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As the signal simply "cuts" or "clips" at the maximum capacity of the amplifier, the signal is said to be "clipping". The extra signal which is beyond the capability of the amplifier is simply cut off, resulting in a sine wave becoming a distorted square-wave-type waveform. Amplifiers have voltage, current and thermal limits.
However, this reflected signal causes problems for a modem, which is unable to distinguish between a signal from the remote modem and the echo of its own signal. For this reason, earlier dial-up modems split the signal frequencies, so that the devices on either end used different tones, allowing each one to ignore any signals in the frequency ...
A noise signal is typically considered as a linear addition to a useful information signal. Typical signal quality measures involving noise are signal-to-noise ratio (SNR or S / N ), signal-to-quantization noise ratio (SQNR) in analog-to-digital conversion and compression, peak signal-to-noise ratio (PSNR) in image and video coding and noise ...
This is added to the signal applied to the input of the next stage. In audio equipment, the 50 or 60 Hz interference may be heard as a hum in the speakers. In a video system it may cause distortion or syncing problems. In computer cables it can cause slowdowns or failures of data transfer.
Programming the PC Speaker, by Mark Feldman for PC-GPE. Programming the PC Speaker, by Phil Inch: part 1, part 2 (includes a very detailed explanation of how to play back PCM audio on the PC speaker, and why it works) Bleeper Music Maker A freeware to use the PC speaker to make music (superseded by BaWaMI) Beep for Linux and Windows, by Frank ...
Audio signal flow is the path an audio signal takes from source to output. [1] The concept of audio signal flow is closely related to the concept of audio gain staging; each component in the signal flow can be thought of as a gain stage. In typical home stereo systems, the signal flow is usually short and simple, with only a few components.
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Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an undesired signal component from the desired signal component, as with common-mode rejection ratio.