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Firstly, do any and all processing in WAV files. If your source material is on CD, then rip to 44.1kHz/16bit WAV and process at 24-bit in your software. Do not transcode via mp3.
Tracks like 104b should be discarded. There is nothing you can do with files like this. The studio has not done their job properly. They have recorded the transfer with input ...
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Buffer underrun might have caused that distortion to the audio.
Buffer values can be increased in the audio driver section of the software or DAW you're using so that the issue disappears when exporting.
There's no easy fix to samples exported with digital artifacts but you can treat them as intermittent noises or clicks and use restoration software like ...
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Yes, you can definitely fix the majority of the pop on that one by effectively removing the DC offset that is in there.
Most DAWs will let you do this - it can be a bit fiddly, but the aim is to zoom in as much as you can to see where the DC offset starts, and remove it. From your graph it looks like it was suddenly applied to both channels and then ramped ...
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Amplification of the digital signal won't make any difference to the de-noising process other than introduce the possibility of signal clipping, which will further degrade the signal. Recommend you don't do this. Just work with the original signal. Feel free to increase the monitoring level, but not the signal processing level.
dB is not a absolute ...
1
In general, to lift consonants, you have to push back the vowels, otherwise things can just get 'fizzy'.
You could try this with EQ - lifting somewhere between 1 - 4kHz, but I think that's more likely to over-emphasise T's & S's than R's, resulting in 'fizzy'.
I'd go for a compressor - particularly a multiband compressor.
This will allow you to ...
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This is a problem that occurred during the original recording. Sounds very much like the tape capstan rubbers are slipping and the tape is not being kept up-to-speed during the recording.
There is only one piece of software that has any hope of fixing this, and it's "Capstan" from Celemony (makers of Melodyne). Make sure you are sitting on a good solid ...
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The list of activities you describe is pretty much the right way to approach this, although data corruption is not an easy artifact to correct.
I would recommend removing any DC component as the first step, then proceeding to declip so that declip can operate symmetrically across the signal.
As long as you are gentle with the denoise you are probably going ...
1
What you want is to create an audio file that, when played through a speaker that distorts, somehow compensates for that distortion.
That's generally impossible, because the distortion is an unpredictable, chaotic 'signal' that's added to your audio. It depends on the exact volume of the audio, the loudspeaker, other sounds in the room, and (because you're ...
1
You need to post an example.
This could be due to low quality variable bitrate - and those "bits" are just gone. Trying to boost the missing areas will just bring forth bad artifacts.
If this is an old recording or something hard limited (by RMS), you may get lucky using a sidechained multiband updward expander: using the low frequencies as sidechain key ...
1
To solve problems with existing audio, best thing you can do is download Reaper. It is "free" to use (after 60 days it will start asking you if you want to buy, you can click continue). There's a plugin called "ReaFir" which has a subtractive mode where you let it loop over a selection of the audio that has the noise so it can profile it and then it pulls ...
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Start with the highest resolution format that you have the recording in (mp3 is not ideal) - in reducing noise you are degrading the sound so you constantly have to question whether what you're doing is more damaging than what you have. ie. is the fan sound more annoying than noise reduction artefacts.
So anyway I had a go at reducing the noise:
Have a ...
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Honestly, no not really. You're best bet is layering multiple samples together. If you only have, and can only get the one sample, you might try creating your own multiple versions with extremely slight offsets few milliseconds and a harmonizer or similar to +- a few cents on each track not the original. I don't know how well that will really work but it's ...
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Pressed records, although stronger than a cut lacquer, are still susceptible to damage, especially the grooves. So you're very well likely out of luck. If you can hear the damage, then you do have surface the damage, because you will hear whatever the needle is tracking, both good and bad.
I believe there are cleaning solutions which can be used with ...
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There are a few things you can try but it's impossible to say without actually having the sound file in front of me. All of these suggestions will make you recordings sound messy and unprofessional but might help separate the voice from the reverb.
There are usually expander presets in dynamic processor FX. The dynamic processor might also be called a ...
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