fix incorrect usage of the len keyword

    else:

        binary = find_binary("reverb")

    with TemporaryDirectory(dir="./tmp_reverb") as tmp_dir:

    with TemporaryDirectory() as tmp_dir:

        tmp_dir = Path(tmp_dir)

        # resample input audio signal to that of the IR

    IR_right.num_channels = 1

    IR_right.audio = np.reshape(stereo_IR.audio[:,1], (-1, 1))

    # calculate the scaling factor such that the maximum gain of the IR filter across all frequencies is 0dB

    # calculate the scaling (multiplicative) factor such that the maximum gain of the IR filter across all frequencies is 0dB

    if align is None:

        H = fft(stereo_IR.audio, axis=0)

        align = 1.0 / np.max(np.abs(H))

        # stereo_IR.audio *= align

    # convolve mono input with left and right IR

    y_left = reverb(input, IR_left, align=align)

input_path: "./items_mono"

### Output path for generated test items and metadata files

output_path: "./output"

output_path: "./items_ISM1"

### Target loudness in LKFS; default = null (no loudness normalization applied)

loudness: -26

input_path: "./items_mono"

### Output path for generated test items and metadata files

output_path: "./output"

output_path: "./items_ISM2"

### Target loudness in LKFS; default = null (no loudness normalization applied)

loudness: -26

IR_path: "./IR"

### Output path for generated test items and metadata files

output_path: "./output"

output_path: "./items_STEREO"

### Target loudness in LKFS; default = null (no loudness normalization applied)

loudness: -26

#  the United Nations Convention on Contracts on the International Sales of Goods.

#

import csv

import logging

import os

            N_frames = int(len(x.audio) / x.fs * 50)

            # trim the source signal to align to 20ms boundary

            len = int(N_frames * x.fs / 50)

            x.audio = x.audio[:len]

            N_trim = int(N_frames * x.fs / 50)

            x.audio = x.audio[:N_trim]

            # adjust the level of the source file

            _, scale_factor = get_loudness(x, target_level, "MONO")