Function convert_csv_to_wav

examples/csv2wav/csv2wav.py:147–178

(
    csv_path,
    wav_path=None,
    sample_rate=None,
    in_format="float32",
    dither=False,
)

def convert_csv_to_wav(
    csv_path,
    wav_path=None,
    sample_rate=None,
    in_format="float32",
    dither=False,
):
    if in_format not in INPUT_FORMATS:
        raise ValueError(
            f"Unsupported input format '{in_format}'. Supported: {', '.join(INPUT_FORMATS)}"
        )

    raw, times = read_csv_audio(csv_path)
    audio_float = decode_input_to_float(raw, in_format)

    # An explicit --rate always wins; otherwise prefer the rate implied by the
    # Elapsed (s) column, and fall back to the default for time-less CSVs.
    if sample_rate is None:
        detected = sample_rate_from_times(times)
        if detected:
            sample_rate = detected
            print(f"Detected sample rate from timestamps: {sample_rate} Hz")
        else:
            sample_rate = DEFAULT_SAMPLE_RATE
            print(f"No usable timestamps; using default {sample_rate} Hz")

    if wav_path is None:
        base = os.path.splitext(csv_path)[0]
        wav_path = base + ".wav"

    write_wav(audio_float, sample_rate, wav_path, dither=dither)
    print(f"WAV file written: {wav_path}")


def main():