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Secondly, the surveyor can use a sound velocity probe that can be lowered into the water in the area to be surveyed to measure the actual speed of sound. This has the advantage of being quicker than a bar check and it can be performed when there is boat motion due to swell and sea, although any draft offset of the vessel is not identified using ...
A sound intensity probe is a probe capable of measuring sound intensity. The sound intensity is the product of sound pressure and particle velocity. Common probes measure the sound intensity using two microphones. Another type measures the sound intensity using a microphone and a particle velocity probe.
A particle velocity probe is a probe capable of measuring the acoustic particle velocity. Currently there are two commercially available particle velocity probes. The first one is produced by Microflown Technologies. The particle velocity transducer is called the Microflown. The second particle velocity transducer is manufactured by Weles ...
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In a sound wave, the complementary variable to sound pressure is the particle velocity. Together, they determine the sound intensity of the wave. Sound intensity, denoted I and measured in W·m −2 in SI units, is defined by =, where p is the sound pressure, v is the particle velocity.
In music, the dynamics of a piece are the variation in loudness between notes or phrases.Dynamics are indicated by specific musical notation, often in some detail.However, dynamics markings require interpretation by the performer depending on the musical context: a specific marking may correspond to a different volume between pieces or even sections of one piece.
Medical ultrasonic transducers (probes) come in a variety of different shapes and sizes for use in making cross-sectional images of various parts of the body. The transducer may be used in contact with the skin, as in fetal ultrasound imaging, or inserted into a body opening such as the rectum or vagina.
The MacOS version of Amazon Music was released in October 2013. On December 8, 2015, [44] Amazon Music Prime became available on Denon® Electronics HEOS by Denon wireless sound systems, adding a new streaming outlet for music and entertainment enthusiasts. [45] [46] On October 12, 2016, Amazon Music Unlimited was released in the United States ...