Module Name:	pkgsrc
Committed By:	wiz
Date:		Tue Dec 24 22:20:37 UTC 2002

Modified Files:
	pkgsrc/audio/Speex: Makefile distinfo

Log Message:
Update to 1.0beta4 (0.99.4).
This release adds a number of quality improvements and some new
features; first, the quality of the variable bitrate (VBR) mode
has been greatly improved, especially for wideband. Also, some
improvements were made to the packetloss concealment code in order
to reduce artifacts caused by lost packets. There has been improvements
to the 2.15 kbps mode, which now sounds a bit better. The last
quality improvement is in the perceptual enhancement which is now
good enough to be enabled by default in speexdec (but not by default
in libspeex for now).

One of the new features in this release is a VAD (Voice Activity
Detection) mode that conserves bandwidth when there's no speech,
and even when VBR isn't enabled. VAD is coupled with DTX (Discontinuous
Transmission), a feature that can completely stop data transmission
when the noise is constant (in which case, comfort noise generation
is turned on). The last new feature in this release is an ABR
(Average Bitrate) option, which uses VBR with a quality that's
adjusted to meet a certain target (average) bitrate.


To generate a diff of this commit:
cvs rdiff -r1.2 -r1.3 pkgsrc/audio/Speex/Makefile pkgsrc/audio/Speex/distinfo

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.