.TH AEC 1 .SH NAME aec \- compress or expand files .SH SYNOPSIS .B aec [\fB\-3\fR] [\fB\-b\fR \fIBYTES\fR] [\fB\-d\fR] [\fB\-j\fR \fISAMPLES\fR] [\fB\-m\fR] [\fB\-n\fR \fIBITS\fR] [\fB\-N\fR] [\fB\-p\fR] [\fB\-r\fR \fIBLOCKS\fR] [\fB\-s\fR] [\fB\-t\fR] .IR infile .IR outfile .SH DESCRIPTION .IR Aec performs lossless compression and decompression with Golomb-Rice coding as defined in the Space Data System recommended standard 121.0-B-3. .SH OPTIONS .TP \fB \-3\fR 24 bit samples are stored in 3 bytes .TP \fB \-b\fR\ \fI\,BYTES\fR internal buffer size in bytes .TP \fB \-d\fR decompress \fIinfile\fR; if option \-d is not used then compress \fIinfile\fR .TP \fB \-j\fR \fI\,SAMPLES\fR block size in samples .TP \fB \-m\fR samples are MSB first; default is LSB first .TP \fB \-n\fR \fI\,BITS\fR bits per sample .TP \fB \-N\fR disable pre/post processing .TP \fB \-p\fR pad RSI to byte boundary .TP \fB \-r\fR \fI\,BLOCKS\fR reference sample interval in blocks .TP \fB \-s\fR samples are signed; default is unsigned .TP \fB \-t\fR use restricted set of code options