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Loudness sentence examples

  • When two notes are not quite in unison the resulting sound is found to alternate between a maximum and minimum of loudness recurring periodically.

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  • - Sounds differ from each other only in the three respects of loudness, pitch and quality.

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  • - Various devices have been successfully employed for making sounds of determinate loudness in order to test the hearing of partially deaf people.

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  • The loudness of the sound brought by a train of waves of given wave-length depends on the extent of the to and fro excursion of the air particles.

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  • Her speech lacks variety and modulation; it runs in a sing-song when she is reading aloud; and when she speaks with fair degree of loudness, it hovers about two or three middle tones.

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  • But the converse, the measurement of the loudness of a sound not produced at our will, is by no means so easy.

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  • We certainly do not wish to measure its loudness, and even if we did it might be difficult to fix on any unit of noisiness.

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  • Now the amplitude evidently corresponds to the loudness, and the length of period corresponds to the pitch or frequency.

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  • Then do= I do dx The Characteristics of Sound Waves Corresponding to Loudness, Pitch and Quality.

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  • It consists at times of a low deep moaning, repeated five or six times, ending in faintly audible sighs; at other times he startles the forest with loud, deep-toned, solemn roars, repeated in quick succession, each increasing in loudness to the third or fourth, when his.

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  • Taking the squares of the amplitude to represent the intensity or loudness of the sound which would be heard by an ear at the point, this is 4a 2 cos t ir(ni - n2)t =2a 2 {1 -cos 27r(n l - n2)t}, a value which ranges between o and 4a 2 with frequency .n1 - n2.

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  • In connexion with the present subject it is important to notice the three characteristics of a musical sound, namely, pitch, loudness and quality.

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  • The pitch of a musical sound depends on the number of cycles passed through by the fluctuations of the pressure per unit of time; the loudness depends on the amount or the amplitude of the fluctuation in each cycle; the quality depends on the form or the nature of the fluctuation in each cycle.

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  • 15 a Thus we learn that two musical notes, of the same pitch, conveyed to the ear through the air, will produce the effect of a single note of the same pitch, but of increased loudness, if they are in the same phase, but may affect the ear very slightly, if at all, when in opposite phases.

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  • (19) (18) [[[Intensity Or Loudness]] and B.

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  • If we are to assume that the tones received by the ear are pure and free from partials, the loudness of the beattones would appear to show that Helmholtz's theory is not a complete account.

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  • Measurements of Intensity of Sound or Loudness.

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  • If the tones had no existence outside the ear then resonators would not increase their loudness.

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  • As a result, many audiophiles have never heard music with proper loudness compensation.

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  • The hum and the tierce in the chimed bell do not affect the initial sensation of pitch, despite the loudness of these partials.

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  • A definition of the loudness of tones can be constructed from the results of experiments such as loudness ' magnitude estimation ' .

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  • F - the loudness of the murmur bears no relation to the severity of the aortic stenosis.

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  • An increase in the size of the iron disk attached to the membrane augmented both the loudness and the distinctness of the sounds, and this finally led to the adoption of a thin iron disk supported round its edge, acting as both membrane and armature (fig.

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  • In some domes, for instance in a dome at the university of Birmingham, a sound from one end of a diameter is heard very much more loudly quite close to the other end of the diameter than elsewhere, but in St Paul's Lord Rayleigh found that " the abnormal loudness with which a whisper is heard is not confined to the position diametrically opposite to that occupied by the whisperer, and therefore, it would appear, does not depend materially upon the symmetry of the dome.

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  • Many alarm clocks have a sound adjustment feature that allows the loudness of the alarm to be turned up or down.

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  • While listening to the heartbeat, the physician carefully evaluates several factors, including the loudness, frequency, pitch, duration, location, and timing of the murmur with the patient's heartbeat.

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  • The intensity levels or degree of loudness at which sounds can be heard for most adults is between 0 and 20 decibels (dB).

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  • Decibel-A unit of the intensity of sound or a measure of loudness.

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  • Parents can tell what babies need by the loudness and pitch of crying and the flailing of arms and legs.

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  • A decibel is the unit of measurement that is used to calculate the loudness of a noise.

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