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Perfect and bit-perfect PCM encoded sine wave audio test tones
In this project, a perfect PCM sine wave is one that contains a single frequency at 0 dBTP and no error harmonics at all. A bit-perfect PCM sine wave has error harmonics due to encoding quantization, but they are at the minimum level possible for the chosen encoding.
The generated wave files hold a sequence of one or more complete copies of a repeating pattern. A file containing a single pattern can be played in a loop to extend the play time. Because most audio players don't loop...
Video Projector/Monitor Calibration Software orginally developed as ColorHCFR.
This code base is based off version 2.1 and will aim for a more open development process. The opensource version integrates an ArgyllCMS interface for continued meter support and development.
If you feel the program has been of value to you since I started working on it about 3 years ago please consider a contribution via the link below. Thanks!
-zoyd
https://www.paypal.me/zoyd
Testcard is a SDL/SDL_gfx based monitor test pattern (test card) generator. SMPTE and other test patterns are supported. Future plans include a very basic scripting capability to construct custom test patterns from built in primitives.