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DIY Audio Switch : 9 Steps (with Pictures) - Instructables
https://www.instructables.com/DIY-Audio-Switch/
DIY Audio Switch: A while back I got an old data switch off Freecycle and I've been eyeing it ever since and thinking "I should really convert that to a stereo audio switch." And so, after about a year of looking at it, I finally converted that old data switch into a…
DIY Students: Automatic Switch For Audio Power Amplifier
https://diystudents.blogspot.com/2013/04/automatic-switch-for-audio-power.html
Automatic Switch For Audio Power Amplifier Circuit of an automatic switch for audio power amplifier stage is presented here. The circuit uses stereo …
Arduino Audio Switch : 4 Steps - Instructables
https://www.instructables.com/Arduino-Audio-Switch/
Arduino Audio Switch: Inside my shelter i've a 5.1 Bose surround system and a couple of Yamaha NS-10M Studio speakers. I needed to drive them with only one power amplifier, so i needed a custom audio switch between speakers and LFE too. Instead of a typical mechanic swit…
automatic audio input switcher | Hackaday.io
https://hackaday.io/project/2282-automatic-audio-input-switcher
Basically, the system will detect which audio input has a signal, and switch to it using a solid state MUX. The project is in early state. Prototype circuit works on a breadbord. First test PCB done and sent to the factory. Operations: Stereo input is muxed using 10k resistors and AC coupled into an amplifier. (100x)
Automatic audio switch? : diyaudio
https://www.reddit.com/r/diyaudio/comments/r9tvty/automatic_audio_switch/
2. level 1. mondomandoman. · 28 days ago. Seems like you could use the same circuit as a peak indicator. Set the threshold appropriately low, and then use some logic circuitry to switch to whichever input is peaking. You would need to latch so the channel doesn't switch back off.
Auto sensing on/off switch - diyAudio
https://www.diyaudio.com/community/threads/auto-sensing-on-off-switch.334994/
I am looking for a switch that senses the line-level audio signal, switches on an amplifier when there is a signal, and turns the amplifier off when there is no signal for a while. Yes, there is the Rod Elliot #38 circuit, which does exactly that ("Signal Detecting Auto Power-On Unit"). However, I am too lazy to make a PCB for it.
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