Hello, I have a question about a high rhythmic pitch present in all my sound files. I bought the Hydromoth for two months and recently made my first two recordings in different locations. The rhythmic pitch appears identical in both recordings, regardless of location. Could you help me understand what might be causing this and how I can resolve it? I configured the Hydromoth before recording. Thanks for helping me out!
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Hi, This is interference from the SD card writes showing up in the audio signal. It happens at each 32kB of data collection, which at 48kHz corresponds to 32 x 1024 / 2 / 48000 = 0.34s. It is generally always present to some degree but this looks louder than normal. What make and model of battery and SD card are you using? Alex