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Now looking at definitions starting with letter "w"

wait : One of the characters transmitted for the purposes of handshaking in a data transfer. The character is sent back to the transmitting device by the receiving device to indicate that the receiver wants the transmitter to pause.

walla : Background ambient sound added to a film soundtrack to give the affect of an external environment, e.g., street noise, background conversation.. See also ambience, room tone, NC Curve.

watt : A unit of electrical power. r. See power. (1) The SI Unit of power: 1 Joule per second. 745.7W=1HP. (2) A unit of electrical power, indicating the amount of work deployable into a given load by an electrical device such as an amplifier or motor. It is strictly the product of the potential difference in voltage, (V), current in amperes, (A), and power factor. In practice, the power factor is often ignored and the term is reduced to VA. See output power.

WAV (.WAV) : The Windows audio file format. Typically encountered as filename.wav, developed as the standard format for multimedia sound applications. WAV is the most common of several file types that conform to the RIFF specification, and so may be referred to as the RIFF WAV format. WAV files can include mono or multichannel audio at 8-bit or 16-bit resolution at a variety of sampling rates up to 44.1kHz. The format supports different compression schemes, but the most common is IMA/ADPCM at 4:1 for 16-bit sounds."

WAV/multi-WAV driver : Used by PC-type system application programs to play sounds on audio cards. Unlike the Macís Sound Manager, WAV drivers can support multiple channels (i.e., more than stereo 2-channel), and depending on the hardware, resolutions above 16-bit, 48kHz.

waveform : The waveform of a signal is a two-dimensional graph of the instantaneous amplitude versus time. See spectrum. (1) A signal, either sampled (digitally recorded) or periodic, being generated by an oscillator. Each waveform has its own distinctive timbre. Also called a sample. (2) The graphic representation of this signal, as on a computer screen. See sound synthesis, Appendix C.

waveform modulation : A voltage-controlled change in the timbre of a note or entire samplepatch, independent of the he pitch or frequency normally ybeing designated by the keystrokes. See sound synthesis, Appendix C.

waveform selection : The waveform selection parameter allows the choice of the shape of the signal generated by the LFO. Typical shapes include sine, triangle (tri), square, and sawtooth (saw). The two most common waveforms used for vibrato or tremolo are the sine and triangle. The square wave is used for trills, and saw for special effects. Some LFOs offer a random (also called sample-and-hold) waveform, useful for "computer" sounds. See sound synthesis, Appendix C.

wavelength response : The distance spanned by one complete cycle of a sine wave, or the fundamental frequency of any complex musical tone, as it travels through an elastic medium, e.g., air, or as it is recorded on tape, film, or vinyl disc.

wavetable : The contents of the waveform ROM. A set of numbers stored in memory (ROM) and used to generate a waveform. The wavetable synthesizer on a soundcard typically plays sounds whose digital representations have been stored in a wavetable. See sound synthesis, wavetable synthesis.

wavetable lookup : The process of reading the numbers in a wavetable (not necessarily in linear order from beginning to end) and sending them to a voice channel.

wavetable synthesis : A method of generating waveforms through lookup tables. Digitized waveforms are organized in a bank, the wavetable, (or table) where they can be randomly accessed. In many wavetable synths, the resulting waveform is used in subtractive synthesis.

weave job : A type of musical track for a spot in which short segments of lead vocal or instrumental lines are interspersed between lines of narration or dialogue. The music weaves in and out, taking the foreground whenever there is no spoken copy.

weber : The basic unit of magnetic flux, defined as one volt-second.

weighting : In measuring frequency response, introducing a predetermined equalization to the signal before taking the measurement. See A-Weighting, B-Weighting, C-Weighting.

weighting network : A filtering network or active equalizer precisely designed or calibrated for use in weighting.

Westrex : The film sound company that, along with RCA, had a monopoly for over forty years, including the whole recording/playback chain. This equipment was leased to studios for royalty fees. By the mid-1970s, this equipment was being replaced by manufacturers of more highly specialized devices such as consoles by Quad-Eight, mag machines by Magna-Tech, and sound format processes by Dolby.

wet : Consisting entirely of processed sound. The output of an effects device is 100% wet when only the output of the processor itself is being heard, with none of the dry sy (unprocessed) signal.

white label : A small pressing of a record of CD with an anonymous blank ("white") label, used for market-testing a track on a limited audience before release. Also used by artists to issue a track rejected by the record company to which s/he is under contract.

white noise : A special type of random noise where the energy content is the same at each frequency. Strictly speaking, true white noise would have energy extending from DC, or zero frequency. In practice, we see only band-limited white noise, e.g., the noise heard when an FM receiver is tuned between stations is quite close to white noise over the AFaudible frequency range. Because of the earsí peculiar method of determining loudness of sounds, white noise sounds as if it has more energy at high frequencies than low. Also (imprecisely) called thermal noise and resistance noise. See pink noise, noise floor.

whole-step : The musical interval of a major second in a diatonic scale. The frequency ratio between the notes of a major second in just intonation is 8/9, and in equal t temperament, it is the , or about 12%. See half-step.

wide-range curve : See X-Curve.

wide-range monitoring : See X-Curve.

wig-wag : Film slang for the warning lights outside sound stages to indicate when shooting is taking place.

wild score : See scoring wild.

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