GoldWave - v5.18 (Pc)
# Changes in v5.18 include:

* New Waterfall visual
* Minimize option for Batch Processing
* Graph lines for cue points (button on left side of cue slot)
* Frame values accepted when entering time (HH:MM:SS.XX/YY)
* Work-around for WMA encoder bug
* Several fixes and improvements

# Changes in v5.17 include:

* Noise Reduction fixed on multiprocessor/dual core computers
* Some minor improvements

From the homepage:
GoldWave is a top rated, professional digital audio editor. It contains so many great features, you will be amazed by all the things it can do, read more.