This sounds like what I'm trying to do, Thanks - juju On Thu, Aug 27, 2009 at 2:22 PM, Taka Kojima <t...@gigafied.com> wrote:
> You wouldn't actually do the speech recognition in Flash, but rather have > Flash record to a file, have the server process it (using an already > developed program of course, as as Steven explains speech to text is not > just a simple matter). > > So essentially the flow would be: > > Flash Player would record the sound, tell server to save file to x > location, > open a socket connection to server, tell the server to process the sound > file. Then, through the socket connection you would send data back to Flash > as you process the file. > > This is a real simple overview, but essentially if you in fact can record > sound through the microphone with Flash Player and you do have an already > built speech to text program installed and working (with an API that you > could plug into), then it is feasible and it's not as complicated as > writing > your own speech to text recognition software in ActionScript. > > I have implemented a similar solution for creating video files with Flash > (i.e. you drag 5-10 second clips onto a timeline, send the data back to the > server, the server reads the sequence, puts the clips together into a file > and exports as a new video file), so this is a workable and good solution, > as well as your best bet. > > - Taka > > On Wed, Aug 26, 2009 at 10:41 PM, Steven Sacks <flash...@stevensacks.net > >wrote: > > > This is how you record sound: > > http://www.getmicrophone.com/?p=69 > > > > If you're asking how to convert sound waves into speech, dude, what? Do > > you realize how challenging speech recognition is? Wait, why am I asking > > you this? If you did, you wouldn't be asking people on a Flash list how > to > > do it, as if it's some piece of code somebody can copy and paste or a few > > links that will tell you the secret formula. > > > > Most speech to text programs are based on the Hidden Markov models. In > > speech recognition, the hidden Markov model would output a sequence of > > n-dimensional real-valued vectors (with n being a small integer, such as > > 10), outputting one of these every 10 milliseconds. The vectors would > > consist of cepstral coefficients, which are obtained by taking a Fourier > > transform of a short time window of speech and decorrelating the spectrum > > using a cosine transform, then taking the first (most significant) > > coefficients. The hidden Markov model will tend to have in each state a > > statistical distribution that is a mixture of diagonal covariance > Gaussians > > which will give a likelihood for each observed vector. Each word, or (for > > more general speech recognition systems), each phoneme, will have a > > different output distribution; a hidden Markov model for a sequence of > words > > or phonemes is made by concatenating the individual trained hidden Markov > > models for the separate words and phonemes. > > > > There you have it. That's a high level overview of speech to text. Do you > > understand anything in that paragraph? Probably not. > > > > Unless you're willing to study and put in the time to figure out how to > do > > this, you're not going to figure it out. Nobody is going to point you in > > the right direction because this is a very niche knowledge area and none > of > > these people are on Flashcoders. They're at universities working on > their > > doctorates or working for the military or government, or some private > > company and they're not sharing this information. This is the stuff > patents > > are made of. > > > > So either give up now (because what you want is some easy solution and > > there isn't one) or start doing real research, learn some serious > Calculus, > > become an expert on on sound, speech, waveforms, and then figure out how > to > > port all of this into Flash, which, in all likelihood, lacks the > performance > > to actually achieve this. > > > > You'll probably have to do it on the server, passing the sound to the > > server as an mp3 file, and then pass the text back. That's the only thing > I > > can think of that would possibly be able to do this. > > > > Prove me wrong. If you pull this off, you could probably build an entire > > company around your technology. > > > > _______________________________________________ > > Flashcoders mailing list > > Flashcoders@chattyfig.figleaf.com > > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > > _______________________________________________ > Flashcoders mailing list > Flashcoders@chattyfig.figleaf.com > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
