On Thu, 10 Jun 2010 23:46:58 +0100 Delyan Kratunov <delyan.kratu...@gmail.com> wrote:
> On Wed, Jun 9, 2010 at 6:55 PM, Mike Giacomelli > <giac2...@hotmail.com>wrote: > > Fragmentation is can be dealt with by freeing and reiniting > everything like > > we do > > for codecs on track change. > > > > This is ugly, but for something like voice which is probably only > > active for 10 > > or 20 seconds and then shuts down for several minutes or more, its > > probably not that > > big a deal. It'll be annoying to implement but the time average > > overhead will be > > quite small. > > I was planning on doing that anyway. It's the fragmentation > *during*synthesis that's massive as it is. In one extreme case I > mapped out about > 700 allocations of 12-byte structs (I was tracking them in > particular). That was just the initial steps, about 300 more memory > operations before the final cleanup. Sure, that was a synthetic case > and it's impossible to arise from any text in the English language > but nevertheless it shows the issue clearly. The speed was well below > 0.5x realtime. > > I realize it is kinda late in the program now but I wouldn't mind > switching to eSpeak. It's been proven to work, it's usable in theory, > v1.26 should be portable in practice. I was really hoping I could > fight it off with flite but what needs to be done is way over my head. > > Regarding eSpeak, I just need to know what the situation with the > licenses is. In particular, can I use the code in the Flyspray issue > or is that strictly GPLv3? The patch is based on v1.28, so I'm in > dark waters here, I don't know how it works. > > This is all if I'm allowed to switch targets, of course. Any progress on eSpeak or flite ? Don't hesitate to ask for help on mailing list or irc -- ✍ Rafaël Carré ☺
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