Recording Gaps

Inventor

I'm having trouble using ChucK to do voice recordings. It seems that no matter how much I free the computer's resources, gaps occur in the recording. This happens for any microphone input, regardless of whether I am doing compute-intensive FFTs or nothing except the recording.

For busy programs generating music there may be audible gaps but the written file is just fine, no doubt a result of ChucK's "strong timing" feature. But for microphone input gaps record as gaps.

The problem is further compounded by the fact that I can't seem to get WvIn to read *.wav files output by Audacity. Is there a file size limit on WvIn? Or could the problem be caused by a hacker monitoring my system somehow? Is this normal behavior?

blue hell · Posted: Thu Jun 26, 2008 11:52 am Post subject:

I don't know about he gaps ... some performance issue somewhere ... can be very tough to find ... Crying or Very sad

The wavs not being readable could be because of a non compatible wav sub-format ... in Audacity you can set the sub-format to use through the preferences (see file menu, or use ctrl+p), the go to the file formats page. You could also try a different lossless format like AIFF or AU.

Frostburn · Posted: Thu Jun 26, 2008 1:06 pm Post subject:

You can also try SndBuf instead of WvIn.

Kassen · Posted: Thu Jun 26, 2008 1:13 pm Post subject:

blue hell · Posted: Thu Jun 26, 2008 1:16 pm Post subject:

Kassen · Posted: Thu Jun 26, 2008 1:26 pm Post subject:

Sorry, yes, you are right. My bad.

PowerPC and AIFF sort the order of the bytes used to represent a number in the opposite order from x86 and WAV so it's preferable to use AIFF on older Mac's and WAV elsewhere... unless you are running something really weird... in which case you'll likely not be running ChucK anyway.

blue hell · Posted: Thu Jun 26, 2008 1:30 pm Post subject:

Just looked it up, there also is a byte reversed version of AIFF now, presumably to get a better match with the apple intel pcs.

Inventor · Posted: Thu Jun 26, 2008 2:45 pm Post subject:

I found the file setting in Audacity's preferences menu and I can play with that, plus I can try SndBuf. Thanks for the suggestions. I may get motivated tonight or perhaps tomorrow, I need some chill-out time as I just completed a lot of work in the past two weeks!

I never understood Big-Endian and Little-Endian. I thought most Indians were kind of medium anyway.

Ooooh, such verbal pun-ishment! I'm going back to my Judas Priest album now!