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Data Calculations
harry edited this page May 24, 2022
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While for most people simple capture start press play wait till end stop capture decode and that good enough you may need to get to exact points or samples or simply want to do proper doucmentation.
Dvide = / Times = *
For Ratio: Original / Compressed : 1
For Percentage: (Compressed / Original) * 100
For Ratio: Original Divided By Compressed ( to one )
For Percentage: Original Divided By Compressed Times 100
For Location scrubbing with multi-mode tapes, i.e SVHS and VHS mixed on the same tape
For RF Sample Scrubbing Time Calculations are Required
40 x 1000000 = MSPS Million Samples Per Second
400,000,000 x 10 Bits
4000000 x 30 = 720,000,000,000 = 30 Min
720,000,000,000 / 8 = 90,000,000,000 Bytes
- FAQ - Frequently Asked Questions
- Diagram Breakdowns
- Visual-Comparisons
- VCR Reports / RF Tap Examples
- Download & Contribute Data
- Speed Testing
- Visual VBI Data Guide
- Closed Captioning
- Teletext
- WSS Wide - Screen Signalling
- VITC Timecode
- VITS Signals
- XDS Data (PBS)
- Video ID IEC 61880
- Vapoursynth TBC Median Stacking Guide
- Ruxpin-Decode & TV Teddy Tapes
- Tony's GNU Radio For Dummies Guide
- Tony's GNU Radio Scripts
- DomesDay Duplicator Utilities
- ld-decode Utilities