Hello, I am a new member of this list. I have made some ChucK program that sounds good when performed by ChucK VM. However, when I record this music through WvOut in to file and later play recorded file using system player, I hear some cracks (distortions, noise). It seems to me that it is some conversion taking place during recording. In the documentation of WvOut class it is suggested that MATLAB file format will write 64-bit floats. But even with that precision I get the same sound in file. I have looked in to the source code and found that every method of WvOut class (WvOut_ctrl_<filetype>Filename) opens file with the same 16-bit sample-size (Stk::STK_SINT16). I have tried naively to change that parameter into Stk::STK_SINT32, and recompiled successfully ChucK, but the quality of recorded sound was not improved. Actually, file was again 16-bit signed encoded. What can I do to improve quality of recording. My computer is amd-64 Ubuntu 14.04. I have compiled ChucK with 'make linux-alsa' command. PS: I tried to record sound from system sound-card by using some other programs for recording, but with no success. Either ChucK could not access sound-card or a recording program could not access sound-card. It seems that ChucK insists on having exclusive rights over sound-card and doesn't want to share it with other programs. Even if in my browser is opened some site that uses sound, ChucK refuses to start. Vitalije