Testing is one of the basis to create robust and correct code. O’Reilly has published in its “Beautiful” series a lot of books on different parts of the development process. This is the testing part.

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My last blog post on optimization helped me generate orthogonal sequences. Now, I will use those sequences to separate two signals. The basic use case is a linear system with two inputs, one output, and instead of recording the response of one input at a time, one plays both inputs simultaneously with specific sequences so that they can be separated in another process.

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