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by retroencabulato
4396 days ago
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Rate conversion in the time domain is fine, but the "proper" way would smooth the lower pitch tones with a low pass filter, not simply zero-order hold. Furthermore, the "proper" way would pass the sound through an anti-alaising filter before creating a higher pitch tone. However, at 48kHz (as in the post), this isn't really an issue for audio. |
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