{"name":"Frequency Spectrum Reference Chart","short_name":"Freq Ref","description":"Interactive audio frequency spectrum & EQ reference","start_url":"/","display":"standalone","background_color":"#0a0a0a","theme_color":"#0a0a0a","lang":"en","scope":"/","icons":[{"src":"icon-192.png","sizes":"192x192","type":"image/png"},{"src":"icon-512.png","sizes":"512x512","type":"image/png"},{"src":"icon-512.png","sizes":"512x512","type":"image/png","purpose":"maskable"}]}