Theatre Design & Technology - Spring 1978 - 31

~~~~~~~~~~~~TO_nY_CO_Ur_~d_e_Book

Sound Recording by John Eargle. New York: Van Nostrand Reinhold
Co.. 1976, ISBN 0-442-22221-1, xi. 323 pp., ill us., 516.95.
Instructors in Communications or Theatre Technology continually
confront the problem of teaching students who would be considered
unprepared for their courses by the standards of any other department. One has to teach rigging to students who haven't taken Physics. engineering principles to students who've never had a Math
course. and basic audio to students who don't know what a logarithm
is. It's easy to develop an argument for a change in this situation, but
the reality is that there will probably be little improvement in the
future.
Artistic and technical training are traditionally, and probably appropriately pursued along different tracks. But our level of technical
training, even in graduate school, never approaches the thoroughness of an Engineering program or even an undergraduate program
in the sciences. It's fair to point out that much of technical theatre
should not be reduced to analysis with pencil and calculator. for both
practical and esthetic reasons. But a rigger who doesn't know what a
vector is, and a sound designer who can only interconnect components will each take many years to reach a real level of proficiency.
That invaluable development. which we call experience can be
greatly speeded by time spent on less glamorous fundamentals.
Sound Recording attempts to teach the basics of contemporary
recording technology with an absolute minimum of mathematics.
physics. or electronics. The result is an unusually readable scientific
textbook. A large amount of highly technical material is presented
clearly and simply. but without ignoring important principles. There is
an absolute minimum of equations, but the text contains many diagrams which demonstrate the points of the text clearly. Every graph
has an adjacent illustration of the situation or principle which produce its curves. and circuit diagrams are pared to their bare bones
very successfully. Perhaps 20% of the chapter references are to
introductory textbooks and magazines. rather than to engineering
journals which beginning students will shun.
The book begins with an extremely brief review of the physics and
math which are needed for the rest of the book. This is unquestionably the weakest chapter, as it is too skeletal for someone with the
background described above, and rather simple for a better trained
student who wants a review. Students without Physics will require
supplements like Part I of Backus' The Acoustical Foundations 01
Music. Unfortunately. even this painless tutorial on wave motion will
choke many theatre students. There is not much point in the next
chapter. "Psychoacoustics." unless the student knows what sound is.
This chapter discusses the Fletcher-Munson curves. image formation. sound fields and reverberation. and Beranek's classification of
subjective aural attributes of environments.
The rest of the text is a comprehensive survey of sound recording
for technicians who are not electrical engineers. This is in no sense a
negative comment. but an acknowledgement that the book is intentionally introductory. Chapters cover multichannel formats. microphones. monitor loudspeakers. signal processing and mixing. and
the details of tape and disc recording. The emphasis is on commercial recording of musical ensembles.
The discussions are thorough: even more so than one might hope
for given the length and level of the book. Contemporary practices
prevail. but historical background and alternative choices are considered. The chapter on quadraphonics objectively describes various
methods of recording and matrixing. The entire book makes comparisons between earlier 4-track practices and modern 16 or 24track recording. Most of the equipment is described as generically as
possible. This means. for example, that the chapter on microphones

USITT/Spring. 1978

Reviews

does not actually enable the reader to select a particular manufacturer and model for his needs immediately. But the avoidance of
brand names and the breadth of study make up for what could be
described as a lack of "practicality."
One section deals with two specific manufacturers. The chapter on
control systems ends with a brief description of two automated mixdown systems, Allison-API and Quad-Eight Compumix. At first this
section will confuse those unfamiliar with digital control techniques. It
is in fact an exceptionally well written explanation of a data processing technique. People without computer backgrounds are seldom
offered such a fine explanation of the intrusion of computers into
their fields. or one which is written in their own terms. This description also applies to the short-section on electronic editing and the
SMPTE code.
Instructors with older or simpler facilities for their students to use
may find the sections on control systems and signal processing
incomplete. As in the other sections, these subjects are treated generically. and no specific manufactured consoles are illustrated or
described. The block diagrams are exceptionally well done. and the
demonstrations do not suffer from this deliberate omission. Much of
the strength of the book is in its generality. Since most consoles are
custom-built. this plan is particularly well justified for these chapters.
But many students will feel unsatisfied unless they are able to visit a
modern installation or two.
Although every effort is made to avoid unnecessary derivations.
there are still some equations from trigonometry and basic mechanics in the text. And there is clearly little point in giving the book to
students who cannot deal with decibels. It is probably not possible to
write a better book on the state of contemporary recording for an
audience that may not be engineers. A simpler book. yes. but with the
expense of oversimplification and narrowed coverage. This book is an
excellent opportunity for narrowing the gap between sound "designers" of all kinds. and sound "technicians."
Timothy H. Buchman
Amherst College

Scenography and Stage Technology, An Introduction by Willard F.
Bellman. New York: Thomas Y. Crowell Co., Inc., 1977, ISBN 0-69000872-4. xiv. 625 pp. illus.. $15.00.
Willard F. Bellman's latest contribution to collegiate textbooks in
the field of technical theatre offers an interesting and attractive mixture of the old and the new. This is most definitely not just another
elementary backstage how-to-do-it book. Labeling the book an introduction. he aims his material at the beginning theatre technician
and artist; but his discussion of material in the various chapters
usually progresses beyond the beginner's level to that of the more
experienced practitioner in an easily readable. tightly organized
manner.
The publisher'S large-page format enhances the presentation of
the subject matter. Generous use of photographs stresses the practical application of technical concepts. and line drawings amplify the
text In a more concrete way. The latter are used effectively to clarify
complicated objects and not merely as a substitute for a lack of
appropriate photographs. Many excellent color plates provide added
impact. especially in the section on the esthetics of scenography.
Notable. also. is the inclusion of female technicians in photographs
and illustrations.
Bellman draws many of his technical facts from the realm of traditional "stagecraft," including its more recent ramifications, such as
metal work and plastics fabrication. He treats conventional topics
covered in stagecraft texts, such as plans for scenery construction.
hard and soft scenery. and three-dimensional scenery, in a concise

Theatre Design & Technology

29



Table of Contents for the Digital Edition of Theatre Design & Technology - Spring 1978

Contents
Theatre Design & Technology - Spring 1978 - 1
Theatre Design & Technology - Spring 1978 - 2
Theatre Design & Technology - Spring 1978 - 3
Theatre Design & Technology - Spring 1978 - Contents
Theatre Design & Technology - Spring 1978 - 5
Theatre Design & Technology - Spring 1978 - 6
Theatre Design & Technology - Spring 1978 - 7
Theatre Design & Technology - Spring 1978 - 8
Theatre Design & Technology - Spring 1978 - 9
Theatre Design & Technology - Spring 1978 - 10
Theatre Design & Technology - Spring 1978 - 11
Theatre Design & Technology - Spring 1978 - 12
Theatre Design & Technology - Spring 1978 - 13
Theatre Design & Technology - Spring 1978 - 14
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Theatre Design & Technology - Spring 1978 - 18
Theatre Design & Technology - Spring 1978 - 19
Theatre Design & Technology - Spring 1978 - 20
Theatre Design & Technology - Spring 1978 - 21
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Theatre Design & Technology - Spring 1978 - 29
Theatre Design & Technology - Spring 1978 - 30
Theatre Design & Technology - Spring 1978 - 31
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https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1971Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1971May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1971Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1970Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1970Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1970May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1970Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1965Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1965Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1965May
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