How does one record audio from a Javascript based webapp? [closed]

Question

I'm trying to write a web-app that records WAV files (eg: from the user's microphone). I know Javascript alone can not do this, but I'm interested in the least proprietary method to augment my Javascript with. My targeted browsers are Firefox for PC and Mac (so no ActiveX).

I gather it can be done with Flash (but not as a WAV formated file). I gather it can be done with Java (but not without code-signing). Are these the only options?

I'd like to record the file as a WAV because because the purpose of the webapp will be to assemble a library of good quality short soundbites. I estimate upload will be 50 MB, which is well worth it for the quality. The app will only be used on our intranet.

UPDATE: There's now an alternate solution thanks to JetPack's upcoming Audio API: See https://wiki.mozilla.org/Labs/Jetpack/JEP/18

Answer 1

This is an old thread, but the issue remains relevant. It should be noted that there is a way to record audio to the server in Flash without a proprietary back-end. Here's an example project to get you started:

https://code.google.com/p/wami-recorder/

Answer 2

Flash requires you to use a media server (note: I'm still using Flash MX, but a quick Google search brings up documentation for Flash CS3 that seems to concur - note that Flash CS4 is out soon, might change then). Macromedia / Adobe aim to flog you their media server, but the Red5 open-source project might be suitible for your project:

http://osflash.org/red5

I think Java is going to be more suitible. I've seen an applet that might do what you want over on Moodle (an open-source virtual learning environment):

http://64.233.183.104/search?q=cache:k27rcY8QNWoJ:moodle.org/mod/forum/discuss.php%3Fd%3D51231+moodlespeex&hl=en&ct=clnk&cd=1&gl=uk

(membership-required site, but open to Google, hence the link goes to the Google cache page).