[Speech-reco] RE: [SpeechIO] Can I copy this code directly?

[Sina Bahram]

I forwarded the question to some folks who should know.

Take care,
Sina 

-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of Bill Cox
Sent: Thursday, October 14, 2010 9:51 AM
To: Vinux Development; address@hidden; speech input and output
Subject: Re: [SpeechIO] Can I copy this code directly?

Oops!  Wrong patent!  The patent I meant to talk about is this one:

http://www.freepatentsonline.com/4625286.html

The other one is not very interesting to me.

Bill

On Thu, Oct 14, 2010 at 8:51 AM, Bill Cox <address@hidden> wrote:
> I think the technology in this patent rocks:
>
> http://www.freepatentsonline.com/5012518.html
>
> In 1978, this guy compressed speech to the most important 4 formants 
> (poles), plus a second order correction polynomial.  It's based on the 
> same technology I've been playing with, LPC.  He even does what I 
> wanted to do, making traces of formant movement over time.  The patent 
> has expired, which means I can duplicate as much of this work as I 
> like for free.  Even better, the patent includes an Apendix A, which 
> is the entire Fortran source code for the algorithm.  I see no 
> copyright notice on the code.
>
> So, am I actually allowed to copy the Fortran code directly?  Doesn't 
> putting it in a patent application with no copyright notice place it 
> into the public domain?  Too bad we don't have blind lawyers on the 
> list!
>
> Bill
>
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