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WCU - Western Carolina University Publications

Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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Western Carolinian Volume 39 Number 55

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  • PAGE 6 THURSDAY MAY 2, 1974 THE WESTERN CAROLINIAN Hi-fi Notebook by Tom DeVesto I'd like to use the first installment of this column to explain some of the fundamentals of music. Without some basic knowledge of this sort, it would be impossible to understand what we are trying to achieve with the high fidelity reproduction of music, which is what Hi-fi is all about. We'll start with two of the most important characteristics of music, tone and loudness These characteristics must be preserved by any music system boasting of high fidelity. lust for clarification, when we refer to tone we are concerned with the characteristics which make one instrument sound different from another. This is due to the variety and relative intensities of the various pitches that make up a given sound. (I know this is starting to sound like Music Appreciation 1300, butbearwith me, I never said it would be easy.) Let's look at the tonal ranges of modern instruments in terms of their vibrations per secondor frequency. The chart below shows the scale of a piano (extended) with the ranges of some ither musical instruments marked in. Tie number below the scale represents the number of vibrations per second (frequency) that compose each tone. You'll notice if you look that most notes (pitches) generated by musical instruments lie between 30 vibrations per second and 4,000 vibrations per second. The overtones, those minute traces of higher frequency thai distinguish one musical instru ment from another, can extend up to 20,000 vibrations per se- • cond. Or to say it again, these minute high frequencies will let you distinguish, say, middle C on a violin from middle C on a trumpet. Middle C on the violin is really composed of middle C with minute portions of higher frequencies that give the violin its characteristic sound. What this means to someone who is interested in the repr >- duction of music should become clear at this point. Depending on the kind of instruments that you listen to, your music system should deliver good acoustic power down to somewhere in the 40 to 65 vibrations per second range. This system should also give equal reproduction from about 130 cycles up, That's the range where you'll hear all the delicately balanced overtones. To sunn up, if anyone is still with me, you can see from the chart that the Joan B.iez or Frank Sinatra vocal enthusiast may not need the 30 cycle bass response that the Keith Emerson ar Chopin piano fancier requires and must pay for. Let's switch from the correct intensities of various pitches or to the overall intensity of the music or loudness,(Here we go, kiddies, Music 1301), Audio engineers usually describe loudness by means of a decibel scale which shows the logarithmic ratio between sounds of different intensities. In simple terms this is the relative measurement of the dif ference in sound levels between two or more sounds. One decibel is about the smallest difference in loudness that the human ear can perceive. This chart shows a typical decibel scale with some common sound l.'vels to give you some idea of how loud loud is. We'll consider this starting point for the column, You may- find i: helpfu' to save this and subsequent columns in a safe place near the John, Header response will be greatly appreciated and Ln fact may be the determining factor in the ultimate success or fii'• ure of the column. Next week we will devote time to readers' comments and rebuttals. We will also start the 'How to Buy i Hi-fi* portion. Subsequent columns will go into in-depth studies on cartridges, turntables, amps, receivers, tape decks, etc. Address all mail to 'Hi- fi Notebook', Drawer A-l, Cullowhee, NX' "ONLY THE FINEST SHOES AT SCHULMAN>S DEPT. STORE OF SYLVA!99 Ladies "CONNIE" and "BASS WEEJUN" SANDALS CLOGS THONG STYLE (4/2-10) EARTH- LOOKS DRESS SANDALS LATIGO'LOOKS SCHULMAN'S OF SYLVA Cent§r Pharmacy <s*>* ">\i Horton, Pittillo to lead Saturday wildflower hikes There's some stranye and interestiny things over here... check it out! Dr, James H, Horton and Dr. J, Dan Pittillo will lead wildflower hikes, leaving from the Baptist Church parking lot and Business Building respectively at 9 AM, on Saturday. May 4. Dr, Barton's group will hike along Bryson Branch, a relatively easy hike. This is a very rich area with such species as trillium, larkspur, rare ferns on the limestone outcrops, etc. Dr. Pittillo's group will hike up Redbank Branch near Balsam Gap, a« cross several knobs and end at Deep Gap about 2 - 3 mi distant^ This area has not been searched and participants ma, have excitement of new discoveries for the area. This latter hike will be more difficult Anyone wishing to participate is encouraged to meet with the group at 8:45 AM and bring along a lunch. Center Pharmacy
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Western Carolina University Publications

The Western Carolinian is Western Carolina University’s student-run newspaper. The paper was published as the Cullowhee Yodel from 1924 to 1931 before changing its name to The Western Carolin...

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