Displaying 2 results from an estimated 2 matches for "startat".
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2007 Oct 14
0
format spec unclear on how to quantize the LPC prediction
Hello!
I just noticed how the LPC prediction is quantized by browsing the
source code of the java port jFlac:
:
int sum = 0;
for (int j = 0; j < order; j++)
sum += qlpCoeff[j] * data[startAt+i-j-1];
data[startAt + i] = residual[i] + (sum >> lpQuantization);
:
I checked the C version (libFLAC) and it matches. However, it was a
surprise because this way of quantizing the prediction introduces a bias
towards negative infinity which results in residual samples that have a
bias tow...
2012 Feb 24
6
strange behaviour of "POSIXlt" "POSIXt" object
Hi,
Does anybody know why get I this kind of strange situation:
Browse[2]> hcEnd
[1] "2009-03-29 06:30:00"
Browse[2]> class(hcEnd)
[1] "POSIXlt" "POSIXt"
Browse[2]> is.na(hcEnd)
[1] TRUE
This issue is the source of my all issues in my program,
Thanks for your help
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