M (videocassette format)
| Media type | Magnetic Tape, ½-inch | 
|---|---|
| Encoding | NTSC, PAL | 
| Standard | Interlaced video | 
| Developed by | Panasonic, RCA | 
| Usage | Video production | 
| Released | 1982 | 
M is the name of a professional analog videocassette format created around 1982 by Matsushita and RCA. Developed as a competitor to Sony's Betacam format, M used the same videocassette (and the same oxide-formulated magnetic tape stock) as VHS, much the same way that Betacam was designed to take advantage of cheap and readily available Betamax videocassettes,