For repairing amplifiers. Left and right channels have identical signals. The files were created using the excellent shareware Goldwave audio editor. Track listing is as follows: 1) 1000Hz sine wave2) 1000Hz square wave3) 1000Hz triangle wave4) 440Hz sine wave5) 20Hz sine
Here’s a graph showing the write performance to a Sandisk Class 10 memory card. The reason for the sharp dips in performance, are that the FAT filing system has to go off and allocate a new cluster every N writes.