How to add audio to video captured with Epiphan video grabbers

While Epiphan’s capture tool doesn’t support audio capture with VGA2USB and only supports HDMI audio with DVI2USB 3.0 or SDI audio with SDI2USB 3.0, most third party applications such as Windows Media Encoder, WireCast, QuickTime Broadcaster, VirtualDUB and Camtasia Studio support the simultaneous capture of an audio device while capturing the video stream through the video grabber.

Step 1: Connect audio cable

If you are capturing the output of another computer using your sound card, you must connect one end of a 3.5mm stereo cable to the line-out on the computer that is being captured and the other end to the line-in or microphone input on the computer that is being used to capture the stream.

broadcast audio

Step 2: Configure your software to capture audio

In most capture software programs, the audio option is visible on the home screen of the software. Once you choose the option to capture audio, the software will automatically synchronize the audio and stream from the video grabber.

Windows Media Encoder:

Windows Media Encoder

WireCast:

WireCast

Camtasia Studio:

Camtasia Studio

QuickTime Broadcaster:

QuickTime Broadcaster

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DVI2USB 3.0 video grabber

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SDI2USB 3.0 Video Grabber

$US 699.95

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