espnet2.layers.sinc_conv.MelScale

source

class espnet2.layers.sinc_conv.MelScale

Bases: object

Mel frequency scale.

classmethod bank(channels: int, fs: float) → Tensor

Obtain initialization values for the mel scale.

• Parameters:
  • channels – Number of channels.
  • fs – Sample rate.
• Returns: Filter start frequencíes. torch.Tensor: Filter stop frequencies.
• Return type: torch.Tensor

static convert(f)

Convert Hz to mel.

static invert(x)

Convert mel to Hz.