Push-to-talk (abbreviated as PTT or P2T) is a two-way communication method that uses half-duplex mode where transmission occurs in both directions, but not at the same time. To use PTT, users must press a button on the PTT device while speaking, then release it when done. The listener must then do the same to respond. Common PTT devices include the walkie-talkie. Newer PTT systems use VoIP to provide digital PTT service over 3G data networks. Synonymous with press-to-talk.
An interpreter for the BASIC programming language provided by Microsoft with the DOS and Windows 95 operating systems. The QBASIC interpreter supports many of the more sophisticated features of the BASIC language and replaces GW-BASIC.
Short for Quarter Common Intermediate Format, a videoconferencing format that specifies data rates of 30 frames per second (fps), with each frame containing 144 lines and 176 pixels per line. This is one fourth the resolution of Full CIF. QCIF support is required by the ITU H.261 videoconferencing standard.
Abbreviation for quarter-inch cartridge, pronounced quick, a standard for magnetic tape drives. QIC tapes are among the most popular tapes used for backing up personal computers. QIC tapes are divided into two general classes: full-size (also called data-cartridge) and minicartridge. The QIC-40 and QIC-80 standards are sometimes referred to as floppy tape standards because they […]
Short for [Q (point of the ISDN model) Signaling]. QSIG is a common channel signaling protocol based on ISDN Q.931 standards and used by many digital PBXs. QSIG is used for the establishment and release of calls and for the control of a large number of features.
- QT Mutator
Short for QuickTime Mutator, QT Mutator is a Macintosh software application used in viseo editing to sync video and audio in Quicktime movies.