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Feature/signalhound - This is preliminary work for a Spike Signal Hound converter. #136

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Feature/signalhound - This is preliminary work for a Spike Signal Hound converter. #136

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6697466
Add Signal Hound to SigMF conversion functionality
KelseyCreekSoftware Feb 19, 2026
2336736
Add Signal Hound file support to conversion script
KelseyCreekSoftware Feb 19, 2026
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35 changes: 19 additions & 16 deletions sigmf/convert/__main__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@
from ..utils import get_magic_bytes
from .blue import blue_to_sigmf
from .wav import wav_to_sigmf
from .signalhound import signalhound_to_sigmf



def main() -> None:
Expand Down Expand Up @@ -60,8 +62,8 @@ def main() -> None:
exclusive_group.add_argument(
"--ncd", action="store_true", help="Output .sigmf-meta only and process as a Non-Conforming Dataset (NCD)"
)
parser.add_argument("--overwrite", action="store_true", help="Overwrite existing output files")
parser.add_argument("--version", action="version", version=f"%(prog)s v{toolversion}")

args = parser.parse_args()

level_lut = {
Expand Down Expand Up @@ -90,28 +92,29 @@ def main() -> None:

if magic_bytes == b"RIFF":
# WAV file
_ = wav_to_sigmf(
wav_path=input_path,
out_path=output_path,
create_archive=args.archive,
create_ncd=args.ncd,
overwrite=args.overwrite,
)
_ = wav_to_sigmf(wav_path=input_path, out_path=output_path, create_archive=args.archive, create_ncd=args.ncd)

elif magic_bytes == b"BLUE":
# BLUE file
_ = blue_to_sigmf(
blue_path=input_path,
out_path=output_path,
create_archive=args.archive,
create_ncd=args.ncd,
overwrite=args.overwrite,
_ = blue_to_sigmf(blue_path=input_path, out_path=output_path, create_archive=args.archive, create_ncd=args.ncd)

## TODO: Determine proper way to integrate Signal Hound files.
elif magic_bytes == b"<?xm": # <?xml version="1.0" encoding="UTF-8"?> <SignalHoundIQFile Version="1.0">
# Signal Hound Spike 1.0 file
# Of the 66 Byte string move 43 bytes in to skip the XML declaration
# and get to the root element and take 18 chars for a more specific detection of Signal Hound Spike files
expanded_magic_bytes = get_magic_bytes(input_path, count=17, offset=40)
if expanded_magic_bytes == b"SignalHoundIQFile":
_ = signalhound_to_sigmf(signalhound_path=input_path, out_path=output_path, create_archive=args.archive, create_ncd=args.ncd)
else:
raise SigMFConversionError(
f"Unsupported XML file format. Expanded Magic bytes: {expanded_magic_bytes}. "
f"Supported formats for conversion are WAV, BLUE/Platinum and Signal Hound Spike."
)

else:
raise SigMFConversionError(
f"Unsupported file format. Magic bytes: {magic_bytes}. "
f"Supported formats for conversion are WAV and BLUE/Platinum."
f"Supported formats for conversion are WAV, BLUE/Platinum and Signal Hound Spike."
)


Expand Down
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