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Istruzioni per l'uso Roland, Modello SSC-8004

Produttore : Roland
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Lingua di insegnamento: en

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One such attempt is known as "binaural" recording, and is essentially an extension of the one-point method. First, a life-size model of a human being, covering the upper chest, shoulder and head regions, is made. Next, exact replicas of the ears, including lobes and the external auditory canal, are created. Small microphones are then placed inside the head, precisely where the eardrums would be located. From the information captured by these two microphones, a stereo recording is made. Using the binaural method of recording, the subtle alterations caused by the shape of the ears and their passages are captured. However, an excessive amount of recording equipment is required in order to record using this method. In addition, when such binaurally recorded material is played back using speakers, the perceived effect is not as pronounced as what can be heard through headphones. As a solution to these limitations, Roland, through development of its proprietary RSS Method, has now made possible three-dimensional sound images that are equally striking - when listening with speakers or headphones, and its three-dimensional sound field that is obtained by easy operation. 5 •RSS Processor The RSS system involves the use of two processors. One is the Binaural Processor which converts the input signalsin a mannerthat creates left and right channel signals that are virtually identical to those obtained through binaural recording. This processor greatly facilitates localization of sound sources to any desired position. When sound recorded by Binaural Processor is played-back using a two-speaker system, sounds intended only for the right ear will also be heard by the left ear, and vice-versa. (This is referred to as L/R aural crosstalk.) For this reason, it is generally bestto use headphones when listening to the sounds recorded by Binaural Processor. Thus, when employing two speakers, and using only the techniques introduced above, it would be impossible to obtain the degree of effect that headphones can provide. That's where the Transaural Processor comes in. Thanks to this second processor, which eliminates the UR aural crosstalk, two-speaker systems can also be used for optimum sound reproduction. Through the combined use of these two processors, sound images can now be localized directly in front or back, to the left or right, or above or below — easily going well beyond the limited space defined by two speakers. 6 ■ PANEL DESCRIPTIONS « Front Panel » ® OPERATION LEVEL METERS © LINK SWITCHES (1-2/3-4) © MODE SWITCHES (D ELEVATION DIALS © ELEVATION INDICATORS © AZIMUTH DIALS ©AZIMUTH INDICATORS (§) CLPPING REMOTE CHANNEL NUMBER ® CLPPING INDICATORS ® CLEAR SWITCH REMOTE CHANNEL NUMBER © REMOTE CHANNEL SELECT SWITCH SEND SWITCH ® INITIALIZE SWITCH ©AZIMUTH DIALS Control orientation on the horizontal plane. When a dial is rotated, the perceived location of the sound source moves along the horizontal plane within an imaginary sphere that encompasses the listener at its center. The position of the dial's concavity indicates the orientation. * The orientation of the sound can be altered only after the concavity on the dial has been moved to match the position indicated by the LEO indicator (in the ring of LEDs surrounding the dial). * If the dial is turned too rapidly, the unit may not be able to accurately reflect the change in position. ©AZIMUTH INDICATORS These LEDs indicate the location of the sound source on the horizontal plane. During normal operation, they light to correspond with positions selected by rotating the Azimuth Dials. ©ELEVATION DIALS Control orientation on the vertical plane. When a dial is rotated, the perceived location of the sound source moves along the vertical plane within an imaginary sphere that encompasses the listener at its center. The position of the dial's concavity indicates the orientation. 'The orientation of the sound can be altered only after the concavity on the dial has been moved to match the position indicated by the LED indicator (in the ring of LEDs surrounding the dial). * If the dial is turned too rapidly, the unit may not be able to accurately reflect the change in position. © ELEVATION INDICATORS Indicate the location of the sound source on the vertical plane. During normal operation, they light to correspond with positions selected by turning the Elevation Dials. * The three-dimensional sound field is located on a sphere which has the listener at its center. On this sphere, the Azimuth could be thought of as the longitude, while Elevation corresponds to the latitude. Thus, regardless of where the Azimuth may be set, the sound image will travel directly above, then directly below the listener along with a complete revolution of the Elevation dial. Of the 360° of movement possible for both the Azimuth and Elevation, settings for the position of the sound image can be made in 3° steps. The indicators provide display of changes in steps of ...

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