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Now looking at definitions starting with letter "n"

N-Curve Same as Academy curve. See X-Curve.

N.T.S.C. National Television Standards Committee. . Or, Never The Same Color. (1) The American group which defines the format of U.S. color television. (2) The standard this organization has developed for color television transmission, also known as Never The Same Color. See frame.

NAB National Association of Broadcasters. A body involved in the specification and development of technical standards in the U.S. audio and broadcasting industry.

NAB characteristic The pre-emphasis and de-emphasis equalization standard for magnetic tape recording adopted in the U.S. and Japan.

NAB spool The 10" metal tape spools used on professional tape recorders.

Nagra A Swiss brand of professional recorder originally designed to record on-location synchronous sound for motion pictures, the industry standard for thirty years, owing to the quality and ruggedness of the recorders. It uses 1/4 tape and is generally equipped with a crystal sync generator. Originally Nagras were portable, designed for use while being carried, and are equal in quality to high-end studio recorders. There are now various models and track formats, including some made just for studio use for making transfers, film mixes, etc. Nagra makes both digital and analog recorders, mono and stereo; use of a stereo Nagra on-location is almost always to record two separate mono tracks simultaneously, and does not usually mean a stereophonic recording. Nagra means "recorded" in Polish, founder Stefan Kudelski’s native language, and the recorders are manufactured by Kudelski S. A. See neo-pilot.

Nagra-D The digital version of the Nagra recorder, using 1/4 tape to record up to four tracks of 20- bit audio.

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.

NAMM National Association of Music Merchants. A trade association of musical instrument retailers.

nano Prefix meaning, "one billionth of the quantity that follows."

nanoweber A unit of magnetic flux, one-billionth of a weber. On recording tape, specific or reference flux density is measured in nanowebers per meter."

narrowband A relatively short frequency span, defining a signal or filter which encompasses a small spectrum bandwidth, as opposed to wideband or broadband. Filters sharper than one-third octave are generally considered narrowband filters.

natural A symbol (G) which is used to cancel the effect of a sharp or a flat.

natural frequency See resonance.

NC Curve, NC Contour Noise Criterion. The ambient or background noise in an auditorium or room. See walla, ambiencewalla, ambience, room tone.

near-coincident pair A spaced-pair microphone technique which uses directional microphones, placed approximately 7" apart, or the average spacing between ears on a human head. This allows for some amount of phase difference in the two signals, but not enough to lose mono compatibility, combining the level difference recording characteristics of directional coincident-pair microphones in a spaced array. ORTF is the most common near-coincident arrangement, but others include NOS, and the Faulkner array.

near-field The sound field very close to a sound source is called the near-field. By "very close" is meant less than one wavelength at the frequency of interest. A near-field speaker is a compact studio monitor designed for listening at close distances (3’-5’), so, in theory, the effects of poor room acoustics are greatly reduced. See also far-field, reverberant field.

needle-drop Any single section of music, no matter how short, copied from a music library for use in a film or video soundtrack, or a commercial spot. The producer or client must pay the specified fee to the library or copyright owner for each needle-drop, even when the same section is used more than once in the production.

negative feedback See feedback.

neo-pilot A system for the synchronization of a motion picture camera with a ” tape recorder recording the sound, using a superimposed crystal sync pilot tone generated by the camera or an oscillator, usually at 50Hz or 60Hz, on the full-track tape in such a way that it is not sensed by the normal full-track playback head, and so is not heard with the recorded sounds. The recovered signal is used to control the speed of the tape recorded in playback so the sound remains in sync with the picture. This process is called resolving. Developed for use in analog, mono Nagra recorders.

The sync head records two thin tracks of sync tone near the center of the tape. These thin tracks are read by the resolving circuits that control the motor speed of the player to maintain correct synchronization. As the sync signals are in antiphase, when both tracks pass the play-back head simultaneously, they are phase-cancelled.

Network two or three computers connected to pass data, metadata, management and control messages between nodes.

Neutrik A German company which makes high-quality audio connectors, including the "Speakon" series, a range of very rugged, locking connectors used in larger loudspeakers and amplifiers.

NICAM Near Instantaneous Companded Audio Multiplex. A television broadcasting standard that allows transmission of digital audio data alongside video, giving improved audio quality and stereo operation.

no Used politely and defensively, the most powerful word in any language. It can protect one from naïve or unintended commitments of time, money, and emotion. Use liberally until satisfied with the entirety of any proposed deal, production, etc., which has the acceptable terms codified in writing.

node See anti-node.

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