def get_duration(
path: Pathlike,
) -> float:
"""
Read a audio file, it supports pipeline style wave path and real waveform.
:param path: Path to an audio file or a Kaldi-style pipe.
:return: float duration of the recording, in seconds.
"""
path = str(path)
if path.strip().endswith("|"):
if not is_module_available("kaldi_native_io"):
raise ValueError(
"To read Kaldi's data dir where wav.scp has 'pipe' inputs, "
"please 'pip install kaldi_native_io' first."
)
import kaldi_native_io
wave = kaldi_native_io.read_wave(path)
assert wave.data.shape[0] == 1, f"Expect 1 channel. Given {wave.data.shape[0]}"
return wave.duration
try:
# Try to parse the file using pysoundfile first.
import soundfile
info = soundfile.info(path)
except:
# Try to parse the file using audioread as a fallback.
info = audioread_info(path)
return info.duration
def get_duration(path: Pathlike, ) -> float:
"""
Read a audio file, it supports pipeline style wave path and real waveform.
:param path: Path to an audio file or a Kaldi-style pipe.
:return: float duration of the recording, in seconds.
"""
path = str(path)
if path.strip().endswith("|"):
if not is_module_available("kaldiio"):
raise ValueError(
"To read Kaldi's data dir where wav.scp has 'pipe' inputs, "
"please 'pip install kaldiio' first.")
from kaldiio import load_mat
# Note: kaldiio.load_mat returns
# (sampling_rate: int, samples: 1-D np.array[int])
sampling_rate, samples = load_mat(path)
assert len(samples.shape) == 1
duration = samples.shape[0] / sampling_rate
return duration
try:
# Try to parse the file using pysoundfile first.
import soundfile
info = soundfile.info(path)
except:
# Try to parse the file using audioread as a fallback.
info = audioread_info(path)
return info.duration
