If you use third-party codec packs like K-Lite or external audio processors like ffdshow or AC3Filter, they might override MPC-HC's internal settings. To bypass them, navigate to , select your external audio decoder, and set it to Block . This forces MPC-HC to rely strictly on its internal audio system. To help tailor these steps further, let me know:

Watching long lectures, video tutorials, or movies at higher speeds saves hours of time. However, speeding up media can make voices sound unnaturally high-pitched, often referred to as the "chipmunk effect."

4.4. External Players / Plugins