Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [stereo]

Reproduction of an audio (stereophonics) or a video (stereoscopics) signals, through two separate channels.

Disambiguation:

  • Stereophonics - related to audio transmission, where an audio signal is "split" in two channels, typically right and left, since the intent is to give the human ears a sensation of multiple sources of sound.

  • Stereoscopic - Analog to stereophonic, but applied to images and video signals, with the intent to create 3D images.

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What is it that strips vocals from audio when a 1/8" audio jack is partially unplugged?

Every once in a while, my eighth-inch audio jack will slip loose and I'll seemingly lose only the voice part of a track -- leaving somewhat of a "karaoke" version. What I would guess about how audio plugs work suggests that I'd be making this up;…
editor
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Accidentally downmixed stereo to mono, why does this work?

I have a cheap Chinese Bluetooth audio amplifier like this: It has four screw terminals for the speaker connections, namely L+, L-, R+ and R-. I accidentally connected a single speaker to L+ and R-, and was surprised to find that I could hear both…
Bas
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Why is this 3-way speaker wired this way?

I found a service manual of a pair of 3-way speakers that were part of a mini integrated stereo system. These are Sony SS-H77 speakers, which have served me very well back in the day. Looking at the wiring diagram (below), there is something very…
ysap
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Using diodes to mix 2 audio signals into one set of speakers

I have the audio output of 2 computers connected to only one set of speakers. Each computer uses one of these external USB sound cards: And I use this splitter cable to wire the signals together: The whole thing works, but with some minor…
GetFree
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Raspberry Pi stereo camera frame synchronization/genlock (video or still image)

I need to frame synchronize a stereo camera for a computer vision application. The synchronization should the best possible, hopefully on a millisecond level. I would like to get about 10 FPS either as video or still images. Resolution requirement…
Kozuch
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Volume control for power amplifier

Recently we installed some speakers into our church's ceiling. I've worked a little bit with analog circuits before, so I thought about putting a volume potentiometer before the amplifier. I don't know if this circuit will cause any issues with the…
ACEHOBOJOE
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Volume gets lower when left and right audio channels are combined

I noticed that the volume of a speaker gets slightly lower when combining the left and right channels versus having ONLY one of the 2 channels connected to the speaker. I know that combining the left and right audio channels by simply soldering the…
Stelios Liakopoulos
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DIY Aux In connection to car stereo JVC KD-G151

I would like to connect my phone via jack cable (aux in) to my car stereo, which has no aux input (brand: JVC KD-G151). It is a CD player, so i wrote a silent disk to operate the cd player, and tried to figure out the connection points for the input…
davidszasz91
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Mono jack output to stereo headphones : how to send the mono signal to both sides?

I have a 3.5mm jack mono output. I'm plugging standard stereo headphones into this jack, and it plays only on one side. I want the sound to come out on both sides in the headphones (same signal, but in both ears). How can I cut and wire so that the…
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How can I synchronize the framerate of two webcameras. Is it even possible?

Pretext I am currently playing with stereo vision (two cameras capturing images simultaneously) for my robot hobby project. There are a few traits that is important when processing the images captured for stereo, and the most important of all is…
Mr. Developerdude
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Summing Audio Channels

I’m trying to sum my car stereo output. Factory output has bass on one output and mid and tweeter on another output giving me 2 channels for left and 2 channels for right. Ideally I’d like to sum them together and would of used something like a PAC…
Phils Channel Various Stuff
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Why are only 3 pins connected on a dual gang pot?

First post on this platform... I am wondering if anyone knows why in some DJ Mixers (e.g. Pioneer) which use dual gang pots for channel faders, only 3 of the 6 available pins are connected. Also, looking at the schematics it looks like one of the 2…
Phil
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What's the best way to mute summed stereo channels?

I am building an audio mixer, and most of the instruments produce mono signals (internally split to L/R), but want to make sure it is flexible enough to use true stereo devices, and sum to mono in my design. I was previously using 4.7kΩ resistors to…
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Metal enclosure for custom car stereo project

I'm thinking about developing a custom car stereo, and it surprised me that there's no DIY enclosures for this purpose. I've just found plastic boxes in the 1 DIN size which can be installed into an empty radio apartment of the car to hold stuff,…
NagyI
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Can I "duplicate" a stereo signal to 5 channels? Are there any impedance issues?

A friend of mine has an old 5.1 audio system. The amplifier of the system has 5 cables as inputs to be connected to the audio source. My friend actually uses some cable splitters to send the stereo channel to each one of the 5 channels (yes, it's…
Noisemaker
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