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DC biasing audio signal - Electrical Engineering Stack ...
https://electronics.stackexchange.com/questions/14404/dc-biasing-audio-signal
It is also the solution that most audio circuits use. Unless you are wanting pro-audio levels of performance, this is the method that I would recommend. The "correct" solution would be to have a separate power rail that is at the bias voltage. Run your audio signal through a DC blocking cap then have a resistor to the bias power rail.
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.
Audio AC coupling and DC bias - Page 1 - EEVblog
https://www.eevblog.com/forum/projects/audio-ac-coupling-and-dc-bias/
Re: Audio AC coupling and DC bias. « Reply #1 on: June 17, 2010, 06:50:14 am ». If power supply pins of the MUX are connected to unipolar supply (+5V and 0 V for instance), then you definitely need the VCC/2 biasing on the signal. As a general rule, an input signal to the any IC should not exceed supply voltage (of course there are some ...
Best tool for removing DC bias? - Gearspace.com
https://gearspace.com/board/mastering-forum/956637-best-tool-removing-dc-bias.html
If DC offset isn't changing during playback (only after change of audio path before A/D), subtraction can work well for removal. I don't know Audition, but if i remember it correctly from venerable CoolEdit, DC removal was part of amplification effect and it subtracted calculated amplitude mean for all samples in selection.
Need explanation for DC bias, coupling and offset? | All ...
https://forum.allaboutcircuits.com/threads/need-explanation-for-dc-bias-coupling-and-offset.64321/
Yes, DC bias is the same thing as a bias voltage generally. Most circuits have some required biasing conditions in order for them to operate properly. For example, a single transistor audio amplifier will often require some DC voltage levels to be established at the terminals of the transistor to put it in (or near) the active region of operation.
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