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Removing the DC Thump in Audio Circuits caused by Dc currents
http://www.zen22142.zen.co.uk/Design/dcthump.htm#:~:text=Most%20audio%20outputs%20have%20some%20standing%20DC%20voltage,Audio%20components%20using%20transformer%20coupling%20are%20not%20affected.
DC Blocking for Powering Audio - KCC Scientific
https://www.kccscientific.com/dc-blocking-for-powering-audio/
DC (direct current) is the absolute enemy of power transformers. A vast majority of audio equipment (particularly high-end audio equipment) has an input power transformer. Any reasonably efficient power transformer is going to have high magnetic mu in order to minimize size and optimize primary to secondary coupling.
voltage - Which capacitor for DC blocking in audio ...
https://electronics.stackexchange.com/questions/182505/which-capacitor-for-dc-blocking-in-audio-applications
For audio applications (as opposed to decoupling) there really aren't any high frequency transients to deal with, so a capacitor with a self-resonant frequency well above the audio range should be sufficient. An electrolytic capacitor is of course polarized, and only useful if the DC+signal is always unipolar.
Removing the DC Thump in Audio Circuits caused by Dc currents
http://www.zen22142.zen.co.uk/Design/dcthump.htm
The capacitor will block this DC voltage while allowing the AC or audio to pass. Audio components using transformer coupling are not affected. The input to an amplifier may have a capacitive input or just a volume control. When switching inputs, charge is transferred through the switch as the charge on the capacitors reach equilibrium.
DC Block – audiolab
https://www.audiolab.co.uk/dc-block/
DC Block. The DC Block has been designed to improve the quality of AC electricity that feeds our audio and AV systems. Mains electricity has a fundamental influence on the audio signal as it passes through a system, from source to amp to speakers. The mains supply in a typical dwelling is subject to interference induced by a range of issues, causing the AC waveform to distort …
Urgent : how to set "DC input " block to pass audio of -92 ...
https://ez.analog.com/audio/f/q-a/3601/urgent-how-to-set-dc-input-block-to-pass-audio-of--92-dbfs
Hi all, My ADAU1442 has three different audio sources. I also have fail over mechanism in my DSP project file ( DSP layout) to switch to another audio source
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