diff options
Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index ab58e53051..9faed8e65d 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1072,14 +1072,14 @@ Apply arbitrary expressions to samples in frequency domain. @table @option @item real Set frequency domain real expression for each separate channel separated -by '|'. Default is "1". +by '|'. Default is "re". If the number of input channels is greater than the number of expressions, the last specified expression is used for the remaining output channels. @item imag Set frequency domain imaginary expression for each separate channel -separated by '|'. If not set, @var{real} option is used. +separated by '|'. Default is "im". Each expression in @var{real} and @var{imag} can contain the following constants and functions: @@ -1104,10 +1104,10 @@ number of channels current frame pts @item re -current real part of frequency bin +current real part of frequency bin of current channel @item im -current imaginary part of frequency bin +current imaginary part of frequency bin of current channel @item real(b, ch) Return the value of real part of frequency bin at location (@var{bin},@var{channel}) |