To get back correct proportions, you need to enlarge to 768 pixels in width, or you have to tell your video encoder that it must use 720 pixels that are not square (pixel aspect ratio =? Effective visual resolution With VHS videos already 512 × 384 pixels satisfy the required visual resolution.Īll details of a VCR image will be proper reproduced (I tested this via composite input that was feed from a DVD). Move the mouse over the image descriptions to see how image quality changes! Scaling The Grabber captures with a resolution of 720 × 576, thus the image scales about 9% to small. To show you the quality of a real-world VHS tape I recorded the signal also from DVD to VHS tape and grabbed it from the recorded VHS tape.Īs the screenshot of the grabbed picture were compressed to 720 pixels, I have stretched them to 768 pixels.
This is not a simulation, I actually recorded these pictures with the EasyGrabber.
You can compare the capture results of the composite and S-video input with a digital DVD test image.
The grabber adds no visible noise to the picture. VHS video has reduced sharpness because it uses only composite signals. Super Street Fighter 4 Arcade Edition Pc Keyboard Fix Hp. Input signals can be composite (from VHS recorder) or S-Video. Image The video grabber captures a full PAL image without border losses with 720×576 pixels. 20 kHz) Stereo Separation (1 kHz, 200 Hz high pass) 44.1 kHz / 48 kHz 16 bit 40 Hz 20 kHz 75 dB >56 dB For grabbing videos from VCR (VHS) these technical parameters are absolutely sufficient. (Subsequent deinterlacing necessary, otherwise strong comb artifacts visible in fast moving picture parts) no video visible during fast forward of VHS tape (Preview) below 60 Hz noise ratio reduces to 60 dB Measured values: Video Image resolution Frame rate optical resolution via composite input optical resolution over S-Video input 720×576 25 30 fps approximately 512×384 (see example below) Audio Sampling rate Resolution Frequency response (-3dB) Ripple (100 Hz.ġ8 kHz) Noise ratio (40 Hz. Strengths and weaknesses + unbeatable cheap in price good image quality for VHS videos, absolutely sufficient no noise visible adequate sound quality for normal VHS tapes and VHS copies – captures only with 25 fps or 30 fps and throws together two frames without deinterlacing. In you get a tutorial for grabbing with the EasyGrabber. Since help was not available at the internet I wrote this test report.
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