Digital media final

If 24 bits are used as bit depth in the RGB color model, which of the following combination will be for color yellow?

(255, 255, 0)

What is the non-drop code that represents the 999th frame in a video with frame rate being 25?

00:00:39:24

What is the binary number for decimal value 55?

110111

If 9 bits are used as color depth in RGB color model, how many different colors can be encoded?

512

Which of the following image formats is not good for web applications?

BMP

A sound with higher ___ is perceived to have a higher INTENSITY.

Decibels

Which of the following is the television broadcast standard for US and Japan?

NTSC

Pixel is short for

Picture element

Which of the following is not correct?

RGB and CMYK Color Space encompass all the colors human can see

Rasterization means ______.

converting vector graphics into pixel-based images

If a frame with pixel aspect ratio 1.0 is displayed on a device using pixel aspect ratio of 1.2, the image will look as if it has been _____.

stretched horizontally

Which of the following compression methods achieves higher compression for videos without much motion difference such as for talking heads?

temporal compression

When more quantization levels are used (by using more digits to represent samples), what happens?

you can distinguish samples with subtle differences among them, and thus achieve better quality;

When a high sampling rate is used in the digitization process, the benefit is?

you catch more details;

If red is to be printed on white paper using CMYK color model, the intensity combination of Cyan, Magenta and Yellow should be ______.

(0, 100%, 100%)

What should be the HSB combination for pure red color?

(0, 100, 100)

What is the non-drop code that represents the 99999th frame in a video with frame rate being 25?

01:06:39:24

The number of bits needed to represent each pixel in a black and white (i.e. two colors only) image is

1 bit

What is the file size for a 10-minute CD-quality stereo music audio file? Choose the closest one.

100 MB

If we consider human ear's most sensitive range of frequency (2,000 Hz to 5,000 Hz), then what is the lowest sampling rate may be used that still satisfies the Nyquist Theorem?

11,025 Hz AM Radio Quality/Speech

According to Nyquist's theorem, to be able to reconstruct the sound wave of highest frequency of 6,000 Hz, he sampling rate of the audio must be at least _____ Hz.

12,000

What is the decimal value of the binary number 1101

13

You have a digitally sampled audio file that was sampled at 30,000 samples per second. What is the highest frequency that this sampled file can faithfully represent?

15,000

The number of bits needed to represent each pixel in a 4 color image (that is the image contains only four different colors) is

2 bits

For an average person, the highest pitch he/she can hear is

20,000 Hz

When 8 bits are used as bit depth for colors, how many different colors can be encoded?

256

What is the file size of a 10 second long video of fram size 640 by 480, frate rate of 30 fps and bit depth of 24bits without compression?

263MB

The frame rate for the NTSC video with colors is _____ frames per second.

29.97

If you want to encode only 8 colors, what is the minimum number of bit(s) you need?

3

What is the data rate for a video with file size of 2GB of 10 minutes in duration? Choose the closest one.

3.3 MB/second

Without applying any compression, what would be the file size for an image of 4000 X 3000 pixels in 24-bit color depth?

34.3MB

If a waveform has 1000 cycles in 2.5 seconds, the frequency for this waveform is

400

If 12 bits are used as color depth in RGB color model, how many different colors can be encoded using 12 bits?

4096

To achieve the highest compression ratio just using YUV color subsampling, which of the following should be used?

4:1:0

To achieve 50% compression ratio just using YUV color subsampling, which of the following should be used?

4:1:1

What is the file size for a 5-minute CD-quality stereo music audio file? Choose the closest one. (CD quality means 44,100Hz sampling rate, 16 bits sound depth; stereo means 2 channels).

50 MB

What is the file size of a 20 second long video of fram size 640 by 480, frate rate of 30 fps and bit depth of 24bits without compression?

526MB

your original picture is 5" x 4" and you want to scan the picture to print as 10" x 8" at 300 ppi, what scanning resolution should be used?

600 ppi

Without applying any compression, what would be the file size for an image of 2000 X 1000 pixels in 24-bit color depth? Choose the closest one.

6MB

Music is digitized by a two step process. Sampling and quantization. In quantization,

Amplitude values from each sample are mapped to the nearest value on a scale of discrete levels

Which of the following animation techniques is more dynamic, allowing animation to respoind to user interaction?

Animation by scripting

When trying to reduce file sizes, which of the following approaches does not reduce file size at the cost of quality loss?

Apply lossless compression.

What color will be printed on a piece of white page if full intensities of cyan and magenta are used under white light?

Blue

Given a 10 second video which is 100Mega Bytes in size, if you paly this video on a device that can handle a 7MB/s data rate, the playback of the video will be _______.

Choppy

All of the following are examples of 2D animation except

Claymation

A video file with small file size cannot have a large data rate.

False

For streaming video, a copy of the video file viewed will be saved on the user's hard disk after playback.

False

A sound with higher ___ is perceived to have a higher pitch.

Frequency

What color will be printed on a piece of white page if full intensities of cyan and yellow are used under white light?

Green

Which color model matches how colors are intuitively perceived by human?

HSB

Which color model matches how colors are intutively perceived by human?

HSB

Which of the following image file format uses lossy compression?

JPEG

Choose the one that is NOT one of the three predominant formats for delivering digital animation:

Key frames

Object starting and ending instantaneously, moving at a constant speed is an example of _______________.

Linear interpolation

Which of the following support the DVD-video, HDV, and HDTV standards?

MPEG-2

Sound is digitized by a two step process: sampling and quantization. In sampling,

Sampling rate is set so that amplitude of sound is measurared that many times per second of time.

Cel animation is a form of animation that Walt Disney perfected in the 1930's. Which popular animated show uses a computer-based form of cell animation?

The Simpsons

Animation created from 3-D models built inside a computer using software that is much like Blender is another animation technique. Which popular animated show uses this form of animation?

Toy Story

According to Nyquist's theorem, to be able to reconstruct the sound wave satisfactorily the sampling rate of the audio must be at least _____ of the audio frequency to be recorded.

Twice

Which of the following images is better saved with a bit depth of 24?

a picture taken by a camera

RGB color model is ___________ and CMYK color model is _______.

additive; subtractive

In the quantization step, to capture an analog image to a digital image, ___.

an infinite number of color shades and tones in an analog image is mapped to a set of discrete color values

Digitization means converting ______ information into _______ information.

analog; digital

Which is not the consequences of higher image resolution?

bigger bit depth

In digital audio, higher resolution means higher ___.

bit depth

Digital data is _____ and analog information is _____.

discrete; continuous

Increasing the sampling rate from 22.05 KHz to 44.1 KHz will _____ file size. (Assuming all other things being equal and no file compression)

double

Which of the following techniques is NOT related to GIF image file formats?

lossy compression

In digitization process, to save space as much as possible, you would prefer to use _________ and ___________.

lower sampling rate and less quantization levels;

Which of the following is the most common color model for video?

luminance-chrominance

RGB color model is used mainly on _________; CMYK is used mainly on ____________.

monitors; printers

Eight bits equals

one byte

A waveform is a graphical representation of the ___ fluctuations of a sound wave.

pressure-time

Several high definition video camcorders are available to record 720p and 1080i formats. The letters "p" and "i" in each format name stand for _____ and _____ respectively.

progressive; interlaced

The reduction of a digital audio file size cannot be achieved by ___.

reducing the pitch of the audio

Interpolation in Flash is called:

tweening

What color does combination (255, 255, 255) generate? What color does (0, 0, 0) generate?

white; black

What color does combination (227, 227, 227) generate?

light gray

Flash supports its own version of quadratic interpolation which is called:

easing in and out

There are so many different digital audio file formats/types to choose from. Which of the following considerations help with choosing the right format to use?

file size consideration, intended audience consideration, whether used as source file consideration.

Which of the following can be used to increase the quality of digital media?

increasing sampling rate

The comb-like artifact in a digital video occurs in the _________ video.

interlaced scan