Film info
                        Film summary
                        Move along the decibel range from silence to the loudest noise ever.
                        
                            
Key facts
                            
                                	- Facts about the decibel range, for example:
 
	- OdB is the threshold of human hearing.
 
	- A quiet office is around 30dB, and a home stereo is around 80dB.
 
	- At 190dB the eruption of Mt Krakatoa in 1883 could be heard 3200km away!
 
                            
                        
                     
                 
                
                    
    
        Transcript
        	
    How loud is too loud? 
0 dB (decibels) 
Threshold of human hearing 
30 dB 
A quiet office 
80 dB 
Typical home stereo 
100 dB 
Subway train 
130 dB 
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