Hacker News: legdogehttps://news.ycombinator.com/user?id=legdogeHacker News RSShttps://hnrss.org/hnrss v2.1.1Thu, 02 Jul 2026 04:28:51 +0000<![CDATA[New comment by legdoge in "FFmpeg 9.1's new AAC encoder"]]>AAC has a strange quirk that the window size is dependent on the sampling rate, thus requiring a complete psychoacoustics reoptimization of all encoder parameters for each sampling rate, since a 20msec window sounds very different than a 60msec window, to human ears.

This was of course fixed in Opus.

]]>Wed, 01 Jul 2026 17:57:04 +0000https://news.ycombinator.com/item?id=48750768legdogehttps://news.ycombinator.com/item?id=48750768https://news.ycombinator.com/item?id=48750768