th March 2007, 6:23:33 PM

  7. Once I was trying to reset my password at Hotmail, and I could not get the correct code from the visual code nor from the audio clip. I tried like 20 times as was frustrated at the end.

    DennisTT, 11th March 2007, 10:17:51 PM

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