This evolved into Dolby Pro Logic, which could intelligently extract 5.1 surround sound from a regular stereo soundtrack ... as manufacturers vied to create their own formats for 6.1 surround sound.
Apple pie blondies Ingredients For the apple filling: 2 medium granny smith apples, peeled and diced 20g granulated sugar 1 tsp cinnamon For the blondie: 170g salted butter, softened 165g light brown ...