On 2014-12-18 16:23, Alan Stern wrote: >>> The bug report says there should be 10 M samples per second. How many >>> bytes are in a sample? 2? >> >> I and Q samples are two bytes each. > > What is an I sample? What is a Q sample? I and Q samples describe the radio signal received by the airspy. > Are there any samples that > aren't two bytes? No that I am aware. > You need to keep in mind that the people reading this mailing list know > a lot about USB but don't know anything about Airspy devices. In fact the airspy samples at 20 MSPS with 2 bytes per sample, but the host converts that to the I/Q pairs at 10 MSPS, with 2 bytes for each I and Q. (I was explained in #airspy) Udo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html