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microWakeWord-Trainer-Nvidi…/cli/setup_training_datasets
George Joseph cb81f7f02d Train from the command line
The files in the `cli` directory allow you to train wake words
from the command line without needing to use the Jupyter notebook
or a web browser.  Basically, the logic from the notebook has been
placed in separate shell scripts and python files wrapped by 3 high-level
scripts that do the following:

* setup_python_venv: Creates a Python virtual environment with all the
packages needed to train.  The venv is created in the container's /data
directory and is therefore stored on the host, not in the container's root
docker volume.

* setup_training_datasets: Downloads, extracts and converts the MIT RIR,
FMA, Audioset and Negative training reference datasets.  Also stored in /data.

* train_wake_word: Generates the wake word samples, augments them with the
audio from the training datasets, and finally runs the microwakeword training.
The resulting model tflite and json files are placed in the /data/output
directory.

See the README.md file for much more information.
2025-12-28 12:48:51 -07:00

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#!/bin/bash
set -euo pipefail
PROGPATH=$(realpath "$0")
PROGDIR=$(dirname "${PROGPATH}")
KNOWN_ARGS=( data-dir cleanup-archives cleanup-intermediate-files )
source "${PROGDIR}/shell.functions"
if [ ${#UNKNOWN_ARGS[@]} -gt 0 ] ; then
echo "Unknown argument(s): ${UNKNOWN_ARGS[*]}" >&2
HELP=true
fi
if [ "${HELP}" == "true" ] ; then
cat <<EOF >&2
Usage: setup_training_datasets [ --cleanup-archives ] [ --cleanup-intermediate-files ]
Options:
--cleanup-archives: Automatically delete the tarballs or zipfiles after
they've been extracted.
--cleanup-intermediate-files: Automatically delete the intermediate files
after they've been converted.
EOF
exit 1
fi
cd "${DATA_DIR}"
START_TS=$EPOCHSECONDS
echo -e "\n===== Setting up Training Datasets =====\n"
${PROGDIR}/setup_negative_datasets --cleanup-archives=${CLEANUP_ARCHIVES} \
--cleanup-intermediate-files=${CLEANUP_INTERMEDIATE_FILES} --data-dir="${DATA_DIR}"
${PROGDIR}/setup_mit_audio --cleanup-archives=${CLEANUP_ARCHIVES} \
--cleanup-intermediate-files=${CLEANUP_INTERMEDIATE_FILES} --data-dir="${DATA_DIR}"
${PROGDIR}/setup_audioset --cleanup-archives=${CLEANUP_ARCHIVES} \
--cleanup-intermediate-files=${CLEANUP_INTERMEDIATE_FILES} --data-dir="${DATA_DIR}"
${PROGDIR}/setup_fma --cleanup-archives=${CLEANUP_ARCHIVES} \
--cleanup-intermediate-files=${CLEANUP_INTERMEDIATE_FILES} --data-dir="${DATA_DIR}"
END_TS=$(date +%s.%N)
print_elapsed_time "${START_TS}" "${END_TS}" "Training dataset setup"