Signal Wave

A signal wave is a pattern of electricity which can be converted into a sound wave (for example by a Loudspeaker), or can be used to drive other processes an manipulations…

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Sine Wave

The purest of sounds, looking like a sequence of hills and troughs, the sine wave (or sinusoid) creates the sound of a single frequency with no harmonics or interference.  …

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Smooth

Sounds that are connected or blended together with no intervening silence. In traditional music the term legato is used. (Legato is the Italian word for ‘tied together’.)

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Sonogram

A sonogram is able to show the relative distribution of sound wave energy within a sound, over time. It can be a useful visual tool for understanding how sounds operate…

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Sound Art

This term generally designates the art form in which the sound is its basic unit. A liberal view of sonic art would take it to be a subset of music.…

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Sound card

Sound cards are used in the Compose with Sounds software. They are sound files with an accompanying image.

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Sound Card Packs

These are collections of sound cards. Providing a range of different sounds organised around a theme.Sound card packs might be related to a specific project, or a specific style of…

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Sound Mark

Sound marks are the sonic equivalent of landmarks. They are key sound objects within a soundscape which help us to orientate ourselves. Sometimes Sound Marks are also Keynote sounds, but…

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Sound Recorder

A tool for recording and capturing sounds. There are many many different types of sound recording equipment. These days, even mobile phones are able to record sounds. The more expensive…

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Sound source

This is the perceived cause of a sound. It may be referential, relating to a recognised contextual source, or an abstract description of the characteristics necessary for a description of…

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Sound Walk

a walk where the participant (or participants) concentrate on listening [paraphrase of Schafer 212–213]. The main goal of the activity is to facilitate Heightened listening. When more than one person is…

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Soundscape

Wherever we are, we are surrounded by sound. Soundscapes (just like landscapes) can be urban/rural, industrial/agricultural, busy/quiet, and so on. Soundscapes can change over the course of a day, and…

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Spectrogram

A way of visualising sounds that provides information about the frequencies that make up the sound. The horizontal axis of the spectrogram displays Time (the further to the right the…

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Splice

To cut up a sound file. Usually to remove unwanted bits, leaving only the sounds that the composer wants to use. When composers used magnetic tape they would splice the…

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Synthesiser

A grouping of electronic modules intended for sound processing. Such equipment usually incorporates a combination of oscillators (tone generators), filters, mixers, envelope generators, noise generators, reverberation units, etc. The term…

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