We have collected the most relevant information on Audio Captchas. Open the URLs, which are collected below, and you will find all the info you are interested in.
Usable Audio CAPTCHAs - University of Washington
http://webinsight.cs.washington.edu/projects/audiocaptchas/#:~:text=CAPTCHAs%20and%20Audio%20CAPTCHAs.%20CAPTCHAs%20are%20tests%20that,that%20cannot%20easily%20be%20solved%20by%20a%20computer.
BotDetect Audio CAPTCHA Sound Samples
https://captcha.com/audio-captcha-examples.html
Audio CAPTCHA Sound Security BotDetect audio Captcha functionality uses 20 different sound styles, each style using an unique combination of effects and noises. This makes audio Captcha much more resistant to any automated audio analysis, especially when the sound style used for each generated audio Captcha is picked randomly.
audio.captchas.net
https://audio.captchas.net/?client=amrracing&random=qei8av9ewkm1pejk2nrt3vjwfx3yn9r5d14dm3i9&alphabet=abcdefghkmnopqrstuvwxyz
We would like to show you a description here but the site won’t allow us.
Audio Captcha.com - Break Audio based captchas with an API
http://www.audiocaptcha.com/
This is no ordinary speech to text API, it is specifically designed to crack audio captchas If you use AWS Transcribe, or Google Cloud Speech to Text on a captcha audio, then you will have poor results, because it's a general-purpose speech to text API, designed to transribe video, narrated text, and phone calls.
Breaking Audio CAPTCHAs - Carnegie Mellon University
https://www.cs.cmu.edu/~jdtam/Documents/Breaking_Audio_CAPTCHAs.pdf
similar ideas to test the security of audio CAPTCHAs. Audio CAPTCHAs are generally composed of a set of words to be identified, layered on top of noise. We analyzed the security of current audio CAPTCHAs from popular Web sites by using AdaBoost, SVM, and k-NN, and achieved correct solutions for test samples with accuracy up to 71%.
captcha · PyPI
https://pypi.org/project/captcha/
from captcha.audio import AudioCaptcha from captcha.image import ImageCaptcha audio = AudioCaptcha(voicedir='/path/to/voices') image = ImageCaptcha(fonts=['/path/A.ttf', '/path/B.ttf']) data = audio.generate('1234') audio.write('1234', 'out.wav') data = image.generate('1234') image.write('1234', 'out.png') This is the APIs for your …
captchas.net
This server provides CAPTCHA images and audio files you can use in html-forms. CAPTCHA images can prevent forms to be used by robots. How does it work? A CAPTCHA image shows a random string which the user has to type to submit a form.
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