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21 votes
Accepted

Why does ffmpeg's conversion from mono to stereo lower the volume?

1 - It seems that FFmpeg attempts to respect a common pan law (when routing a centered mono track to a stereo track, lower the mono signal by - 3 dB on each channel of the stereo track). The goal is ...
audionuma's user avatar
  • 2,844
5 votes

Convert mono output to stereo?

There are two answers to your question. Simple answer has been given by ObscureRobot here. I only add to make sure your source already completely summed to mono, otherwise the right channel will be ...
Banana452's user avatar
4 votes
Accepted

Faking depth and stereo separation?

It depends on what you mean by “cleaner” really. Is this a professional or amateur recording? If you just want to improve the recording, then there are many things you can try. EQing to get a better ...
n00dles's user avatar
  • 2,619
4 votes

Convert Mono to Stereo before or after editing?

I just came up with a rule of thumb. I don't know if it is is really any good or not, but maybe worth considering. If you are taking things away (cleanup) better to do it in mono. If you are adding ...
Phil Freihofner's user avatar
4 votes

Research question 6.5mm jacks connecting to macbook pro headphones

You have the wrong adapter. You have a signal splitter rather an a dual mono to stereo converter. 3.5mm and 6.5mm jacks have multiple possible configurations of the connector. The most common are ...
AJ Henderson's user avatar
  • 8,182
3 votes

Field Recording: Stereo vs. Mono

The answer is MS, or Mid-side. There are 2 types of "ambiance" situations that are very different. The first is dialogue recording with mono mics. Mono ambiances from those mics are needed to patch ...
BloodyEl's user avatar
  • 131
3 votes

Convert speaker stereo mix to headphone

You could have a look into processing the recordings with the help of a binaural panning tool such as the one included in Logic. You would import the two channels of your audio files as two seperate ...
742617000027's user avatar
3 votes

How do you split stereo to left/right mono for dual stereo speakers?

I have solved my problem by using a 3.5mm to RCA splitter, then splitting each left/channel again with another RCA splitter (making 2 left channel RCAs, 2 right channel RCAs), then merging both RCA ...
olivierr91's user avatar
3 votes
Accepted

Why would the BBC have a requirement for recording dual mono?

This is often the case where you have a single microphone feeding two channels of input. The reason for this is that it reduces the risk of a single channel of audio going to air as part of a stereo ...
Mark's user avatar
  • 8,900
2 votes

How to connect old stereo system to pc?

The "Tape" input is effectively identical to "Aux". It is almost certainly an ordinary line-level input. It should be trivial to connect the speaker or headphone or line output from your computer to ...
Richard Crowley's user avatar
2 votes

What causes the background hissing in speakers?

The hissing on my stereo was simply an extension cord wrapped round a speaker cable. It had been used for Christmas lights. When I removed the extension cord the hissing was gone. I tried the ...
Ken Gittins's user avatar
2 votes

Sound coming from behind using stereo field

A short list of things to think about from your recording: Bass correction - If the mic was close, the bass is going to be boosted. A low-shelf of down to -20db (likely less) at around ~100Hz can ...
Seph Reed's user avatar
  • 145
2 votes

Can I plug a balanced stereo quarter inch jack into an unbalanced mono input?

Let's start with what's right (though likely by accident). The SM57 is a dynamic microphone not needing phantom power (otherwise the scheme would be doomed to failure without a separate phantom power ...
user20264's user avatar
2 votes
Accepted

How can I convert a mono file to stereo (same audio on both channels)?

The key is to start with cursor at the beginning and just your mono track - make sure it's selected by clicking it. Then click [CTL] C to copy it. Next, click below the track so nothing is selected. ...
macmac's user avatar
  • 34
2 votes

Are actors' voices in the 2.0 sound positioned in correspondence with where we can see them in the video?

This is not a field I work in, though I am a [retired] sound engineer & currently work in the TV/film industry, so it's one where I watch & listen to the results of other people's work a lot, ...
Tetsujin's user avatar
  • 8,701
2 votes

Can I connect a bass guitar directly to my mixer?

That the channel is "stereo" is really not important as long as you use the L/mono input. But there are other things to consider: The load impedance (mixer input impedance) should be higher than the ...
Michael Hansen Buur's user avatar
2 votes

How do I 'widen' my PC's stereo?

While stereo image is somewhat determined by the speaker itself , the actual room and surroundings play a very large role. Stereo image can feel narrower when various things happen in the surrounding ...
frcake's user avatar
  • 1,574
2 votes
Accepted

How to achieve stereo width on choruses?

You achieve this by recording the vocals twice and pan each track to each side (L/R). So pretty much the classic double tracking technique, only you do not sum them to mono. The minute differences ...
Michael Hansen Buur's user avatar
2 votes

Loud hiss coming from speakers when on line input

Possibly a ground loop? You can purchase a ground loop lifter for less than ten euro online. Even if this isn't the issue I personally think they are a handy tool to have in the box come the day ...
uchtp's user avatar
  • 66
2 votes

How do you split stereo to left/right mono for dual stereo speakers?

You want to duplicate the signal on both the tip and ring of each speaker. So basically, Source Left (tip) gets wired to tip and ring on the left. Source Right (ring) gets wired to tip and ring on the ...
Mark's user avatar
  • 8,900
2 votes

How do you split stereo to left/right mono for dual stereo speakers?

I know it's been a year since the OP, though it looks like no easy solution was found. What you want is known as a DJ Cable. As the name implies, typical use-case is for splitting headphone and ...
David Luper's user avatar
2 votes

What joint stereo bitrate is equivalent to 64k mono?

Joint stereo is only really useful for actual stereo recordings. What you are recording here (with two microphones on a table) is actually dual-mono, which is very different to "stereo" as there is no ...
Mark's user avatar
  • 8,900
2 votes

Do mobile phones etc. convert stereo music to binaural for earbud listening?

No, they do not. It might be possible to cross-connect a short delay across the left and right channels in order to simulate two speakers in front of the head, but this is generally not done. The left ...
Mark's user avatar
  • 8,900
2 votes

Export or save audio on Cubase 10.5

Based on Nuendo... You should be able to do an Export -> Audio Mixdown which will allow you to select an output channel of a particular format (mono, stereo, whatever) to allow you to export the ...
Mark's user avatar
  • 8,900
2 votes
Accepted

Creating single channel sound (left or right) with no audio bleed into the other channel

This is called crosstalk: the signal on the left channel leaks into the right channel. When you have 2 audio circuits (left and right) close together without being shielded, the electromagnetic fields ...
Hobbes's user avatar
  • 1,728
2 votes

"Uneven" yet even panned pairs- is this a common practice?

It's common enough to use disparate mics on an acoustic. Personally I'd use a U87 on cardioid near the sound hole pointing approximately at it [tweak position to avoid boominess] and a flat, broad ...
Tetsujin's user avatar
  • 8,701
1 vote

Losing sound quality from CD (phono) to mixer (jack)

The wiring of the plug to the adapter is wrong. The loss of sound quality you are hearing is basically because you are listening to L-R in mono which will negate the centre-panned vocals. You need ...
Mark's user avatar
  • 8,900
1 vote

Faking depth and stereo separation?

Click on the name of the track and from the drop down menu select "Split Stereo to Mono" Pan the top channel 70% left. Pan the bottom channel 70% right. Click the beginning of the wavelength ...
Rocknrollchuck's user avatar

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