diff --git a/C16-format.md b/C16-format.md index 542d575..47f1b79 100644 --- a/C16-format.md +++ b/C16-format.md @@ -28,9 +28,13 @@ As a final remark, if you created a new file, be sure that the Project Rate matc ### Capture Manipulation Pt2 -Alternatively you can use GNU Radio Companion (GRC) to convert the C16 short into a complex IQ file. +Alternatively you can use GNU Radio Companion (GRC) to convert the C16 short into a complex IQ file. -To accomplish this you'll need to bring in the original C16 file using the GRC block `File Source` setting the output type to short, pipe it to `IShort To Complex`, then `Multiply Consent` using the magic number 1.0 / 32768.0 for the constant, and finally export it with `File Sink`. +![c16_GRC_1](https://user-images.githubusercontent.com/18655435/163750552-225a6a62-42dd-4bc3-8b64-f8a718109202.png) + +As seen in the image above you'll need to bring in the original C16 file using the GRC block `File Source` setting the output type to short, pipe it to `IShort To Complex`, then `Multiply Consent` using the magic number 1.0 / 32768.0 for the constant, and finally export it with `File Sink`. + +This GRC script can be found at [`firmware/tools/convert_C16_to_complex.grc`](https://github.com/eried/portapack-mayhem/blob/next/firmware/tools/convert_C16_to_complex.grc)