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AUDIO_EXPANDER - Audio_Circuit - Circuit Diagram - SeekIC.com
http://www.seekic.com/circuit_diagram/Audio_Circuit/AUDIO_EXPANDER.html
This audio processor is based on the Signetics/Philips TDA3810N stereo, spatial, pseudo-stereo processor, IC. This processor uses a Philips TDA3810IC device, and it functions as an expander, pseudo stereo processor, and audio enhancer. Pseudo stereo is obtained by routing various frequencies to each channel via active filters
Audio Compander Circuit - ElectroSchematics.com
https://www.electroschematics.com/audio-compander-schematic/
Received by Email. This audio compander circuit schematic is equiped with NE575 produced by Signetics, it is working with a 3 – 7V battery and has a current consumption of 3.5mA at 3V and 5mA at 7V. The companding process ( input compression, output as expander) is improving the signal/noise ratio on a communication line. NE575 contains 2 ic’s , pins 1 to 9 …
Expander Compressor Unit Circuit | Compander - Engineering ...
https://bestengineeringprojects.com/compressorexpander-unit-compander/
The circuit expander compressor furnishes both the functions-compression and expansion (often expressed by the term compander)-easily. The expander compressor uses an opto-isolator. The LED from the opto-isolator is connected to the speaker terminals via a current limiting resistor in conjunction with potentiometer VR 1 to sample the program ...
Audio Dynamics 101: Compressors, Limiters, Expanders, …
https://www.izotope.com/en/learn/audio-dynamics-101-compressors-limiters-expanders-and-gates.html
In this article, we’ll demystify the compressor and other dynamics processors. We’ll cover the four main types of plug-ins used to control dynamics: limiters, compressors, expanders, and gates. We’ll discuss the mathematical processes behind these tools, how they affect the sound, and the best scenarios in which to use them.
Volume range expander circuit - RCA CORP
https://www.freepatentsonline.com/2305873.html
In the drawing, Figure 1 is a schematic circuit diagram of an 55 audio frequency amplifier system for phonograph record reproduction provided with a volume range expander control circuit embodying the Invention, Figure 2 is a schematic circuit diagram of a portion of the circuit of.Fig. 1 with certain of the circuit elements and connections rearranged whereby the operation of the …
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