Audio midterm
according to your book, an XLR connector is a filter used to reduce unwanted high frequencies in hand-held microphones
false
according to your book, it is easier to run an airshift on a virtual console, as opposed to using a standard console
false
compact discs produce cleaner sound signals initially but over time they exhibit noise after constant playing
false
despite the availability of satellite transmission and other technical advances, the authors suggest that network programming is on the decline
false
generally we say that audio is vibration through air or other media, whereas sound is the electrical signal used in reproduction or transmission like broadcasting
false
on a patchbay, a normal connection is one that has the outputs of a source and an input on the board internally wired together without the need for a patchcord
false
the generalization that satellite radio and HD radio have wildly exceeded industry expectations is
false
technically speaking, sound is not stored on magnetic audio tape. Sound energy is
first transduced into electrical energy and then those pulses are transduced into magnetic energy
The purpose of data error correction in the recording process is
to minimize the potential for problems that can arise while computers store or retrieve audio data
the microphone is a ______ that changes the motion of acoustical energy into electrical energy
transducer
CD-R, CD-RW, and DVD-R technology uses a laser to heat up or burn the light sensitive layer into a series of reflective and non-reflective areas
true
Each radio station must successfully log and receive three EAS alerts each month.
true
according to your book, 'terrestrial' radio is gaining shares of audience compared to Internet, iPod, and other digital media
false
according to your book, Minidiscs are easier and more flexible than digital workstations or computers using DAW software
false
compression schemes that reduce the size of audio files by the largest amount use _______ compression
lossy
anyone who manipulates sound to create and effect or deliver a message for radio is called a
producer
which of the following components is responsible for putting the signal over the air or turning it off?
"on buttons" or routing switches
common computer audio recording formats include all of the following except:
generally humans can hear frequencies as high as
20,000 Hz
according to your book, a commercial audio CD can hold approximately ______ minutes of music
75
the formula for constructing a format might include which of the following components?
All of the above
while many computers can 'burn' both CD-R and CD-RW discs but generally only ______ discs are playable on standard compact disc players
CD-R
Compression scheme most frequently used to transfer audio files over the Internet is called
MPEG audio layer 3
software that provides recording and mixing capabilities can turn a computer into
a digital audio workstation
in both analog and digital tape recording, the magnetic field produced by a tape head is called
a flux field
All sound is a combination of various waves. The most basic of combined waves is called
a fundamental
compact discs utilize which of the following technologies to collect information for playback?
a laser beam to read information encoded on disc
to prevent feedback from occurring whenever the operator opens a mic, audio boards must have
a muting system
professional mics most susceptible to plosive sounds such as 'B' and 'P' sounds would probably be
a ribbon mic
a graphic representation of the rarefactions and compression of a pure tone sound is called
a sine wave
the smallest sound level change that the human ear can hear is
about 2 dB
air pressure compression is formed when
air molecules are pushed together
Targeting specific audiences means
all of the above
With regard to how microphones respond different to sound frequencies the aspects of frequency response that a producer would evaluate would be
all of the above
super audio CD and audio DVD differ from standard CDs in that they
all of the above
which is one of the duties of the on-air producer talked about in your book?
all of the above
which of the following contribute to the station's 'sound' or identity?
all of the above
the purpose of a telephone hybrid to
allow talk show hosts to talk with callers on the air without feedback
the ______ of a sine wave indicates the volume of the sound
amplitude
the time it takes for a wave to make one complete cycle or a 360-degree rotation is called
an interval
in order to broadcast a program on one channel and simultaneously record a commercial on another, the mixing console must have
both a program and audition output
a string of digital words is called a
byte
according to your authors, radio personalities should
convey the impression of one-to-one conversation
the digital process starts with converting sound into
data
different parts of the broadcast day are called
dayparts
today in radio we use the word "format" to
define the radio station's blend of program elements
the ________ in a computer operating system becomes a map of where the data for all files are stored
directory
which of the following was NOT typical of early radio programming?
disc jockeys playing recorded music
podcasting means
distributing a program in an MP3 or other format via the Internet
a minidisc recorder _______ record data in sequential order
does not
according to our book, the terms 'pitch' and 'frequency' essentially mean the same thing and may be used interchangeably
false
make-believe ballroom is an interesting footnote in the history of broadcasting because:
it marked the beginning of radio broadcasting in its present form
your authors suggest that one way to avoid talking over a song with a false ending is to
label sound files to cue announcers about false endings
which of the following was not suggested by the authors for live, on-air production?
listening to the program output instead of the air monitor
A device called a __________ in a hard disk is an electromagnet that converts electrical energy into magnetic energy and vice versa.
magneto
the purpose of the ________ is to adjust the overall signal output of all channels on the board
master pot
which of the following statements about the MiniDisc is false
minidiscs received wide consumer acceptance
in digital audio consoles, the channel fader
modifies the value of the sound input data stream but does not actually pass audio
the MP3 recording system stores _______ audio material on a CD-R disc than the standard compact disc (CD) audio system
more
according to your book, it is _______ to run an airshift on a virtual console
more difficult
a ________ is a special jack on a patch panel that allows you to plug in several patchcords into one output and route the output to several inputs simultaneously
multiple
the standard commercial compact disc (CD-DA) format is
one that can playback but cannot be edited
the MP3 format files compresses a music sound-file using a mathematical modeling system known as:
perceptual noise shaping
which of the following correctly reflects statements the author make about noncommercial radio
public radio provides programming now generally available through commercial outlets
DAT machines use a method of recording called
pulse code modulation
as the samples of the audio signal's waveform are taken they are converted into binary numbers in a process called
quantization
which is not one of the advantages of digital technology for broadcasting purposes is
ratings for stations using digital technology may be lower than other stations
an example of a 'make good' would be
rescheduling a commercial that did not run correctly when it was scheduled in the log
Microphones change sound into electrical energy in different ways. The mic that responds to the difference in the pressure of the sound is called a __________ microphone.
ribbon
R-DAT machines use ____ heads to imprint magnetic pulses on audio tape.
rotating
generally, when an announcer runs the audio board instead of using an engineer to operate the equipment, we call that operation
running combo
_______ is the process of converting analog audio signals into numerical representations
sampling
"demographics" refers
statistical characteristics of human populations
this mic picks up sound only from the front of the microphone than the sides and the back. it has a(n) _______ pick-up pattern
super-cardioid
microphones that exhibit a 'proximity effect' will tend to
tend to boost the bass (lower) frequencies
which of the following statements does NOT apply to the VU meter?
the VU meter controls the audio output of the console
the electronic device that allows microphones and other analog devices to be used in a computer is the
the analog-to-digital converter
In referring to the "range" of a microphone, usually the producer is referring to
the microphone's frequency range
solid state and microchip technology had what impact upon radio?
they freed radio from bulky hardware making radio more portable
which of the following is NOT one of the purposes of the audio console?
to distribute the audio signal among various studios and/or stations
Even though the Emergency Broadcast System linked radio stations for federal emergencies, the new EAS system allows local officials to determine to use the system for weather and other local emergencies.
true
In radio today, speech closely resembles conversational speech. Announcers are expected to convey the impression of One-to-one communication with the audience.
true
In the playback process, the user can access information stored on a hard disk as the disk's heads retrieve appropriate data and send the data to the computer's random access memory.
true
Running a tight board means that there is hardly any space between the various sound sources used during an on-air performance.
true
a submixer is a smaller console that allows inputs to be ganged together before being fed into the console
true
according to the authors, radio stations depend on networks to serve as ancillary sources to supplement local news with national news and talk programming
true
according to your book, almost any computer can be programmed to function as a 'digital cart' machine
true
broadcast stations became part of the larger Integrated Public Alert and Warning system (IPAWS) in 2012
true
computer disk drive recording occurs when the head's magnetic flux leaves a magnetic imprint on the disk
true
controversial radio personalities like Howard Stern have moved to satellite radio
true
digital recording means using samples of sound to produce a recording that is stored in computer language
true
directionality in microphones is usually attained as a result of sound wave cancellation
true
in order to reproduce accurate sound, the sampling of audio must include both frequency and amplitude
true
radio stations frequently produce commercials in a production studio and then transfer files to digital cart machines using a file transfer program for on-air playback
true
the specific location on the magnetic tape where audio data is recorded is called a track
true
today an increasingly important area of radio station operations is promotion
true
today, satellite radio with more than 100 channels of programming is redefining radio by offering new niche formats
true
according to your book, the sampling frequency for quality digital recording is approximately _______ than the highest frequencies humans can hear
two times higher
which of the following is NOT a feature of the audio console?
user headphones
ESPN radio or other network music services are generally distributed to radio stations
via sattelites