6
votes
Accepted
Convert dB value to linear scale
Practical version
dB → gain-multiplier:
g = 2d / 6
gain-multiplier → dB:
d = 6 · log2(g)
I find these definitions far more handy than the ones below: changing the amplitude ...
- 6,056
5
votes
How to change volume of a .wav file in a mp3gain-like way?
ReplayGain tags aren't standard in WAV files, so you have to alter the PCM data with the required gain.
As per my reading of the Replaygain specs, a correctly implemented Replaygain scanner will ...
- 694
4
votes
Accepted
Certain tracks have wacky volume on certain speakers?
Phase cancellation is a common cause of confusion for many audio professionals, sometimes this is caused by a channel becoming inverted for some reason. Maybe this answer can help you, and other ...
- 2,516
4
votes
Accepted
How to adjust the volume level of the track when the automation points are already set?(Ableton/Logic pro)
To move the whole automation, you have to select the entire area of the automation first, then move it.
BUT..
This is a common problem, that pretty much everyone solves the same way.
Do not under ...
- 674
4
votes
How can I eliminate sounds below a certain threshold?
It really depends on the material; are these sounds that you want to remove truly peaking at a lower level than every bit of the speech? How about in loudness or 'energy'?
You need to look into the ...
- 2,516
3
votes
Accepted
What property of sound disturbs us?
Change is typically "disturbing". A sharp change of amplitude (a crash, a scream, an explosive sound, etc.) Or even sudden quiet after moderate but steady background noise will disturb some people. ...
- 1,869
3
votes
Accepted
Best volume setting for audio capturing
Gain-staging without meters…
Turn your output device [in this case your phone] up gradually, turning down your listening levels as you do this to keep the sound comfortable.
If you start to hear ...
- 8,405
3
votes
Normalize waveform level in Audacity
There's a difference between Normalisation to absolute loudness & perceived loudness.
Standard Normalisation is absolute. It will turn the track up until the highest single peak reaches 0dBFS [...
- 8,405
3
votes
Accepted
Why do relatively small but high-frequency pressure changes cause hearing loss, but large but slow pressure changes don't?
The ear has a "high-pass" filter removing very low frequencys. If you go very fast up or down the eardrum may rupture, but it will heal. If you go slower pressure is equalized through the ...
- 1,519
2
votes
Certain tracks have wacky volume on certain speakers?
This might be due to a phase problem,
With your headphones and speakers the audio source is still really near so you fully enjoy the space emulation without loosing level.
When you are far from your ...
- 1,103
2
votes
Accepted
Why are levels so different on popular music tracks I open in my wav editor?
Basically, you're right with all your points.
The level between different albums can indeed be dramatically different, depending on how agressively it was mastered. Records from the early days of CDs ...
- 6,056
2
votes
Accepted
Is there a function to randomize the volumes of a MIDI Clip on Ableton Live?
There is a “Velocity” MIDI effect in Ableton Live, with a patch called “Add some random.” Place this MIDI effect onto the channel that you want to randomize.
- 621
2
votes
Accepted
Temporary increase in signal/sound level/volume?
This is partly a mic-technique issue for the person talking and singing - they need to be a lot closer to the microphone than they currently are. Vocal microphones such as SM58 are designed for hand-...
- 8,815
2
votes
Easy way to remove spikes for the audio of a video file?
Your first problem with mixing this is that you have the main dialogue source panned hard left. I suspect you have a lavalier or remote wireless mic on the left channel, and camera mic on the right. ...
- 8,815
2
votes
Accepted
USB sound card not detecting Shure mic
Computer microphone inputs, both the built-in kind and the external USB kind, are designed to be used with relatively high-output electret condenser microphones. But that dynamic mic (Shure SV100) is ...
- 1,869
2
votes
Accepted
What unit can be used to define "loudness" across multiple programs?
The international consensus seems now established that loudness measure should be done according to ITU R BS.1770.
Algorithms to measure audio programme loudness and true-peak audio
level
It is ...
- 2,834
2
votes
Accepted
How can I eliminate sounds below a certain threshold?
I doubt you will get an acceptable result with a simple gate setup: while you may get rid of low volume breathing sounds, it will also chop away natural endings.
Noise reduction plugins with noise ...
- 3,782
2
votes
Percent volume increase to decibels
VLC's volume to dB curve is not linear. If you increased it from 100% to 110%, that is a change of +2.5 dB.
Source: I also wanted to know the dB for a given percent level, so I measured it:
- 1,894
2
votes
Accepted
How to increase mixdown volume
You might want to apply compression to individual tracks, track groups (rhythm+bass) maybe even the whole mix. Compressor is widely used to narrow down dynamic range which, among other things, makes ...
- 156
2
votes
Does ayasugi bori affect the sound in a musical instrument ? if so, how?
Only a non-answer for now:
I searched on this issue for weeks, and found no research or publication that investigate what Ayasugi or other sound box patterning actually do (in English at least). In ...
- 121
2
votes
Accepted
How to reduce loudness from -7 Lufs to -14 lufs
Simply reduce the output gain by 6.5dB - that will get you from -7.5LUFS to -14LUFS. Job Done.
- 8,815
2
votes
Behringer x32 Out 1-16 levels
I think so, yes. Route both L and R to one matrix bus, and assign that to Out 1.
That depends on how you provide a signal to the Out port: Out 1-16 is just the output assignment. You set the volume ...
- 1,578
2
votes
What is the difference in controlling volume through the software application, the system, and hardware?
This is known as gain-staging.
In a pro environment this is done by watching the meters at each stage, setting levels to give the highest signal without ever going near distortion (leaving headroom). ...
- 8,405
2
votes
How to input noise values in dBFS for ffmpeg silence detect
The trouble is, there's no such thing as 'dB'… well, of course there is but dB on its own is a measure of relative loudness, not absolute.
See https://en.wikipedia.org/wiki/Decibel#...
- 8,405
1
vote
How can I eliminate sounds below a certain threshold?
Yes sortof maybe.
Special plug ins can help a lot depending on the exact problem.
The only correct thing to do is to get a better recording.
Teach the speaker/vocalist how to use the mike to avoid ...
1
vote
How to check the decibel level of my headphones connecting to my windows laptop?
Yes - there are many ways, ranging from accurate, but expensive decibel meters down to free mobile apps. Your challenge will be to try and measure in a way that accurately represents what the ear will ...
- 5,954
1
vote
How to create intentional audio feedback loops with level volume
I work with feedbacks as a creative tool every time. It's a powerful and very wide topic as it was said. There are some elements of the puzzle that needs to be tweaked VERY sensitive to achieve ...
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