These are the objects that come with the zexy-external

============================ DSP~ ===============================

---------------------------- IO~ --------------------------------
sfplay		play back (multi-channel) soundfiles
sfrecord	record (multichannel) soundfiles

------------------------ generators~ ----------------------------
dirac~		dirac-pulse
step~		unity step
noish~		downsampled noise (hold)
noisi~		downsampled noise (interpolate)

------------------------ processing~ ----------------------------
limiter~	a limiter/compressor module
quantize~	quantizes signals
swap~		bytes swap a 16bit-signal
z~		samplewise delay

------------------------- analytic~ -----------------------------
sigzero~	detects whether a signal is zero throughout the vector or not
pdf~		probability density function 
envrms~		like env~, but outputting rms instead of dB
avg~		arithmetic mean of 1 signal-vector
tavg~		arithmetic mean between two bangs
dfreq~		frequency detector

------------------------- sigbinops~ ----------------------------
>~, <~, ==~, &&~, ||~	logical operators
abs~		absolute value of a signal
sgn~		signum of a signal

--------------------------- misc~ -------------------------------
nop~		no-operation
pack~		convert a signal to a list of floats
unpack~		convert a list of floats to a signal
matrix~		matrix-multiply m IN-signals to n OUT-signals
multiplex~	multiplex 1-of-n inlets to 1 outlet
demultiplex~	demultiplex 1 inlet to 1-of-n outlets


========================= control ==============================

-------------------------- basic -------------------------------
nop		no-operation
lister		store lists (like "float" for floats)
repack		(re)pack atoms to packages of a given size
packel		get a specified element of a list
length		get the length of a list
niagara		split 1 packages into 2
glue		append a package to another (glue them together)
segregate	segregate the input to various outlets, depending on the type
any2list	convert "anythings" to "lists"
list2int	cast each float of a list to integer
atoi		ascii to integer
strcmp		compare lists as strings
list2symbol	convert a list into a single symbol
.		scalar multiplication of vectors (=lists of floats)

------------------------ advanced ------------------------------
tabread4	interpolating tabread (obsolete since pd>=0.30)
tabdump		dump out a table as a list of floats
tabset		set a table with a list of floats
makesymbol	concatenate lists to formatted symbols
date		get system date
time		get system time
index		map symbols to indices
msgfile		a powerful "textfile" derivative
sort		shell-sort a list of floats
demultiplex	demultiplex the input to a specified outlet
drip		extract the atoms of a package (opt. scheduled)
lp		write to the (parallel) port (linux only)

-------------------------- maths --------------------------------
mavg		moving average filter for floats
mean		get the mean value of a list of floats
minmax		get minimum and maximum of a list of floats
deg2rad		convert degree to radiant
rad2deg		convert radiant to degree
cart2pol	convert cartesian coordinates to polar
pol2sph		convert polar coordinates to spheric
sph2cart	convert spheric coordinates to cartesian
cart2sph	convert cartesian coordinates to spheric
sph2pol		convert spheric coordinates to polar
pol2cart	convert polar coordinates to cartesian

-------------------------- matrix -------------------------------
matrix		create/store/... matrices
mtx_element	set elements of a matrix
mtx_row		set rows of a matrix
mtx_col		set columns of a matrix
mtx_ones	matrix with all elements==1
mtx_zeros	matrix with all elements==0
mtx_eye		identity matrix
mtx_egg		identity matrix (from upper-right to lower-left)
mtx_diag	diagonal matrix
mtx_diegg	diagonal matrix (from upper-right to lower-left)
mtx_diag	get the diagonal of a matrix
mtx_trace	get the trace of a matrix
mtx_transpose	transpose a matrix
mtx_roll	column-shift a matrix
mtx_scroll	row-shift a matrix
mtx_pivot	pivot-transform a matrix
mtx_resize	resize a matrix (evtl. with zero-padding)
mtx_size	get the size of a matrix
mtx_inverse	get the inverse of a matrix
mtx_add, mtx_+	add 2 matrices (or an offset to 1 matrix)
mtx_mul, mtx_*	multiply 2 matrices (or a factor with 1 matrix)
mtx_.*		multiply 2 matrices element by element
mtx_./		divide 2 matrices element by element
mtx_mean	get the mean value of each column
mtx_rand	matrix with random elements
mtx_check	check the consistency of a matrix and repair
mtx_print	print a matrix to the stderr