If you followed "best" practices but still get poor results, check these:
: Cited as the best free tool for advanced users. It is a command-line utility that extracts the highest-quality raw audio streams directly from YouTube's servers without ads. yt flac best
Unless the source is lossless (which YT isn't), a FLAC file is just a "bloated" AAC. If you need compatibility for all devices, convert to 320kbps MP3 If you followed "best" practices but still get
Truth: Modern Opus at 160kbps is scientifically proven to be transparent to the source for most music, while MP3 at 320kbps introduces pre-echo artifacts. Opus is superior. yt flac best