1)   Active Audio Record Component 2.0.2008.901
Active Audio Record component directly record audio to wav, mp3, wma, ogg, vox, au and aiff format on the fly without temporary files created. Support multiple sound cards and mixer lines Support WMA speech codec and loseless codec
audio record, stream audio record, mp3, wma, ogg, record, silence detection,

 2)   WAVChop 1.0
Split WAV files with WAVChop, a program that lets you automatically chop up a WAV sound file into pieces where silence is detected.
Split WAV, File Split WAV, Silence Detection,

 3)   Visual MP3 Splitter & Joiner 6.0
Visual MP3 Splitter & Joiner is a handy software utility that can split and combine audio files. Cut files fast and easy using a waveform without losses in quality. The program can merge several files into one large. Supports batch processing mode.
mp3 splitter, mp3 split, mp3 joiner, mp3 join, mp3 cutter, mp3 cut, mp3 combine, wav splitter, wav split, wav joiner,

 4)   3D MP3 Sound Record 3.88
3D MP3 Sound Recorder is a sound recorder software. It enables you to record sound, played back through your sound card,microphone,line in and any other sound sources.
MP3 Sound Recorder, Sound Recorder, silence detection, Voice activated, Multi-session schedule, Automatically stop, Multiple file creation, Recording streaming audio, Real 3D interface, hot keys definition,