[asterisk-dev] $1000USD for fix of Asterisk g726-32 codec

[Daniel Silaro]

Steve,

The current Asterisk g726-32 codec is functional and works ok for the
most part however it does give a distorted sound if you raise your
voice while speaking or if volume levels increase above "normal".
Switching over to g711 does not have this problem. Something is
clearly not right there with the codec implementation. If you have a
better g726 codec and you or someone else (I am not a programmer) is
willing to adapt/hook it into Asterisk I am willing to honor my offer
of $1000 USD.

-- Daniel

On 5/21/06, Steve Underwood <steveu at coppice.org> wrote:
> Daniel Silaro wrote:
>
> > Hi All,
> >
> > I am happy to offer $1000USD for the fix of the g726-32 in Asterisk.
> > What's wrong with it? It currently gives a very distorted sound as
> > though the gain is set to high. Lowering the gain on endpoints helps
> > but this is not a fix just a poor workaround. We require g726-32 to be
> > of the same quality as the Asterisk g711 implementation.
> >
> > As the developer who fixes this issue you will receive $1000USD from
> > us. You are free to make the code available to the Asterisk community
> > under any license you wish, commit it into CVS, keep it to yourself,
> > sell it to someone else, whatever you like, just make it available to
> > us for our unlimited use.
> >
> > Please contact me off list if you are interested and capable of this
> > project.
>
> The last time I tried the codec in Asterisk it was functional. If it is
> giving very bad sound perhaps something has been broken very recently.
> However, when it was working it was far from compliant with the G.726
> spec. The G.726 codec in spandsp is fully compliant, and passes all the
> tests in G.726. It also supports all the bit rate options, which the
> Asterisk one doesn't - Asterisk misses out the 16kbps mode, though that
> isn't particularly useful. Hooking into the spandsp library is trivial,
> so I would suggest that as a way to achieve a better G.726 result.
>
> Steve
>
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