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Topic: Can different encoders give you different volume levels? (Read 4380 times) previous topic - next topic
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Can different encoders give you different volume levels?

Will different encoders give you different volume levels?

Will different encoders give you more bass, etc?

Is there a way to measure volume level easily?

Thank you

Can different encoders give you different volume levels?

Reply #1 –
Ideally, each MP3 encoder will produce output that sounds identical to the original audio material. There might be some differences in volume levels, but if this happens, the MP3 encoder is doing it wrong. One way to measure volume level is ReplayGain, which analyzes volume according to how our brain hears it, producing a figure that allows us to compare roughly how "loud" two different tracks are.

Can different encoders give you different volume levels?

Reply #2 –
Quote from: Canar on
Ideally, each MP3 encoder will produce output that sounds identical to the original audio material. There might be some differences in volume levels, but if this happens, the MP3 encoder is doing it wrong. One way to measure volume level is ReplayGain, which analyzes volume according to how our brain hears it, producing a figure that allows us to compare roughly how "loud" two different tracks are.



are there music editing programs that measure the volume of the song?

Can different encoders give you different volume levels?

Reply #3 –
Usually audio editors can display the RMS levels (expressed in -dBFS RMS) with its meters or with some sort of analyzer. WaveLab, for instance, has an off-line analyzation feature that scans a loaded file and reports on its RMS level, its peaks, errors, etc.

Otherwise, you may be able to use a meter plug-in to the same effect if your editor/DAW supports them.

Can different encoders give you different volume levels?

Reply #4 –
The problem is that human frequency response is not flat, so unless your wave editor or plugin can compensate, you're really not measuring volume in the way a human would perceive it.

ReplayGain, OTOH, does compensate.  Maybe you can find a ReplayGain or similar plugin for your editor.

Can different encoders give you different volume levels?

Reply #5 –
so lets say you have 2 mp3s and want to see which is louder whats the best method?

Can different encoders give you different volume levels?

Reply #6 –
Install/open foobar2000. Compute ReplayGain values for both MP3s (select both -> right click -> ReplayGain -> Scan Per-File Track Gain). Enjoy.

Can different encoders give you different volume levels?

Reply #7 –
Or simply use MP3Gain to scan the files (and to adjust the volume, if you wish to).