Commit 28a127e3 authored by Jan Kiene's avatar Jan Kiene
Browse files

make alignment check user-configurable in config

parent 1b63ada4

experiments/selection/P800-1/config/P800-1.yml

+4 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ input: 
    fmt: "STEREO"

    # TODO: to be clarified in Test Plan

    fs: 48000

    aligned_to:

        len: 20



################################################

### Pre-processing on individual items
@@ -36,6 +38,8 @@ preprocessing_2: 
    # concatenation_order: []

    preamble: 10000

    preamble_noise: true

    postamble: 10000

    postamble_noise: true

    repeat_signal: true

    background_noise:

        ### REQUIRED: SNR for background noise in dB

ivas_processing_scripts/processing/chains.py

+11 −11
Original line number Diff line number Diff line
@@ -523,7 +523,7 @@ def validate_input_files(cfg: TestConfig): 
    """

    input_format = cfg.input["fmt"]

    num_chan_expected = audio.fromtype(input_format).num_channels

    check_block_aligned_to = 20



    for item in cfg.items_list:

        if "fs" in cfg.input:

            sampling_rate = cfg.input["fs"]
@@ -547,14 +547,14 @@ def validate_input_files(cfg: TestConfig): 
                f"The number of channels in the file ({n_chan_x}) do NOT match with those of format ({num_chan_expected}, {input_format}) specified in the config yaml."

            )



        if check_block_aligned_to > 0:

            frame_length_samples = (check_block_aligned_to / 1000) * fs

            if n_samples_x % frame_length_samples != 0:

                if input_format.startswith("ISM") or input_format.startswith("MASA"):

                    raise ValueError(

                        f"The length ({n_samples_x} samples) of audio ({item.name}) is not a multiple of frame length (20 ms) - not allowed for input formats with metadata."

                    )

        if (input_aligned_cfg := cfg.input.get("aligned_to", None)) is not None:

            input_fmt_has_metadata = input_format.startswith("ISM") or input_format.startswith("MASA")

            force_alignment = input_aligned_cfg.get("force", False) or input_fmt_has_metadata



            alignment_len_samples = (input_aligned_cfg["len"] / 1000) * fs

            if n_samples_x % alignment_len_samples != 0:

                msg = f"The length ({n_samples_x} samples) of audio ({item.name}) is not a multiple of given alignment length ({input_aligned_cfg['len']} ms)."

                if force_alignment:

                    raise ValueError(msg)

                else:

                    warn(

                        f"The length ({n_samples_x} samples) of audio ({item.name}) is not a multiple of frame length (20 ms)."

                    )
 
                    warn(msg)