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Add DC Offset to Audio Signal After Amplifier Output ...
https://www.electro-tech-online.com/threads/add-dc-offset-to-audio-signal-after-amplifier-output.158518/
I have a 10W audio amp module that uses a TDA2050 IC operated at 12VDC. Being push'pull, the 10Vpp output is centered on the zero line. I would like to shift this up 5V so that the signal is entirely above the zero line. In other words, so it swings between 0 and +10V. I have a separate 5VDC...
DC Offset - AudioDope Free Audio Editor
http://www.audiodope.org/en/help/dcOffset.html
DC offset occurs when hardware, such as a sound card, adds DC current to a recorded audio signal. This current results in a recorded waveform that is not centered around the baseline. In some cases, when DC-Offset is present, glitches and other unexpected results can occur when sound effects are applied to the audio file.
DC Offset - Hack Audio
https://www.hackaudio.com/digital-signal-processing/amplitude/dc-offset/
Digital Signal Processing Amplitude DC Offset If multiplying a number by a signal scales the amplitude, adding a number to a signal performs an offset. From a waveform plot, addition shifts the value of every sample up (or down) by the same amount. The term, âDC Offset,â is commonly used by audio engineers to describe this operation.
DC offset and Audio Filtering â SoliCall
https://solicall.com/dc-offset-and-audio-filtering/
In many cases a DC offset is caused by the analogue parts of the system that add a DC current to the audio signal. Such analogue parts might be any analogue component that is part of the audio path like: the sound cards or the microphone.
voltage - Adding DC offset to a given input - Electrical ...
https://electronics.stackexchange.com/questions/370553/adding-dc-offset-to-a-given-input
There is a version where it doesn't invert the signal, but you can't add a DC offset easily. \$\endgroup\$ â hatsunearu. Apr 28 '18 at 0:38. Add a comment | 3 \$\begingroup\$ Consider a clamping circuit. Such a circuit can relocate the upper or lower extreme of a waveform to a predetermined voltage level.
Adding DC bias to signal? - Audio - Arduino Forum
https://forum.arduino.cc/t/adding-dc-bias-to-signal/65190
Although a signal would sound the same centered on 0 or 2.5 volts, the 0-5v signal would be clipped if put into the audio device. The dc offset just seems to limit the headroom of the mixer/recorder/whatever. Grumpy_Mike July 24, 2011, 10:18pm #12. 0-5v, but my audio device only has headroom for a signal that varies from -2.5 to 2.5 volts.
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