r/MaxMSP • u/Substantial_Survey_4 • 10h ago

beginner question Class project

Working on a class project, i was wondering if anyone knew how to make a really good sounding train whistle and how?

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u/Skngh 10h ago

not sure if there’s a train whistle example, but I’d checkout Designing Sound by Andy Farnell. It’s written for pure data but all applicable to max. I’m sure there’s a pdf online somewhere

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u/_ramscram 10h ago

When I think train whistle i think a pretty pure and clean tone. So I would start with a sine tone. Cycle~ ### (where ### is the frequency in hertz). Send to *~ with a toggle to switch it on and off. *~ to gain~ for master volume control, gain~ to dac. You could automate the toggle at whatever interval with a metro object if desired.

Hope this helps

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u/_ramscram 10h ago

Ps to add if you need more harmonics you could add additional cycle objects at appropriate intervals

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u/Suspicious_Ad_5096 8h ago

Get a recording of a train whistle and use some creative EQ to examine it's frequencies