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Yes, you are correct.
Audio taper (or log) give 15 percent resistance at the 50 percent rotation point.
Linear taper give 50 percent resistance at the 50 percent point.
So audio taper pots give more volume adjustment at the lower levels.
The Log taper is actually closer in tolerance to the audio taper.
Audio taper: Usually 15%resistance at the 50%rotation point
Linear taper (aka B-taper): Always 50%resistance at the 50%travel point
Log taper: Often used as an audio taper, 10% resistance at the 50%