ASCII Unicode
Character Encoding Code Point
Character Set ASCII Table
UTF-8 UTF-16

 

A character encoding standard that assigns a distinct numerical value to each character. A character encoding standard that is used to depict text in computers and other devices.
A unique number is assigned to each character in Unicode. The process of assigning a numerical value to each character is the act of giving a specific numeric representation to each character.
A visual representation, presenting the characters and their corresponding values, is known as a chart used to denote ASCII encoding. A grouping of symbols or letters that a computer or software can utilize.
A character encoding for Unicode utilizing 16-bit code units. A character encoding system known as variable-length encoding utilizes 8-bit code units to represent Unicode characters.

 

Binary Representation Bit
Black And White Images Pixel
Binary Image Monochrome
Contrast Sharpness

 

A basic unit of information in computing is represented by a value of either 0 or 1. A method of data representation that uses two digits, namely 0 and 1.
The smallest unit of a digital image, usually a square or a dot on a screen. Images that consist of only black and white pixels.
An image consisting of varying shades of a single color, usually black or white, but can also be other colors. An image that consists of only two colors, typically black and white.
The clarity and detail of edges and fine features in an image, often affected by the resolution and focus of the camera. The difference in brightness between the lightest and darkest parts of an image, often used to enhance the visibility of details.

 

Bitmap Resolution
Bit Depth File Format
Grayscale Image Intensity
Luminosity Histogram

 

The detail an image holds, often measured in DPI (dots per inch) or pixels. A raster graphics image that uses pixels to represent images.
The structure and method for storing digital data, affecting how images are handled and displayed. The number of bits used to represent the color of a single pixel in an image.
The brightness or darkness of a pixel in a grayscale image. A digital image in which each pixel is represented by a single sample, representing only shades of gray.
A graphical representation of the pixel intensities in an image. The brightness of an image or pixel.

 

Thresholding Grayscale
RGB Color Model Hex Code
Color Depth Additive Color Mixing
Hex Color Code 8-Bit

 

A color scheme that represents different intensities of gray, ranging from black to white. A technique used to convert a grayscale image into a binary image by dividing the pixel intensities based on a threshold value.
A six-digit code used to specify colors in the RGB color model. An additive color model used to represent colors on electronic displays.
The process of combining different colors of light in the RGB color model. The number of bits used to represent the color of a single pixel.
A bit depth that allows for 256 different colors or shades in an image. A six-digit code used to specify colors in the RGB color model.

 

16-Bit 24-Bit
Image Compression Lossy Compression
Lossless Compression JPEG
GIF PNG

 

A color depth that allows for approximately 16.7 million colors, commonly used in true color images. A bit depth that allows for 65,536 different colors or shades, providing a richer color representation.
Reducing the size of a file by sacrificing a portion of its data, leading to a smaller size yet reduced quality. Reducing the file size of an image while preserving its quality and visual information.
A widely employed standard for compressing images which uses lossy compression techniques to decrease file sizes. Reducing the size of data without any loss of information.
A file format employing lossless compression to store images, often utilized for web graphics and images that have transparent backgrounds. A lossy compression format used to compress animated images.

 

Bitrate Entropy Coding
Compression Data
Image Compression Artifacts Blockiness
Color Bleeding Noise

 

A data compression technique that assigns shorter codes to symbols that occur most frequently in a data stream. The number of bits that are processed or transmitted per unit of time, typically measured in bits per second (bps)
Facts or information that is represented in a form suitable for processing. The process of reducing the size of data by encoding it in a more efficient representation.
Visible grid-like patterns that result from dividing images into blocks for compression Unintended visual distortions or anomalies that occur in compressed images
Random variations or distortions introduced in an image during compression Blurring of colors or bleeding of colors outside their boundaries in a compressed image

 

Ring Artifacts Posterization
Aliasing Sound Representation
Audio Signal Amplitude
Frequency Waveform

 

Reduction of smooth gradients in an image to distinct bands of color due to compression Circular or ring-shaped distortions that occur around edges in compressed images
The process of converting sound waves into a digital form that can be stored or manipulated by a computer. Jagged or stair-stepped appearance of diagonal lines in compressed images
The maximum extent of vibration or oscillation in a sound wave, representing the loudness or volume of the sound. A representation of sound in the form of an electrical voltage that can be processed and analyzed.
A graphical representation of a sound wave showing its amplitude and frequency variations over time. The number of cycles or waves occurring in one second, determining the pitch of a sound.

 

Sampling Rate Digital Audio
Analog-To-Digital Conversion Condenser Microphone
Dynamic Microphone Frequency Response
Phantom Power Diaphragm

 

Sound represented in a binary format consisting of discrete samples taken at regular intervals. The number of samples of a sound wave that are taken per second to convert it into a digital form.
A type of microphone that uses a capacitor to convert sound into an electrical signal. The process of converting an analog audio signal into a digital form suitable for computer processing.
The range of frequencies a microphone can accurately capture and reproduce. A type of microphone that uses electromagnetic induction to convert sound into an electrical signal.
The thin membrane in a microphone that vibrates in response to sound waves and converts the vibrations into an electrical signal. The electrical power required by condenser microphones to operate, typically provided by an audio interface or mixer.

 

Binary Denary
Prefix Binary Prefix
Denary Prefix Byte
Kibibyte Mebibyte

 

A system of numerical notation using 10 as a base, with each place value written as a power of 10. A system of numerical notation using 2 instead of 10 as a base, with each place value written as a power of 2.
A prefix used to represent a specific number of bytes in computing, with the base being 2. A group of letters added at the beginning of a word to change its meaning.
A unit of digital information consisting of 8 bits. A prefix used to represent a specific number of bytes in computing, with the base being 10.
A unit of digital information equal to 1,048,576 bytes, or 2^20 bytes. A unit of digital information equal to 1,024 bytes, or 2^10 bytes.

 

Gibibyte Binary Search
Denary Conversion Binary Conversion
Binary Code Megabits
Megabytes Quantization

 

A search algorithm that works by repeatedly dividing the search interval in half. A unit of digital information equal to 1,073,741,824 bytes, or 2^30 bytes.
The process of converting a number from denary to binary notation. The process of converting a number from binary to denary notation.
A unit of data transfer rate equal to one million bits per second. A coding system that uses the binary digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.
The process of mapping continuous values to discrete values, often used in determining bit depth. A unit of digital information storage or transmission equal to one million bytes.