Mix music and voice from microphone to wav or mp3 file in real time and adjust volume when mixing Support Playback wav mp3 mpg avi file and display waveform graph. Capture audio from selected audio device. Include c# VB.Net VFP VB VC++ Delphi Audio Capture Change Pitch Sample. Allow display waveform with left right channel. Customizable the waveform allow you to change the background color left/right channel''s waveform color offset divisor of waveform. Allow display floating popup waveform window or child style of waveform window. Capture audio to Wave WMA MP3 file format. Capture audio from selected audio input pin. for example online streaming audio radio audio players (e.g. Media Player WinAmp Real Player ) Line In Microphone Stereo Mix Mono Mix Aux Video CD Audio Phone Line. Support multiple audio devices and mixer lines. Adjust volume level for mixer line. Change the audio pitch to male female child voices. Pause or Resume when recording. Royalty free distribution of the OCX file. Compatible with any programming language that supports ActiveX (Access Visual C++ Visual Basic Visual Foxpro Delphi .Net etc.)