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Sampling Rate

In digital signal processing, sampling refers to the reduction of a continuous signal such as speech into a discrete signal (i.e., a series of numbers or digits). Similarly, sampling rate is the rate at which samples of a continuous signal are taken and converted into a digital form, typically expressed in samples per second (Hz). This entry discusses the process of sampling in the context of the digital recording of speech.

In the field of speech and language pathology, it is often important to analyze the spoken output of an individual with a speech disorder for both clinical and research purposes. However, speech is a fleeting event; the airborne acoustic waves produced by the speaker’s articulators, and received by the listener’s ears, quickly vanish. In order ...

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