Mix music and voice from microphone to wav or mp3 file in real time and adjust volume when mixingSupport 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 leftright channels 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.) added PBHideWaveWnd methods. updated allow call audio capture and playback window in same form. improved live audio mixing feature now the output wave or mp3 file more accurate.added allow delay background music or microphone time.added allow input any media files when you call MixerLoadBgAudio method if your computer installed specific codec.added MixerAddDelay method.