Ran the SdCardTest from the audio-library:
Code:
SD Card Test
------------
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 = 1.98 Mbyte/sec
Worst block time = 0.70 ms
24.02% of audio frame time
Reading SDTEST1.WAV & SDTEST2.WAV:
Overall speed = 1.30 Mbyte/sec
Worst block time = 3.92 ms
135.01% of audio frame time
Reading SDTEST1.WAV & SDTEST2.WAV staggered:
Overall speed = 1.31 Mbyte/sec
Worst block time = 1.16 ms
40.15% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV:
Overall speed = 1.32 Mbyte/sec
Worst block time = 4.29 ms
147.79% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV staggered:
Overall speed = 1.32 Mbyte/sec
Worst block time = 1.57 ms
54.18% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV, SDTEST4.WAV:
Overall speed = 1.41 Mbyte/sec
Worst block time = 4.62 ms
159.13% of audio frame time
Reading SDTEST1.WAV, SDTEST2.WAV, SDTEST3.WAV, SDTEST4.WAV staggered:
Overall speed = 1.41 Mbyte/sec
Worst block time = 1.93 ms
66.52% of audio frame time