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Topic: Hardly describable volume issue (Read 7229 times) previous topic - next topic
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Hardly describable volume issue

Hello,

I'm observing some audio artifact during playback of some kinds of content, especially with strong bass range. The other frequency ranges are being like suppressed during bass in effect (for ex. expressive drums), resulting in periodic weakening and amplifying back the mid and high range. Firstly thought that's a speakers problem but the same artifact I can hear on internal speakers too. Especially noticeable on internet radios with high bass boost.
Looks like only foobar issue as I don't encounter the volume irresolution with other players (tried KMPlayer for movie with equalizer enabled).

Using foo equalizer DSP with emphassized bass and treble, no other DSPs. Seems the artifact fades out with no DSP, but I can't be without equalizer as the basic sound is very flat for me.

My equalizer preset here:


This is used Audio card: Realtek HD Audio.
Audio card setting: Audio model(2.0), Audio effects: environment - none, equalizer(Rock), default audio format 24/48kHz.

Using this speakers model: Genius SP-HF 1800A 2.0.

Thankful for any workaround solving this issue, hopefully my desription identifies the issue well.

Hardly describable volume issue

Reply #1 –
foobar2000 1.x + Vista/Win7 + DirectSound output?

workaround#1: File->Preferences->Playback. Set preamp to -20 dB
workaround#2: add Advanced Limiter to the end of DSP chain.

Hardly describable volume issue

Reply #2 –
I suspect it’s because your EQ contains many amplified frequency bands, which are likely to lead to clipping, and perhaps this is being limited/compressed at some point along the signal chain. Does “Auto level” alleviate the problem? I could be totally wrong.

Hardly describable volume issue

Reply #3 –
Third Workaround: Click "Auto level"

Hardly describable volume issue

Reply #4 –
In addition to the above tips, I notice that you've set your audio card equalizer to "Rock." I would guess that also boosts bass, probably magnifying your foobar settings. Try turning that off.
That's so plausible, I can't believe it.

Hardly describable volume issue

Reply #5 –
Quote from: Anakunda on
Hello,

I'm observing some audio artifact during playback of some kinds of content, especially with strong bass range. The other frequency ranges are being like suppressed during bass in effect (for ex. expressive drums), resulting in periodic weakening and amplifying back the mid and high range. Firstly thought that's a speakers problem but the same artifact I can hear on internal speakers too. Especially noticeable on internet radios with high bass boost.
Looks like only foobar issue as I don't encounter the volume irresolution with other players (tried KMPlayer for movie with equalizer enabled).

Using foo equalizer DSP with emphassized bass and treble, no other DSPs. Seems the artifact fades out with no DSP, but I can't be without equalizer as the basic sound is very flat for me.

My equalizer preset here:


This is used Audio card: Realtek HD Audio.
Audio card setting: Audio model(2.0), Audio effects: environment - none, equalizer(Rock), default audio format 24/48kHz.

Using this speakers model: Genius SP-HF 1800A 2.0.

Thankful for any workaround solving this issue, hopefully my desription identifies the issue well.


Of course there's going to be some artifacts, look at your curve... never have anything above 0db, don't boost the sound past 0 because it will just distort, instead, move the entire waveform if you will down so that your peaks are zeroed. That's what I do. Also don't be overbearing with your curve... find a happy medium. My eq curve in foobar is completely zeroed except for 20khz which is at -1 db just because I think the treble from my cheap surround system sounds fake...

Hardly describable volume issue

Reply #6 –
This is exactly why there is an Auto level button, to reduce the entire curve so the highest level is +/- 0 dB.

Hardly describable volume issue

Reply #7 –
Okay thanks for all suggestions, I'll give a try to autolevel.

Hardly describable volume issue

Reply #8 –
Wouldn't reducing the amp gain have the same effect as the proposed workarounds?

Hardly describable volume issue

Reply #9 –
Quote from: Dom Di Stroia on
Wouldn't reducing the amp gain have the same effect as the proposed workarounds?


The amp gain comes after the Windows normalizer, so no, it cannot have the same effect.