references

production research:

https://danahollowayfilmandtv.blogspot.com/2015/12/examples-of-media-production-research.html

blue snowball information:

https://bit.ly/3bKaVJw

pop filters:

https://www.voices.com/blog/pop_filters/

reflectors:

https://fixthephoto.com/reflector-board.html

Regulatory and professional bodies issues, ratings:

https://en.wikipedia.org/wiki/British_Board_of_Film_Classification