词汇 | loudspeaker |
释义 | loudspeaker noun[ C ] uk /ˌlaʊdˈspiː.kər/ us /ˈlaʊdˌspiː.kɚ/ a piece of equipment that changes electrical signals into sounds, especially used in public places so that large numbers of people can hear someone speaking or music playing: 扩音器,广播喇叭 Music blared from loudspeakers.广播喇叭里响起音乐声。 See also speaker(ELECTRICAL) aozora1/iStock/Getty Images Plus/GettyImages Amplifiers, microphones & speakers amplifier balance bass bullhorn earphone electrophone headphone headphones headset hot mic loudhailer megaphone mic microphone mike mike check pa soundbar soundbase speaker loudspeaker | American Dictionaryloudspeaker noun[ C ] us/ˈlɑʊdˌspi·kər/ a device that changes electrical signals into sounds loud enough to be heard at a distance Examples of loudspeakerloudspeaker The words being rated for imageability were not presented via a loudspeaker because the lexical property of interest was visual, not aural. At its most elementary, the automated mode merely distributes the sound among loudspeakers with limited, or no, attention to recession of the image. The image can be raised in height (loudspeaker placement permitting), with the possibility of elevating only the higher regions of spectral space. Also, the virtual source is localizable in a larger listening area the smaller the angle between the loudspeakers. The virtual source can now appear within a triangle formed by the loudspeaker triplet, which is called the active triangle. Vectors point to the loudspeakers and to the virtual source. It is an amplitude panning method which can be used to position virtual sound sources using an arbitrary loudspeaker configuration. This kind of constrained randomness allowed the creation of characteristic movements without defining explicitly every single transition between loudspeaker constellations. In both these works, small speakers are mounted on walls in plant-like configurations with the loudspeaker wires resembling stalks. Spatial information in acousmatic music has previously been confined to the stereo or diffused sound field, or to the use of loudspeakers as point sources. In this example, the width of the spatial illusion is strongly linked to the position of the loudspeakers in the listening space. Auditory stimuli were presented through a loudspeaker concealed below the monitors. As a moderate crowd of theatregoers gathered, the performers started to roll huge empty barrels, while punk music blared from loudspeakers. It was found that the horizontal panning was performed successfully, but two loudspeakers above the listener were not enough. For an electroacoustic composer, the fixed and artificial space of loudspeaker diffusion is the domain in which music is usually imagined. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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