[asterisk-dev] Asterisk Core Sounds 1.4.15, Extra Sounds 1.4.8, and Freeplay MoH Update Released

[Kristian Kielhofner]

On Fri, Mar 27, 2009 at 4:51 PM, Asterisk Development Team
<asteriskteam at digium.com> wrote:
> The Asterisk development team is pleased to announce the release of Asterisk
> Core Sounds version 1.4.15, Extra Sounds 1.4.8, and Freeplay Music On Hold
> sound files. These sound files are available at
> http://downloads.digium.com/pub/telephony/sounds/. Future versions of
> Asterisk will do this automatically from the Makefile (when the sounds are
> enabled in menuselect).
>
> Jean-Marc Valin (from Octastic) had been experimenting with high-pass filters
> on the existing Asterisk sound files and found a configuration which
> dramatically reduced the amount of low-frequency sound on the prompts, thereby
> making them sound much clearer, especially when used with highly compressed
> codecs such as GSM and G.729. The existing sound files have been run through
> this filter and released back to the community.
>

  Care to share the script/filter?

  We have a *ton* of custom prompts, etc that could potentially
benefit from this...

-- 
Kristian Kielhofner
http://blog.krisk.org
http://www.submityoursip.com
http://www.astlinux.org
http://www.star2star.com