o
    8wÖià  ã                   @   s8   d dl Z de jde jfdd„Zde jde jfdd„ZdS )	é    NÚfÚreturnc                 C   s   dt  d| d  ¡ S )zX
    Convert f hertz to m mels

    https://en.wikipedia.org/wiki/Mel_scale#Formula
    ç     F¤@ç      ð?ç     à…@)ÚtorchÚlog10)r   © r	   úb/home/ubuntu/sommelier/.venv/lib/python3.10/site-packages/torch_audiomentations/utils/mel_scale.pyÚconvert_frequencies_to_mels   s   r   Úmc                 C   s   dd| d  d  S )zk
    Convert m mels to f hertz

    https://en.wikipedia.org/wiki/Mel_scale#History_and_other_formulas
    r   é
   r   r   r	   )r   r	   r	   r
   Úconvert_mels_to_frequencies   s   r   )r   ÚTensorr   r   r	   r	   r	   r
   Ú<module>   s    	