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I am building an online web application which offers clients to test their language skills.
The application consists of series of different test the clients can freely do. One of these tests is one where the client sees a sentence on the web-page and then is required to speak the sentence to a microphone. The idea would be to record the audio stream, send it to server and save it there to a file.
Is this possible using PHP, Java, or something similar to them?
Thank you for any help 🙂
The only realistic solutions for solving the problem are with flash, as suggested by another answer, or a java applet. In a year or two that will hopefully change and you’ll be able to use javascript and HTML5, but this is now.
I would say this is a problem better and more easily solved with flash, but for java, You need to write a java applet to do the recording. Here are some hints to get you started:
http://docs.oracle.com/javase/tutorial/deployment/applet/
http://www.java2s.com/Tutorial/Java/0120__Development/CapturingAudiowithJavaSoundAPI.htm
http://www.jsresources.org/
You do not need java speech API or JMF, just java sound. You might WANT JMF to compress the audio file to make uploading go faster, but you can get this working without. Note that you may need to “sign” your applet in order to record audio in a browser.
If you are averse to flash, you could also use haxe to write your flash code.