Radius’s EdiDV is actually three products in one box: an IEEE 1394 FireWire card, MotoDV capture software, and EditDV editing software. The package is a reasonably priced, effective way to get digital video into your Mac, edit it, and output it to its destination format. If you output the video back to DV tape, you can edit projects without adversely affecting image quality.
The cornerstone of the EditDV package is the IEEE 1394 FireWire card, Apple initially developed FireWire technology for high-speed transfers of large amounts of data. Considering the bandwidth required for DV, FireWire is an obvious way to get moderately uncompressed data from DV tape to hard drive. The Radius FireWire card fits into any Mac OS computer with a PCI slot, so the EditDV package is usable on all but the first generation of Power Macs. To achieve maximum performance with the EditDV FireWire card, however, you will need a fast hard drive on the internal SCSI or an external hard drive attached to a SCSI accelerator card. The card doesn’t actually encode the video signal, as most JPEG- and MPEG-based video cards do, but works by moving data from a DV device to the hard drive. If the hard drive can’t sustain 3.6-MBps transfer rates, it will drop data — that is, frames.
When you’re playing back DV footage that was captured using EditDV, the DV camera or deck must be attached to both a FireWire card and a TV to decode the video in real time as a full-screen image. If no DV device is available, you can view video as a preview clip on a computer monitor, similar to how Adobe Premiere and other editing packages handle preview clips.
The second product in the EditDV package is MotoDV, Radius’s software for capturing data from a DV device to the hard drive. Installation is easy. The installer puts a number of DV extensions in the System Folder, including the SoftDV codec for onscreen playback, and places the MotoDV apphcation on the hard drive. MotoDV is really an elaborate movie-capture window specifically designed for the demands the FireWire card places on the system and hard drive.
MotoDV lets you capture footage from tapes or cameras in real time, as well as in stop motion, with user-definable capture intervals. In storage environments with marginal disk performance (those barely maintaining the 3.6-MBps transfer rate), MotoDV can use its assigned RAM to catch dropped firames as the capture progresses. MotoDV can also capture time code and control a camcorder or DV deck from the keyboard in devices that support these functions. Although MotoDV is a good capture application, it’s missing batch capture, an essential editing function that allows you to designate a series of in and out points in time code, click Start, and wait for the captures to take place.
The EditDV editing software, formerly known as Radius Edit, has undergone a number of changes since it was bundled with the Radius VideoVision board. Most important, stability has improved dramatically. EditDV didn’t crash once in hours of testing — something unheard of in its Radius Edit incarnation. EditDV also does not need the second monitor that Radius Edit required.
EditDV attempts to bridge the gap between the high-end editing software included in Avid’s and Media 100's editing systems, and more consumer-oriented programs such as Adobe Premiere and Strata VideoShop. The EditDV interface consists mainly of a video and audio track timeline, a project window for arranging source material, and a monitors window with source and program displays. While the software provides a more professional editing environment than Premiere or VideoShop, it doesn’t offer the refinement and usability of the high-end systems or the variety of filters and transitions Premiere features.
The Project window, one of EditDV’s more powerful tools, lets you maintain complex clip organization through a series of clip bins. You can either import files piecemeal or drag and drop a folder into the Project window, creating a new bin. To assemble your project, drag clips from the bins into the timeline or use the more versatile three-point edit — set three out of the four in and out points required to make an edit, and EditDV determines the final point.
One of the EditDV package’s only drawbacks is that it doesn’t provide a way to capture footage from analog video sources such as VHS or Hi-8. To bring these sources in through the FireWire card, you need to first transfer them to DV. The alternative is to digitize these sources using a capture card, then incorporate the captured footage into your project, but this footage won’t be of the same quality as the DV-captured video.
Although the EditDV software isn’t as flexible as some editing applications, the package is an excellent solution for desktop DV, providing high-resolution editing at a substantially lower price than M-JPEG analog-to-digital editing solutions of comparable image quality. EditDV allows owners of DV camcorders or decks to realize fidly the potential of DV.
Sanchez, Rick. (November 1998). EditDV. MacAddict. (pgs. 62-63).
Radius
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10 / 
2020-09-13 / 
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Radius_EditDV_1.5_Installer.sit
Emulating this? It could probably run under: 
SheepShaver
