buffer.RdThis function is used to buffer a signal vector into a matrix of data frames. If the input for nodelay is TRUE, the the signal is buffered with no delay. If nodelay is FALSE, and specifies a vector of samples to precede x[1] in an overlapping buffer.
buffer(x, n, overlap, opt, nodelay = FALSE)
| x | The signal vector to be buffered |
|---|---|
| n | The desired length of data segments (rows). |
| overlap | The desired amount of overlap between consecutive frames (columns) in the output matrix |
| opt | The vector of samples specified to precede x[1] in an overlapping buffer |
| nodelay | A logical statement to determine if the vector should be buffered with or without delay. Default is FALSE (with delay) |
A list with 3 elements is returned if nodelay = FALSE:
X: A matrix of the buffered signal vector "vec" with "n" data segments and an overlap between consecutive frames specified by "p". The matrix starts with "opt" values if nodelay is FALSE.
z: The remainder of the vector which was not included in the matrix if the last column did not have a full number of rows.
opt: The last values, length of "p", of the matrix "X".
If nodelay = TRUE, then a matrix of the buffered signal vector "vec" with "n" data segments and an overlap between consecutive frames specified by "overlap". The matrix starts with "opt" values if nodelay is FALSE.
x <- c(1:10) n <- 3 overlap <- 2 opt <- c(2, 1) list1 <- buffer(x, n, overlap, opt) list2 <- buffer(x, n, overlap, nodelay = TRUE)