تعريف sampling rate في الإنجليزية الإنجليزية القاموس.
In developing an audio sound for computers, the sample rate is the number of samples of an analog sound that are taken per second to represent that sound in a digital format The more samples taken per second, the more accurate the digital representation of the sound can be For example, the current sample rate for CD-quality audio is 44,100 samples per second This sample rate can accurately reproduce the audio frequencies up to 20,500 Hertz (cycles per second) covering the full range of human hearing
A digital audio sample is recorded at a bit depth (or resolution) and a sampling rate According to the Sampling Law the sampling frequency must be twice the bandwidth of the sampled signal Hence a 44 1kHz sample will sample frequences up to about 22kHz (above the range of the human ear) Back
The rate at which a waveform audio driver performs audio-to-digital or digital-to-audio conversion For compact disc - digital audio (CD-DA), the sampling rate is 44 1 kHz See also compact disc - digital audio
The number of samples taken per unit time, i e , the rate at which signals are sampled for subsequent use, such as for modulation, coding, and quantization Deprecated synonym sampling frequency (188)
The frequency with which samples of a physical variable, such as sound are taken The higher the sampling rate, the more closely the digitized result resembles the original
The number of samples taken per second Typical sampling rates vary from 11kHz to 48kHz See sampling, Nyquist frequency
The number of sound 'snapshots' the recording equipment takes each second Submitter: Lorena's Group Go to the Glossary Index Computers and Sound Page Audio Page Flash: Audio Movie 1 Flash: Audio Movie 2 Flash: Sound Movie
the rate at which samples of a waveform are made Must be twice the highest frequency one wishes to capture Commercial compact discs use a rate of 44,100 samples per second
The interval that amplitude measurements (samples) of a source are taken at in a digital recording A digital recording will not accurately measure frequencies above half of the sampling rate The higher the rate, the more real the sound sounds
The number of times per second the program converting analog to digital "listens" to the analog signal See Bit Depth
The number of samples obtained in a digitization process per unit of time or distance
The number of times an analogue waveform is measured or sampled per second to convert it to digital
Sample rate is the rate at which a digital audio device samples the full analog sound wave Digital audio is a representation of the full wave - it's takes a series of "snapshots" of the wave, and the more snapshots it takes, the more accurate it sounds The higher the sampling rate, theoretically the more accurate it sounds CD Audio and Minidisc are standardized at 44 1KHz, or 44,100 samples per second, while DAT can do 32, 44 1, and 48KHz Super Audio CD, DVD-Audio, and High Resolution DAT can go up to 96KHz
The time interval which specifies how often amplitude measurements (samples) of a source are taken at in a digital recording A digital recording will not accurately measure frequencies above half of the sampling rate The higher the rate, the more real the sound sounds
The number of discrete sample measurements made in a given period of time Often expressed in megahertz (MHz) for video
The number of points of data, in pixels per inch, that are created by a scanner per linear distance In this book, sampling rate means the optical sample rate changed by interpolation or subsampling Also called ppi rate See also optical sampling rate