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Turntablists typically manipulate records on a turntable by moving the record with their hand to cue the stylus to exact points on a record, and by touching or moving the platter or record to stop, slow down, speed up or, spin the record backwards, or moving the turntable platter back and forth (the popular rhythmic "scratching" effect which is ...
A soundbar A typical soundbar setup, placed centered in front of a TV below the screen A soundbar , sound bar or media bar is a type of loudspeaker that projects audio from a wide enclosure . It is much wider than it is tall, partly for acoustic reasons, and partly so it can be mounted above or below a display device (e.g. above a computer ...
The soundboard, depending on the instrument, is called a soundboard, top, top plate, resonator, table, sound-table, or belly. It is usually made of a softwood, often spruce. [6] More generally, any hard surface can act as a soundboard. An example is when someone strikes a tuning fork and holds it against a table top to amplify its sound.
In the CD era (post 1983), the top line Nakamichi products were termed the "Dragon." The Dragon-CT turntable ("Computing Turntable") automatically adjusted for off-center holes in records by moving the platter in two dimensions. The Dragon CD playing system has special mechanical damping to prevent vibrations of the CD and holds multiple CDs.
A rumble is a continuous deep, resonant sound, such as the sound made by heavy vehicles or thunder. [1] In the context of audio reproduction rumble refers to a low frequency sound from the bearings inside a turntable. This is most noticeable in low quality turntables with ball bearings. Higher quality turntables use slide bearings, minimizing ...
With the development of thin film technologies it was possible to keep the Q factor high enough, leave out the crystal and increase resonance frequency. Ladder type bandpass filter based on FBAR resonators. The difference of resonance frequency of resonators 1 and 2 determine the frequency range of frequencies to be passed.
To cause resonance, the phase of a sinusoidal wave after a round trip must be equal to the initial phase so the waves self-reinforce. The condition for resonance in a resonator is that the round trip distance, 2 d {\displaystyle 2d\,} , is equal to an integer number of wavelengths λ {\displaystyle \lambda \,} of the wave:
This is a classic demonstration of resonance. A glass has a natural resonance, a frequency at which the glass will vibrate easily. Therefore the glass needs to be moved by the sound wave at that frequency. If the force from the sound wave making the glass vibrate is big enough, the size of the vibration will become so large that the glass ...