2023/01/18

NarrowingDelay

Download (github.com)
Source Code (github.com)

NarrowingDelay is a delay with serially connected pitch shifter and frequency shifter on feedback path. The spectrum of input signal can be narrowed or expanded for each feedback. It is more suitable for sound without stable pitch. Note event can be used to control frequency shift amount.

This one is made without much thought, and I have no concrete idea when to use it. From a bit of experimentation, I found that it can add some ambience for high frequency sounds like hi-hats. Feedback was set to low in this case. Perhaps the dissonance is hard to perceive in high frequency range.

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ใƒ€ใ‚ฆใƒณใƒญใƒผใƒ‰ (github.com)
ใ‚ฝใƒผใ‚นใ‚ณใƒผใƒ‰ (github.com)

NarrowingDelay ใฏ็›ดๅˆ—ใซใคใชใ„ใ ใƒ”ใƒƒใƒใ‚ทใƒ•ใ‚ฟใจๅ‘จๆณขๆ•ฐใ‚ทใƒ•ใ‚ฟใŒใƒ•ใ‚ฃใƒผใƒ‰ใƒใƒƒใ‚ฏ็ตŒ่ทฏใซ่จญใ‘ใ‚‰ใ‚ŒใŸใƒ‡ใ‚ฃใƒฌใ‚คใงใ™。ใƒ•ใ‚ฃใƒผใƒ‰ใƒใƒƒใ‚ฏใฎใŸใณใซ้Ÿณใฎใ‚นใƒšใ‚ฏใƒˆใƒฉใƒ ใ‚’ๅ‘จๆณขๆ•ฐ่ปธใฎๆ–นๅ‘ใซๅบƒใ’ใ‚‹、ใ‚ใ‚‹ใ„ใฏ็‹ญใ‚ใ‚‹ใ“ใจใŒใงใใพใ™。ใฉใกใ‚‰ใ‹ใจ่จ€ใˆใฐใƒ”ใƒƒใƒใŒไธ€ๅฎšใ—ใชใ„้Ÿณใจใฎ็›ธๆ€งใŒใ„ใ„ใงใ™。ใƒŽใƒผใƒˆใ‚คใƒ™ใƒณใƒˆใงๅ‘จๆณขๆ•ฐใ‚ทใƒ•ใ‚ฟใฎใ‚ทใƒ•ใƒˆ้‡ใ‚’ๅˆถๅพกใ™ใ‚‹ใ“ใจใ‚‚ใงใใพใ™。

้ฉๅฝ“ใซไฝœใฃใŸใฎใง็”จ้€”ใŒใ‚ˆใใ‚ใ‹ใ‚‰ใชใ„ใฎใงใ™ใŒ、ใƒ•ใ‚ฃใƒผใƒ‰ใƒใƒƒใ‚ฏใ‚’ไฝŽใ‚ใซใ—ใฆใƒใ‚คใƒใƒƒใƒˆใชใฉใฎ้ซ˜ใ„้Ÿณใซ่–„ใใ‹ใ‘ใ‚‹ใจ้›ฐๅ›ฒๆฐ—ใŒใงใพใ™。ๅ‘จๆณขๆ•ฐใŒ้ซ˜ใใชใ‚‹ใจ้Ÿณ็จ‹ใŒใ‚ใฃใฆใ„ใชใ„ใ“ใจใŒๅˆ†ใ‹ใ‚Šใฅใ‚‰ใใชใ‚‹ใ“ใจใŒ็†็”ฑใ‹ใจๆ€ใ„ใพใ™。