- convert the signature image to PDF file
convert firma.png firma.pdf
Marnanel Thurman marnanel
sourceperl
/ detect_tones.py
Last active
January 9, 2023 05:37
Display sound spectral view with scipy FFT and matplotlib
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| #!/usr/bin/python3 | |
| # detect tones in sound spectrum with scipy FFT | |
| # here sound source is a USB microphone with ALSA (channel 1) | |
| from collections import deque | |
| import struct | |
| import sys | |
| import time | |
| import threading |
chrpinedo
/ insert-signature-in-pdf.md
Created
April 4, 2016 10:27
How to insert your signature in a PDF file by using PDFtk