Version 5.0 (23 October 2018 Released) 

  • added capture audio from specific playback device.
  • added support unicode, now the audio device, audio input pin , playback device can display unicode.
  • added GetPlaybackDeviceCount method, Return the count of Playback Device.
  • added GetPlaybackDeviceName method, Return the name of specific Playback Device.
  • fixed when call Start method, display waveform window flicker issue.
  • fixed add audio pitch effect , cannot save to mp3 issue.
  • added PlaybackDevice property. capture the audio from specific playback device.
  • changed CaptureSpeaker property to CapturePlaybackdevice.
  • updated VB6, C# 2010, VB.NET, VC sample.
  • added C# 2015, VB.NET 2015 samples.
  • Version 4.0 (22 June 2012 Released)

  • fixed sync issue when display waveform.
  • added capture audio from speaker, your sound card does not need have Stereo Mix audio input pin. (For Window 7, Window 8 and vista only)
  • improved more stable on vb.net and c# application.
  • added CaptureSpeaker property.
  • added GetAudioDeviceCount, GetAudioDeviceName, GetAudioInputPinCount, GetAudioInputPinName, GetWMVProfileCount, GetWMVProfileName methods.
  • updated vb6, vb.net 2010 and c# 2010, vc , delphi samples.

  • Version 3.6 (14 December 2011 Released)

  • added digital signed for ocx and exectuable of installer files.
  • added vb.net 2010 and c# 2010 samples , fixed samples cannot run on 64 bit OS issue.

  • Version 3.5 (19 July 2011 Released)

  • added Allow capture audio to sample grabber.
  • added SampleBufferMode property.
  • added SampleBuffer event.
  • added Sample grabber vb 6 sample, it show you how to received the each audio frame and save to wav file.

  • Version 3.0 (
    8 Dec 2008 Released)

  • added Allow display waveform with left, right channel.
  • added SetWaveWndOwner, SetWaveWndPopUp, SetWaveWndBgColor, SetWaveWndCaption, SetWaveWndColor, SetWaveWndDivisor, SetWaveWndOffset, SetWaveWndPos, SetWaveWndStyle, GetContainerWndHandle methods.
  • added ShowWaveForm property.
    Version 2.0
  • rewrite mp3 ecnoder that support change sample rate, mono and stereo value.
  • added reset the system audio inputpin after end of recording.
  • added audio pitch function that allow change the audio pitch to male, female child voices.
  • added refresh audiopin after selected another audio device.
  • added adjust recording volume level.
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