Chapter 12 Flashcards
Select the connector that permits digital signals to be transferred between a digital sound device and the sound card without converting them to analog?
SPDIF
What is the most important factor to consider for high-performance MIDI?
The number of hardware voices that can be supported
Audio can be upgraded on a laptop computer by using A USB-based audio card
True
What does the author suggest should not be left near computer speakers for extended periods of time?
Recorded tapes
Watches
credit cards
__________ is a measurement that indicates the accuracy of an audio adapter’s sound reproduction.
THD
What are the ways that audio hardware adapter hardware can be implemented in today’s PC?
Expansion card
External bus device like USB or Firewire
Audio controller integrated into the motherboard, in chipset, or along with sound codec
All of the above
If you are having difficulty running legacy software that requires legacy audio support, the author suggests that you use a(n) __________.
virtual machine
The rate at which sound vibrations are produced is a property of sound called __________
pitch
Volume can be controlled on most recent sound cards via the Windows ___________ ___________ speaker icon in the system tray on the desktop( 2 words )
control panel
With the introduction of Windows Vista , Direct X no longer included audio application APIs. These APIs became part of the Windows Vista Core Audio APIs
True
What is the possible problem if a computer won’t start after an audio adapter has been installed?
Audio adapter not completely inserted in the expansion slot
Name two ways that MIDI can create the voices (instruments) it uses to play music.
Recorded samples of an actual instrument (wavetable adapters)
FM synthesizer
Where does the author say the best location for a subwoofer is?
On the floor, in a corner or near a wall
___________________ is the ratio of the signal amplitude to the unwanted ambient circuit sounds (noise)
SNR (signal-to-noise ratio)
Which of the operating systems listed below supports DirectX 3D audio?
Windows Vista
Windows 7
Neither A nor B
A program called a _____________ can both reduce audio file size and return an audio file to its original size.
Codec
What type of microphone does the author suggest for recording voices (talking) only?
An inexpensive microphone that covers a limited range of frequencies
What was the name of the sound card that became a de facto standard in the early days of PC sound?
Sound Blaster Pro
_________________ is a process that turns audio sound waves into digital signals
Sampling
What is the name of the algorithm that is widely used for reducing audio file size? \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ compression (do not use acronym)
Adaptive Differential Pulse Code Modulation
