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Entries found for search: master

bin-loop master : A special tape that is used in cassette duplication equipment. It contains both sides of the tape and is either run at a very high speed or, for higher quality dubs, in real-time.

edit master : Video industry term for the tape containing the finished (edited) program.

effects master : See effects send.

glass master : A glass disc with a light-sensitive coating, whose surface can be etched with pits by a laser beam as modulated by an audio signal. This surface is then sealed with a coating of silver. Used as a master for the dies from which CDs are eventually pressed. The laser device that burns the pits in the coating on the glass surface of a CD is called a glass master lathe.

group master : See submaster.

lacquer master : The disc produced from a master recording tape which is used to press vinyl copies.

master : (1) A gain control on a sound reinforcement or recording console that controls the level of a mixture of signals whose levels have been set by the individual channel-mixing pots. A console will have a master gain control for each output signal. (2) The final version of a performance which will be used for the production of copies in a film production; this is the master dub. See APRS label system, bin-loop master, chip, cut (3), direct metal mastering, direct-to-disc, edit decision list (EDL), edit master, glass master, lacquer master, post-production, stamper, transfer, two-track, master tape, mastering lathe. (3) One device within a MIDI network or recording/dubbing chain which provides the master clock.

master balance : A message of the Universal System-Exclusive type used for controlling the balance between the left and right outputs of a multitimbral synthesizer, in preference to adjusting individual channel balance.

master clock : A separate clock signal which is sent from a master device to all slaves to maintain tape position synchronization. In this process, the master clock device sends a signal from a dedicated word-clock output to a dedicated word-clock input on all slave devices over a separate cable, typically terminated with a BNC connector. Master clock generators are available at various accuracies, measured in ppm (parts per million): The AES defines Grade 1 clocks as having a long-term accuracy of 1ppm and Grade 2 clocks as 10ppm. The IEC specifications are Level I 50ppm for "pro" equipment, Level II (consumer) accuracy at 1,000ppm, and Level III has inaccuracy measured in days. It is important to be aware of the master clock spec on digital mixers, as some are specified with IEC Level II clocks, making attachment to high-resolution recorders problematic, and in this case, an external clock would be necessary to provide sufficient timing accuracy.

master controller : In a MIDI network, the device which a musician plays in order to control other devices in the network. Typically a keyboard, but a master controller could also be drum pads or some other MIDI generator such as a string or wind controller.

master dub : See master(2).

master fader : A fader to which the groups or channels in a mixing desk are connected. It normally controls the level of the stereo output from the desk.

mastering : The stage between mixing and the pressing plant, where cuts are assembled in the final order and the master(2) prepared for duplication: song-to-song levels are equalized, the stereo image is properly balanced, fade-ins and -outs and any crossfades are added, any last-minute compression/limiting is added to even out the dynamic range of the compilation as a whole. If necessary, additional effects such as some reverb are added to smooth any abrupt transitions, and clean-up all remaining noise: hum, pops, clicks, crackles, etc. (Old) The common term for the process of transferring the musical signal from a magnetic tape, usually called a master tape, to an acetate master disc, being the first step in the manufacture of phonograph records from tapes.

mastering lathe : A lathe bed and carriage mechanism (the actual cutting stylus or head, arm, and armature). Using a high-wattage amplifier to drive the cutting stylus, with a pitch/depth control computer that controls the depth, width, and spacing of grooves being cut, the mastering lathe makes the master lacquer disk from which metal parts and then vinyl records are ultimately made.

master tape : (Old) Records are usually made from tape recordings, and the edited tape from which the acetate is cut is called the master tape. It could be an original recording, but more often it is a copy of original tapes.

submaster : (1) A control on a mixer ing console that controls the level of a groupmixture of signals, sometimes called a group master. Several submasters may be fed into a master control for final level control of the console output signal. The use of submasters makes it easier to handle a large number of input signals. See gang. (2) Any tape used in the making of a master tape, but representing an earlier generation number of some or all of the material included in the final master.

running master : The same as a print master.

production master : See master tape.

print master : The final edit of a film soundtrack that can be transferred directly to a track negative or a mag stripe print with no further changes in level or EQ. If noise reduction is used on a print master, it most often matches that of the final print format, and thus can be transferred stretched to the mag stripe print or track negative. In the case of a stereo optical film, the print master contains two tracks, Lt-Rt, that are transferred directly to an optical sound negative. The soundtrack of a discrete 35mm 4-track or 70mm 6-track mag print will be recorded from a 4- or 6-track printing master in a real-time transfer. Also called a running master.

Nagramaster An equalization curve developed for use by Nagra recorders that uses an HF boost during recording and de-emphasis during playback to increase the SNR at 15 ips.

sync master : See sync reference.

Digital Audio Mastering System : See digital multitrack.

direct metal mastering (DMM) : A system for cutting a metal mother on a record mastering lathe, eliminating the lacquer master and metal master steps. Release pressings made from a stamper are thus only two stems from the DMM and thus have less noise and distortion than those made by the older, five-step process. The DMM process is also used in CD mastering.

dub masters : See final mix.

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