Source code for cr.nimble._src.dsp.util

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import jax
import jax.numpy as jnp
from jax import jit


[docs]def sliding_windows_rw(x, wlen, overlap):
    """Converts a signal into sliding windows (per row) with the specified overlap
    """
    step = wlen - overlap
    starts = jnp.arange(0, len(x) - wlen + 1, step)
    block = jnp.arange(wlen)
    idx = starts[:, None] + block[None, :]
    return x[idx]



[docs]def sliding_windows_cw(x, wlen, overlap):
    """Converts a signal into sliding windows (per column) with the specified overlap
    """
    return sliding_windows_rw(x, wlen, overlap).T