The acoustic quality of a room may be improved by breaking up the smooth surfaces by curtains or by arrangement of furniture.
Thus we may speak appropriately of the acoustic quality of a room or hall, describing it as good or bad acoustically, according as speaking is heard in it easily or with difficulty.
The unalterable rightness of music is founded on naturalacoustic laws, and this "rightness" is fundamental.
The history of music is then the explicit development of acoustic laws implicit in every stage of musical feeling.
It was the necessity of providing a suitable signal for rock lighthouses, and of clearing obstacles which cast an acoustic shadow, that suggested the idea of the gun-cotton rocket to Sir Richard Collinson, Deputy Master of the Trinity House.
Here we had the acoustic opacity of the air in front of the South Foreland strikingly imitated.
But how could a being without acoustic nerve and without a tympanum hear?
According to some, this was a gift of specially finely organized nervous natures; according to others, it was due to an accidental abnormal connection between the optic and acoustic brain-centres by means of nerve filaments.
In a moderately-sized specimen of Coronula diadema, the elongated portion of the acoustic vesicle was, 6/100ths of an inch in length.
Alongside the freely depending point, with an orifice at its end, there is a smaller upward projecting point, without any orifice, but hollow within and lined by corium; I believe it opens internally into the acoustic meatus.
The meatus, as I have called the sack-like cavity which encloses the true acoustic sack or vesicle, is formed of pulpy membrane, and is apparently continuous with the corium of the whole body, but by dissection it can be separated entire.
The orifices of the acoustic sacks appeared to be in their usual position beneath the basal articulations of the first pair of cirri.
The orifice leading into the acoustic sack forms a freely depending little point beneath the basal articulation of the first cirrus.
As in this same genus, theacoustic sack is seated remarkably low down (fig.
I should infer from Von Siebold's remarks on his ampoule volumineuse in the higher Crustacea, that my acoustic vesicle answered to the labyrinth in higher animals.
In Tubicinella, the acoustic vesicle is heart-shaped, with the neck attached to its broader end; and the surface is covered by zig-zag ridges.
Knowing the connection in the higher Crustacea, of the acoustic organs and the antennae, and seeing the very backward position (figs.
But in larger and loftier rooms, like churches and public halls, corresponding differences of temperature would, and do, produce air strata widely different in density and elasticity, and occasion serious acoustic defects.
Many attempts to improve the acoustic properties of halls designed for public lectures are failures through faulty execution of correct designs.
As he is so evidently alive to the sanitary and acoustic defects in public buildings, we shall be disappointed if his little volume does not prove to be the preface to more specific, practical directions for their removal.
In one of the Protestant churches of our city, we were shown a sounding-board, whose authors seemed to have halted between the acoustic merits of the paraboloid and the graceful shape of the pilgrim’s scallop-shell.
The royal orchestra played, and as it was in the Sing-Akademie, where the acousticis very remarkable, the orchestral performance seemed phenomenal.
The Sing-Akademie, where all the best concerts are given, is not a very large hall, but it is beautifully proportioned, and the acoustic is perfect.
He was still busily engaged on the telephone, on acousticelectrical transmission, sextuplex telegraphs, duplex telegraphs, miscellaneous carbon articles, and other inventions of a minor nature.
Of all these instruments, the bugle has in the highest degree retained the acoustic properties and the characteristic scale of the prototype, and is still put to the original use for giving military signals.
We are conversing by means of some extraordinary acoustic arrangement of the labyrinth.
If my companions were only to remove a few feet from where they stood, the acoustic effect would be over, my Whispering Gallery would be destroyed.
This apparently astounding acoustic mystery is easily explainable by simple natural laws; it arose from the conductibility of the rock.
The place I was in must possess some peculiaracoustic properties of its own.
He did not yet react to acoustic stimuli, nor was there any other change up to August 21.
It was possible from the beginning to exclude suspicion of simulation; during the day, indeed, it was not possible by any of the repeated attempts to awaken surprise in the patient by means of an acoustic stimulus.
Its continued identity is dependent solely on memory, and it is subject to phonetic and acoustic changes from which the forms of the arts are exempt.
Hipponax seems to have been the first man who introduced acoustic humour by the abrupt variation in his metre.
Acoustic humour appears not only in puns, but under the form of long names of which Plautus was especially fond, Periplecomenus, Polymacharoplagides, and Thesaurochrysonicocræ are specimens of his inventive genius in this direction.
We cannot judge of the range of hearing by the vast store of information brought by words written or spoken, because these are conventional signs, and have no optical or acoustic connection with the thing signified.
He resolved the Acoustic Prism; he built the seven-runged ladder; he charmed the wandering Tones, and bound them in the holy laws of Rhythm.
I know of no place in which the voices as well as the orchestra sound so grandly, and so distinctly at the same time; it is therefore immeasurably preferable in an acoustic point of view to the San Carlo theatre.
In its decoration also, the chief endeavour was to obtain a favourable acoustic arrangement, so as to dispense with all drapery over the windows and doors, which is so obstructive of sound.
It is easily understood that a man in whose store of memory visual or acoustic images occupy the foremost place may be inclined to deny that motor sensations of unconscious copying enter to any extent into his psychical experience.
In other minds, it will be said, the world-picture is entirely built up of visual and acoustic elements.
The acoustic properties of the open pipe can only be secured in combination with a reed mouthpiece by making the bore conical.
To the acoustic properties of open or stopped pipes are due those essential differences which underlie the classification of modern wind instruments.
Nevertheless, as respects the latter he had protected himself with a judicial certificate which stated, to his credit, that he had lost his acoustic volutes in an honorable way by a surgeon who undertook to help his difficulty of hearing.
For the fourth or fifth time since the opening of the Council, the ultramontane correspondents have been instructed to say, that the acoustic defects of the Hall have been remedied through new arrangements.
And here I may make a remark that should have been made before: the Hall has really gained lately in acoustic qualities, from having an awning stretched over it which acts as a sounding-board.
The acoustic qualities of the Assembly Hall, which is the whole height of St. Peter's, make it quite unfit for use.
The Hall of the House of Representatives (now used as a National Gallery of Statuary) was a reproduction of the ancient theatre, magnificent in its effect, but so deficient in acoustic properties that it was unfit for legislative occupation.
Modeled after the theatres of ancient Greece, it possessed excellent acoustic properties, and there was ample accommodation in the galleries for the few strangers who then visited Washington.
He seems to have obtained a piece of pine, of considerable size, possessing extraordinary acoustic properties, from which he made nearly the whole of his bellies.
They are massively constructed, and have in them material of the finest acoustic properties.
This portion of the design has formed the subject of considerable discussion among the learned in the Violin world, the debatable points being the appearance of this peculiarity and its acoustic effect.
Of course all this merely implies great acousticand mechanical skill on the part of the inventor, and remarkable acuteness, or, I might say, systematic craftiness, in leaving no stone unturned in the process of deceiving us.
There cannot be any human being concealed inside the figure; that is as good as proved, so that it is clearly the result of some acoustic deception that we think the answers come from the Turk's mouth.
Larzetti's acoustic oil apparently were identical in every respect.
Mc Nair's Acoustic Oil" but concluding with the admonition, "Ask for Larzetti's Acoustic Oil and take no other.
A modification of the kaleidophon, for showing composition of acoustic vibrations.
It produces its effects by the changes of intensity in an electric current, occasioned by the variations in the contact resistance of conducting bodies, especially of imperfect conductors, under the action of acoustic vibrations.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "acoustic" in a variety of sentences. We hope that you will now be able to make sentences using this word.