Caution
You're reading the documentation for a development version. For the latest released version, please have a look at 0.9.1.
librosa.util.fix_length¶
- librosa.util.fix_length(data, *, size, axis=- 1, **kwargs)[source]¶
Fix the length an array
data
to exactlysize
along a target axis.If
data.shape[axis] < n
, pad according to the provided kwargs. By default,data
is padded with trailing zeros.- Parameters
- datanp.ndarray
array to be length-adjusted
- sizeint >= 0 [scalar]
desired length of the array
- axisint, <= data.ndim
axis along which to fix length
- **kwargsadditional keyword arguments
Parameters to
np.pad
- Returns
- data_fixednp.ndarray [shape=data.shape]
data
either trimmed or padded to lengthsize
along the specified axis.
See also
Examples
>>> y = np.arange(7) >>> # Default: pad with zeros >>> librosa.util.fix_length(y, size=10) array([0, 1, 2, 3, 4, 5, 6, 0, 0, 0]) >>> # Trim to a desired length >>> librosa.util.fix_length(y, size=5) array([0, 1, 2, 3, 4]) >>> # Use edge-padding instead of zeros >>> librosa.util.fix_length(y, size=10, mode='edge') array([0, 1, 2, 3, 4, 5, 6, 6, 6, 6])