| Random offset/seed generation (necessary for background noise and FER bitstream processing) | random | https://www.3gpp.org/ftp/tsg_sa/WG4_CODEC/TSGS4_76/docs/S4-131277.zip |
| MASA rendering (also used in loudness measurement of MASA items) | masaRenderer | https://www.3gpp.org/ftp/TSG_SA/WG4_CODEC/TSGS4_122_Athens/Docs/S4-230221.zip |