Philips Electronics NV says proposed specifications for an erasable 4.7 compact disk format have been distributed for review, and says demonstrations of CD-E technology could come as early as Comdex/fall in Las Vegas next month. The disks will store up to 680Mb, and CD-E drives will be capable of reading all existing CD formats, and write and read CD-Recordable media. In theory, Philips, which seems to have lost the digital consumer battle between its own Digital Compact Cassette and Sony Corp’s MiniDisk, could fight back with consumer compact disk recorders that could be used in the same way as analogue tape cassette recorders to produce personal music disks. CD-E products are targeted for use in data interchange, archival, back-up and multimedia production environments.