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🥣 My Magic « Recipe »
The version 2 of my Recipe didn't satisfied my ears !!
So , now I'm cooking the version 3, 4, 5, etc ...
For now, I use only these 2 MDX models : « Int HQ 3 » & « Kim Vocal 2 »
(I know some people prefer the « Voc_FT » model, but personally I found it muddier than Kim Vocal 2 in my tests)
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| Step | Filename |
|---|---|
| 1 - Normalization of Original audio | 1 - NORMALIZED.flac |
| 2 - Instrumental Extraction (with A.I.) from Normalized | 2 - Music_extract.flac |
| 3 - Volume Compensation for Instrumental | (internal) |
| 4 - Subtraction of Instrumental from Normalized (remove Music) | 3 - Audio_sub_Music.flac |
| 5 -FINAL Vocal Extraction (with A.I.) from "Audio_sub_Music" | 4_F - Vocals.flac |
| 6 - Volume Compensation for Vocals | (internal) |
| 7 -FINAL Subtraction of Vocals from Normalized | 5_F - Music.flac |
| 8 - Bleeding Vocals/Other in final "Music" | 6 - Bleeding_in_Music.flac |
Details of each step :
1️⃣ Normalization of Original audio
- Normalize audio to -1.0 dB peak amplitude
This is mandatory because every process is based on RMS dB levels.
(Volumes Compensations & audio Substractions)
2️⃣ Instrumental Extraction from Normalized
You will understand that I only use this model to extract the instrumental part to have at most a clean vocals, but it is not used in the final result.
In all my tests, I saw (in Audacity) & heard that this helps to reduce the artifacts in the final Vocals result.
- Use the MDX model to isolate the instrumental parts of the audio track.
3️⃣ Volume Compensation for Instrumental
- Internal step involving volume compensation for the extracted instrumental.
4️⃣ Subtraction of Instrumental from Normalized
The instrumental part is then subtracted from the previously normalized to obtain an audio track with only vocals.
- Isolate the vocal parts.
5️⃣ Vocal Extraction from cleaned "Audio_sub_Music"
- Use the MDX model to isolate the vocal component of the music track, removing any remaining instrumental or background noise.
6️⃣ Volume Compensation for Vocals + « Silent »
- Internal step involving volume compensation for the extracted vocal audio.
- Pass the result trough the « Silent » filter (read below ...)
7️⃣ Subtraction of Vocals from Normalized
The vocal parts are subtracted from the previously normalized to obtain an audio track with only instrumental music.
- Isolate the instrumental component from the original audio normalized.
8️⃣ Bleeding Vocals/Other in "Music"
The bleeding vocals or other elements are obtained by subtracting 1st "Music_extract" track from the final "Music" track.
- Obtain an audio track that contains any residual vocal or other elements present in the final instrumental music.
These steps collectively represent the audio processing workflow, which separates vocals and instruments from a music track and handles various audio adjustments and filtering.
Some steps involve internal operations without generating separate output files.
If you want to better understand, you can pursue your reading into : 💡 Technical Details
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