17 lines
1.5 KiB
Markdown
17 lines
1.5 KiB
Markdown
# tuning samples
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loading a new sample into Furnace is easy... but getting it transposed and tuned to match the song can be tricky at first.
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it's important to remember that the "Hz" and "Note" as shown in the sample editor are unrelated to the note heard in the sample itself. a sample shown as having a "Note" of C-4 will use a sample rate of 4181, even though it may contain a note played at a different pitch than C.
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for this example, we'll use a sample of a note played at E and recorded at 22050Hz.
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- if needed, use the "Create instrument from sample" button to make an instrument to use in the track.
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- calculate the semitone difference in Hz between the note your recorded sample is playing and C. in this example, the nearest C is 4 semitones down from E.
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- set "Note" to 4 semitones lower than it shows. in this case, it starts at `F-6`, so set it to `C#6`.
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- or, use a pitch calculator like https://www.omnicalculator.com/other/semitone. input Frequency 1 as 22050Hz, input -4 semitones, and receive a Frequency 2 of 17501.10Hz. enter that value into "Hz".
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- now, using the "Preview sample" button should play the note at C. entering an E in the pattern will now play it at or near E.
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- if the sample still sounds out of tune, adjust "Hz" or "Fine" to bring it in line.
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if notes seem "capped" – for example, playing anything over D-6 sounds like a D-6 – those notes exceed the maximum sample playback rate for the chip. the only solution is to use "Resample" to change the sample to a lower rate.
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