LPC - a NeXT adaptation, with graphic user interface, of Paul Lansky's software for linear predictive analysis and pitch track- ing performs linear predictive and pitch tracking analyses respectively on a monaural shortsam or float soundfile. The soundfile analyzed must have a valid NeXT soundfile header. NeXT-CSound uses a modified IRCAM-type header whose first element is a NeXT header. The two resulting data files may then be merged in a manner suitable for use in a instrument via the and units. The analysis data may be displayed in a scrolling text window. Parameters and interface gadgets are described in more detail below. - Number of poles for analysis. Default is 34 poles, which is also the maximum allowed.