This is the test for my Sandisk Ultra 16 GB with about 30 files on it each about 5 to 10 seconds each
I assume the size of the disk maybe means slower..????? and more files means slower...????
No files currently on this SD have been edited since last formatted. Only some of the files were originally added, then the rest added as and when....no files have been deleted from it.
SD Card Test
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SD card is connected
Card type is SDHC
File system space is 15923.15 Mbytes.
SD library is able to access the filesystem
Reading SDTEST1.WAV:
Overall speed = 0.80 Mbyte/sec
Worst block time = 1.10 ms
38.09% of audio frame time
Reading SDTEST1.WAV & SDTEST2.WAV:
Overall speed = 0.80 Mbyte/sec
Worst block time = 2.24 ms
77.27% of audio frame time
Reading SDTEST1.WAV & SDTEST2.WAV staggered:
Overall speed = 0.80 Mbyte/sec
Worst block time = 1.78 ms
61.25% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV:
Overall speed = 0.80 Mbyte/sec
Worst block time = 3.36 ms
115.91% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV staggered:
Overall speed = 0.80 Mbyte/sec
Worst block time = 2.43 ms
83.89% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV, SDTEST4.WAV:
Overall speed = 0.82 Mbyte/sec
Worst block time = 4.88 ms
168.34% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV, SDTEST4.WAV staggered:
Overall speed = 0.81 Mbyte/sec
Worst block time = 3.46 ms
119.22% of audio frame time