In C/C++, we can use the backslash escape sequence to create a string with any embedded ASCII code.",\\x09" is a string with a comma followed by an unprintable character whose ASCII code is 09.How ...

Use the SUBSTITUTE () function to remove non-printable characters in Excel Excel offers a CODE () function which returns the ASCII code for a given character.

[Andrew Ray’s] answer? Produce simulated waveforms using ASCII text. The process uses some custom tools written in OCaml, but the code is available for you on GitHub.