Fixes resaampling based on starting sample rate.

88.2 kHz ᴏʀ 176.4 kHz ᴄᴏɴᴠᴇʀᴛs ᴛᴏ 44.1 kHz

96 kHz ᴏʀ 192 kHz ᴄᴏɴᴠᴇʀᴛs ᴛᴏ 48 kHz

See https://what.cd/wiki.php?action=article&id=683

Fixes #63