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A programmable sound generator (PSG) is a sound chip that generates (or synthesizes) audio wave signals built from one or more basic waveforms, and often some kind of noise. PSGs use a relatively simple method of creating sound compared to other methods such as frequency modulation synthesis or pulse-code modulation .
The related OPN2 was used in Sega's Mega Drive (Genesis), Fujitsu's FM Towns Marty, and some of Sega's arcade boards (e.g. Sega System C-2 and Sega System 32) as one of its sound generator chips. FM synthesis was also used on a wide range of mobile phones in the 2000s to play ringtones and other sounds, using the Yamaha SMAF format.
Likewise, list includes music RSS apps, widgets and software, but for a list of actual feeds, see Comparison of feed aggregators. For music broadcast software lists in the cloud, see Content delivery network and Comparison of online music lockers .
It can be most any wave shape and most any frequency from a few Hz to about several kHz and can range from a half a volt to a maximum of five volts. The Texas Instruments SN76488 "complex sound generator" is a sound chip produced by Texas Instruments, similar to the Texas Instruments SN76477 but with internal audio amplifier.
In electrical engineering, a function generator is usually a piece of electronic test equipment or software used to generate different types of electrical waveforms over a wide range of frequencies. Some of the most common waveforms produced by the function generator are the sine wave , square wave , triangular wave and sawtooth shapes .
A noise generator is a circuit that produces electrical noise (i.e., a random signal). Noise generators are used to test signals for measuring noise figure, frequency response, and other parameters. Noise generators are also used for generating random numbers. [1]
A signal generator is one of a class of electronic devices that generates electrical signals with set properties of amplitude, frequency, and wave shape. These generated signals are used as a stimulus for electronic measurements, typically used in designing, testing, troubleshooting, and repairing electronic or electroacoustic devices, though it often has artistic uses as well.
Unit generators often use predefined arrays of values for their functions (which are filled with waveforms or other shapes by calling a specific generator function). In the SuperCollider language, the .ar method in the SinOsc class [ 6 ] inherits methods from an overarching unit generator class (UGen) [ 3 ] that generates a sine wave .