Practical tip: if streaming from console via capture card, mute game audio channel for crowd sounds and mix in your own crowd/ambience separately.
Search for hex values related to crowd rendering (specific offsets vary by game version/patch). Common community-known offset for PES 2015 v1.01: 0x00A3B7C – change 01 to 00 (this disables crowd draw call). pes 15 crowd disabler
It is not an official feature of Konami’s game but rather a community-created fix, born from the game’s notoriously finicky PC performance and specific modding needs. Practical tip: if streaming from console via capture
Here are some tips and tricks for using the PES 15 crowd disabler: pes 15 crowd disabler