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Author Topic: MilkyTracker audio quality  (Read 11908 times)

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qnio

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MilkyTracker audio quality
« on: July 26, 2007, 06:18:21 »

hello.
i notice a huge decrease in my .wav sample's sound quality (they're PCM uncompressed, 44100khz, 16bits, mono samples, i.e. a kick or a snare) when creating patterns in milkytracker or rendering them to .wav

i'm using ASIO4All as driver, 35ms buffersize, interpolation & volume ramping are checked, 44100hz as mixer resolution and linear frequencies.

is it milkytracker or my configuration?

thanks for reading
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Kmuland

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Re: MilkyTracker audio quality
« Reply #1 on: July 26, 2007, 10:55:29 »

can you post links of audio examples for check?
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m0d

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Re: MilkyTracker audio quality
« Reply #2 on: July 26, 2007, 11:22:50 »

you can attach small zip files of clips to your forum post. max 512kb

click 'additional options' at the bottom of the window when replying
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qnio

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Re: MilkyTracker audio quality
« Reply #3 on: July 27, 2007, 06:28:52 »

ok, here's 2 .wav files: one rendered in milkytracker and the other on ableton live.

the pattern, as you might easily recognize, is a simple amen break chopped up in audacity. the same samples are used in both "sequencers" (since milkytracker is... a tracker), with no extra effects. all slices are PCM uncompressed, 44100khz, 16bits, mono.
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Kmuland

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Re: MilkyTracker audio quality
« Reply #4 on: July 27, 2007, 12:58:49 »

ok I dont have here decent speaker system for check.. and yes, I notice that the volume is different on both versions, but not the quality

Try to render the milkytracker wav file using higher amp setting (200% or 400%)...

Im not sure if ableton do a render applying a normalize.. or if it have an autogain feature while export..

Anyway there is no audio downgrade... its just a matter of volume... so you can try applying normalize with an external audio editor to the milky rendered wave and compare again with ableton output
« Last Edit: July 27, 2007, 13:02:28 by Kmuland »
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qnio

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Re: MilkyTracker audio quality
« Reply #5 on: July 27, 2007, 20:51:34 »

now they're at the same volume (i set the volume to 4x when exporting on milkytracker), and i still hear a difference on the quality

here are the samples
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m0d

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Re: MilkyTracker audio quality
« Reply #6 on: July 27, 2007, 21:37:58 »

The milky recording has less high end frequencies thus sounds flatter and less brighter than the Albeton one. So to confirm, something is going on here.
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qnio

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Re: MilkyTracker audio quality
« Reply #7 on: July 28, 2007, 04:06:49 »

The milky recording has less high end frequencies thus sounds flatter and less brighter than the Albeton one.

exactly.
i picked ableton just as a kind of "generic" DAW, for comparison purposes.
the goal of this thread is, since i like milkytracker a lot, to verify (and correct) this, IMO, flaw; thus making the software better.
thanks for reading. i'll be checking this topic
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jimee

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Re: MilkyTracker audio quality
« Reply #8 on: July 28, 2007, 09:17:34 »

Did you try without interpolation? Interpolation is a mathematical operation which acts as a low-pass filter. It could (on least cases) cut freqs above Samplerate/4.
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Deltafire

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Re: MilkyTracker audio quality
« Reply #9 on: July 28, 2007, 11:07:26 »

The Ableton Live sample is louder and exhibits more clipping than the Milkytracker sample. I suggest you compare with the original WAV instead of Ableton's rendered output. As well as the high frequency attenuation, Milkytracker is playing the sample slightly slower than Ableton - but once again we need to compare it to the original.

Also try disabling linear interpolation as jimee suggests.
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