personal samples

This commit is contained in:
MasterPhooey
2026-01-17 20:24:43 -06:00
parent 6392548333
commit 2b9aa95903
2 changed files with 175 additions and 124 deletions

View File

@@ -1,7 +1,7 @@
#!/usr/bin/env python
import sys, os, gc, glob, random
import types, shutil, json
import types
from datetime import datetime, timezone
from pathlib import Path
from argparse import ArgumentParser as ArgParser, ArgumentError
@@ -9,12 +9,20 @@ from argparse import ArgumentParser as ArgParser, ArgumentError
default_data_dir = os.getcwd() if os.path.exists(".mww-data-dir") else "/data"
parser = ArgParser(exit_on_error=False)
parser.add_argument("--data-dir", type=str, help=f"Data directory. Default: {default_data_dir}", required=False, default=default_data_dir)
parser.add_argument("--input-dir", type=str, help="Sample input directory. Default: <data-dir>/work/wake_word_samples", required=False)
parser.add_argument("--output-dir", type=str, help="Sample output directory. Default: <input-dir>_augmented", required=False)
parser.add_argument("--mit-rirs-16k-dir", type=str, help="MIT RIR input directory. Default: <data-dir>/training_datasets/mit_rirs_16k", required=False)
parser.add_argument("--fma-16k-dir", type=str, help="FMA input directory. Default: <data-dir>/training_datasets/fma_16k", required=False)
parser.add_argument("--audioset-16k-dir", type=str, help="Audioset input directory. Default: <data-dir>/training_datasets/audioset_16k", required=False)
parser.add_argument("--data-dir", type=str, help=f"Data directory. Default: {default_data_dir}", required=False, default=default_data_dir)
# Wake word (TTS/generated) inputs/outputs
parser.add_argument("--input-dir", type=str, help="Wake word input dir. Default: <data-dir>/work/wake_word_samples", required=False)
parser.add_argument("--output-dir", type=str, help="Wake word output dir. Default: <input-dir>_augmented", required=False)
# Personal inputs/outputs (NEW)
parser.add_argument("--personal-dir", type=str, help="Personal WAV dir. Default: <data-dir>/personal_samples", required=False)
parser.add_argument("--personal-output-dir", type=str, help="Personal features output dir. Default: <data-dir>/work/personal_augmented_features", required=False)
# Dataset dirs
parser.add_argument("--mit-rirs-16k-dir", type=str, help="MIT RIR input directory. Default: <data-dir>/training_datasets/mit_rirs_16k", required=False)
parser.add_argument("--fma-16k-dir", type=str, help="FMA input directory. Default: <data-dir>/training_datasets/fma_16k", required=False)
parser.add_argument("--audioset-16k-dir", type=str, help="Audioset input directory. Default: <data-dir>/training_datasets/audioset_16k", required=False)
try:
args = parser.parse_args()
@@ -23,10 +31,11 @@ except ArgumentError:
sys.exit(1)
args.data_dir = os.path.realpath(args.data_dir)
work_dir = args.data_dir + "/work"
work_dir = os.path.join(args.data_dir, "work")
# Wake word defaults
if not args.input_dir:
args.input_dir = work_dir + "/wake_word_samples"
args.input_dir = os.path.join(work_dir, "wake_word_samples")
else:
args.input_dir = os.path.realpath(args.input_dir)
@@ -35,24 +44,33 @@ if not args.output_dir:
else:
args.output_dir = os.path.realpath(args.output_dir)
# Personal defaults (NEW)
if not args.personal_dir:
args.personal_dir = os.path.join(args.data_dir, "personal_samples")
else:
args.personal_dir = os.path.realpath(args.personal_dir)
if not args.personal_output_dir:
args.personal_output_dir = os.path.join(work_dir, "personal_augmented_features")
else:
args.personal_output_dir = os.path.realpath(args.personal_output_dir)
# Dataset defaults
if not args.mit_rirs_16k_dir:
args.mit_rirs_16k_dir = args.data_dir + "/training_datasets/mit_rirs_16k"
args.mit_rirs_16k_dir = os.path.join(args.data_dir, "training_datasets", "mit_rirs_16k")
else:
args.mit_rirs_16k_dir = os.path.realpath(args.mit_rirs_16k_dir)
if not args.fma_16k_dir:
args.fma_16k_dir = args.data_dir + "/training_datasets/fma_16k"
args.fma_16k_dir = os.path.join(args.data_dir, "training_datasets", "fma_16k")
else:
args.fma_16k_dir = os.path.realpath(args.fma_16k_dir)
if not args.audioset_16k_dir:
args.audioset_16k_dir = args.data_dir + "/training_datasets/audioset_16k"
args.audioset_16k_dir = os.path.join(args.data_dir, "training_datasets", "audioset_16k")
else:
args.audioset_16k_dir = os.path.realpath(args.audioset_16k_dir)
out_path = Path(args.output_dir)
out_path.mkdir(exist_ok=True)
def validate_directories(paths):
for path in paths:
if not os.path.exists(path):
@@ -60,17 +78,12 @@ def validate_directories(paths):
return False
return True
paths = [ work_dir, args.input_dir, args.output_dir, args.mit_rirs_16k_dir, args.fma_16k_dir, args.audioset_16k_dir ]
if not validate_directories(paths):
required = [work_dir, args.input_dir, args.mit_rirs_16k_dir, args.fma_16k_dir, args.audioset_16k_dir]
if not validate_directories(required):
parser.print_help()
sys.exit(1)
files = glob.glob(args.input_dir + "/*.wav")
if not files:
raise RuntimeError("❌ No WAVs in wake_word_samples.")
max_samples = len(files)
print(f"\n===== Augmenting {max_samples} wake word samples =====")
# -------------------- TF + libs --------------------
print(" Initializing libraries")
os.environ["TF_CPP_MIN_LOG_LEVEL"] = "3"
@@ -86,7 +99,6 @@ print(" Loading Tensorflow")
import tensorflow as tf
print(" GPU memory config")
# Per-device memory growth (belt + suspenders)
for g in tf.config.list_physical_devices("GPU"):
try:
tf.config.experimental.set_memory_growth(g, True)
@@ -97,27 +109,15 @@ gc.collect()
import numpy as np
import librosa
from tqdm import tqdm
from mmap_ninja.ragged import RaggedMmap
from microwakeword.audio.augmentation import Augmentation
from microwakeword.audio.clips import Clips
from microwakeword.audio.spectrograms import SpectrogramGeneration
from microwakeword.audio.audio_utils import save_clip
START_TIME = datetime.now(timezone.utc).replace(microsecond=0)
# Paths to augmented data
impulse_paths = [ args.mit_rirs_16k_dir ]
background_paths = [ args.fma_16k_dir, args.audioset_16k_dir ]
clips = Clips(
input_directory=args.input_dir,
file_pattern='*.wav',
max_clip_duration_s=5,
remove_silence=True,
random_split_seed=10,
split_count=0.1,
)
impulse_paths = [args.mit_rirs_16k_dir]
background_paths = [args.fma_16k_dir, args.audioset_16k_dir]
augmenter = Augmentation(
augmentation_duration_s=3.2,
@@ -139,81 +139,107 @@ augmenter = Augmentation(
max_jitter_s=0.3,
)
def audio_generator_from_wavs(self, split="train", repeat=1):
"""
Yield 1-D float32 arrays loaded via librosa from input_dir/*.wav.
Deterministic 80/10/10 split with seed 10 to mirror original Clips behavior.
"""
files = sorted(glob.glob(args.input_dir + "/*.wav"))
if not files:
raise RuntimeError("❌ No WAVs in wake_word_samples.")
rng = random.Random(10) # deterministic shuffling like Clips(random_split_seed=10)
files_shuf = files[:]
rng.shuffle(files_shuf)
n = len(files_shuf)
n_val = max(1, int(0.10 * n))
n_test = max(1, int(0.10 * n))
n_train = max(0, n - n_val - n_test)
splits = {
"train": files_shuf[:n_train],
"validation": files_shuf[n_train:n_train + n_val],
"test": files_shuf[n_train + n_val:],
}
file_list = splits.get(split, [])
if not file_list:
return # nothing to yield
for _ in range(max(1, int(repeat))):
for p in file_list:
y, sr = librosa.load(p, sr=16000, mono=True)
yield y.astype(np.float32, copy=False)
# Bind the patched generator to your existing `clips` instance
clips.audio_generator = types.MethodType(audio_generator_from_wavs, clips)
# ---- Split config ----
split_cfg = {
"training": {"name": "train", "repetition": 2, "slide_frames": 10},
"validation": {"name": "validation", "repetition": 1, "slide_frames": 10},
"testing": {"name": "test", "repetition": 1, "slide_frames": 1},
}
# ---- Generate features ----
for split, cfg in split_cfg.items():
out_dir = out_path / split
out_dir.mkdir(parents=True, exist_ok=True)
print(f" Augmenting {split}")
def bind_wav_generator(clips_obj: Clips, wav_dir: str):
"""
Patch clips.audio_generator so we load WAVs directly (deterministic 80/10/10 split, seed=10).
Matches the notebook behavior you posted.
"""
def audio_generator_from_wavs(self, split="train", repeat=1):
files = sorted(glob.glob(os.path.join(wav_dir, "*.wav")))
if not files:
return
print(" Generating spectrograms")
spectros = SpectrogramGeneration(
clips=clips,
augmenter=augmenter,
slide_frames=cfg["slide_frames"],
step_ms=10,
rng = random.Random(10)
files_shuf = files[:]
rng.shuffle(files_shuf)
n = len(files_shuf)
n_val = max(1, int(0.10 * n))
n_test = max(1, int(0.10 * n))
n_train = max(0, n - n_val - n_test)
splits = {
"train": files_shuf[:n_train],
"validation": files_shuf[n_train:n_train + n_val],
"test": files_shuf[n_train + n_val:],
}
file_list = splits.get(split, [])
if not file_list:
return
for _ in range(max(1, int(repeat))):
for p in file_list:
y, _sr = librosa.load(p, sr=16000, mono=True)
yield y.astype(np.float32, copy=False)
clips_obj.audio_generator = types.MethodType(audio_generator_from_wavs, clips_obj)
def generate_feature_set(input_wav_dir: str, out_root_dir: str, label: str):
files = glob.glob(os.path.join(input_wav_dir, "*.wav"))
if not files:
print(f" No WAVs found for {label} in: {input_wav_dir} (skipping)")
return False
max_samples = len(files)
print(f"\n===== Augmenting {max_samples} wake word samples ({label}) =====")
clips = Clips(
input_directory=input_wav_dir,
file_pattern="*.wav",
max_clip_duration_s=5,
remove_silence=True,
random_split_seed=10,
split_count=0.1,
)
print(" Generating files")
print(" Sit tight — this step can take a while.")
bind_wav_generator(clips, input_wav_dir)
gen = spectros.spectrogram_generator(
split=cfg["name"],
repeat=cfg["repetition"],
)
out_root = Path(out_root_dir)
out_root.mkdir(parents=True, exist_ok=True)
RaggedMmap.from_generator(
out_dir=str(out_dir / "wakeword_mmap"),
sample_generator=gen,
batch_size=100,
verbose=False, # keep mmap quiet
)
for split, cfg in split_cfg.items():
out_dir = out_root / split
out_dir.mkdir(parents=True, exist_ok=True)
print(f" Augmenting {split} ({label})")
print(f" {split} augmentation complete")
spectros = SpectrogramGeneration(
clips=clips,
augmenter=augmenter,
slide_frames=cfg["slide_frames"],
step_ms=10,
)
gen = spectros.spectrogram_generator(
split=cfg["name"],
repeat=cfg["repetition"],
)
RaggedMmap.from_generator(
out_dir=str(out_dir / "wakeword_mmap"),
sample_generator=gen,
batch_size=100,
verbose=False,
)
print(f" {split} augmentation complete ({label})")
print(f"✅ Features ready: {out_root_dir}/*/wakeword_mmap")
return True
# Wake word generated/TTS features (existing behavior)
generate_feature_set(args.input_dir, args.output_dir, "generated")
# Personal features (NEW)
generate_feature_set(args.personal_dir, args.personal_output_dir, "personal")
END_TIME = datetime.now(timezone.utc).replace(microsecond=0)
et = END_TIME - START_TIME
print(f"\n{'=' * 80}")
msg = f"Augmented {max_samples} wake word samples."
print(f"{msg:>50s} Elapsed time: {et!s}")
print(f"{'Augmentation completed.':>50s} Elapsed time: {et!s}")
print(f"{'=' * 80}\n")

View File

@@ -60,43 +60,57 @@ check_directories() {
check_directories ${WORK_DIR}/wake_word_samples_augmented \
${TRAINING_DS}/negative_datasets/{speech,dinner_party,no_speech,dinner_party_eval}
# Personal features are optional, but if present they MUST have /training
PERSONAL_FEATURES_DIR="${WORK_DIR}/personal_augmented_features"
HAS_PERSONAL="false"
if [ -d "${PERSONAL_FEATURES_DIR}/training" ] ; then
HAS_PERSONAL="true"
echo "✅ Found personal features: ${PERSONAL_FEATURES_DIR}/training (will weight sampling_weight=3.0)"
else
echo " No personal features found at ${PERSONAL_FEATURES_DIR}/training (continuing without personal weighting)"
fi
cd "${WORK_DIR}"
echo "===== Starting ${TRAINING_STEPS} training steps ====="
START_TS=$EPOCHSECONDS
mkdir -p "${WORK_DIR}/trained_models" || :
cat <<EOF >"${WORK_DIR}/trained_models/training_parameters.yaml"
# We write a YAML with a marker, then splice personal feature block in if it exists.
YAML_PATH="${WORK_DIR}/trained_models/training_parameters.yaml"
cat <<'EOF' > "${YAML_PATH}"
batch_size: 16
clip_duration_ms: 1500
eval_step_interval: 500
features:
- features_dir: ${WORK_DIR}/wake_word_samples_augmented
- features_dir: __WAKEWORD_FEATURES__
penalty_weight: 1.0
sampling_weight: 2.0
truncation_strategy: truncate_start
truth: true
type: mmap
- features_dir: ${TRAINING_DS}/negative_datasets/speech
__PERSONAL_FEATURE_MARKER__
- features_dir: __NEG_SPEECH__
penalty_weight: 1.0
sampling_weight: 12.0
truncation_strategy: random
truth: false
type: mmap
- features_dir: ${TRAINING_DS}/negative_datasets/dinner_party
- features_dir: __NEG_DINNER__
penalty_weight: 1.0
sampling_weight: 12.0
truncation_strategy: random
truth: false
type: mmap
- features_dir: ${TRAINING_DS}/negative_datasets/no_speech
- features_dir: __NEG_NOSPEECH__
penalty_weight: 1.0
sampling_weight: 5.0
truncation_strategy: random
truth: false
type: mmap
- features_dir: ${TRAINING_DS}/negative_datasets/dinner_party_eval
- features_dir: __NEG_DINNER_EVAL__
penalty_weight: 1.0
sampling_weight: 0.0
truncation_strategy: split
@@ -119,25 +133,46 @@ time_mask_count:
- 0
time_mask_max_size:
- 0
train_dir: ${WORK_DIR}/trained_models/wakeword
train_dir: __TRAIN_DIR__
training_steps:
- ${TRAINING_STEPS}
- __TRAINING_STEPS__
window_step_ms: 10
EOF
# Replace placeholders (portable)
sed -i \
-e "s|__WAKEWORD_FEATURES__|${WORK_DIR}/wake_word_samples_augmented|g" \
-e "s|__NEG_SPEECH__|${TRAINING_DS}/negative_datasets/speech|g" \
-e "s|__NEG_DINNER__|${TRAINING_DS}/negative_datasets/dinner_party|g" \
-e "s|__NEG_NOSPEECH__|${TRAINING_DS}/negative_datasets/no_speech|g" \
-e "s|__NEG_DINNER_EVAL__|${TRAINING_DS}/negative_datasets/dinner_party_eval|g" \
-e "s|__TRAIN_DIR__|${WORK_DIR}/trained_models/wakeword|g" \
-e "s|__TRAINING_STEPS__|${TRAINING_STEPS}|g" \
"${YAML_PATH}"
# Insert/remove personal block
if [ "${HAS_PERSONAL}" = "true" ]; then
# Insert directly after the wakeword feature block (matches your notebook: insert(1, ...))
perl -0777 -i -pe 's/__PERSONAL_FEATURE_MARKER__/\n- features_dir: '"${PERSONAL_FEATURES_DIR}"'\n penalty_weight: 1.0\n sampling_weight: 3.0\n truncation_strategy: truncate_start\n truth: true\n type: mmap\n/g' "${YAML_PATH}"
else
# Remove marker line entirely
sed -i -e "/__PERSONAL_FEATURE_MARKER__/d" "${YAML_PATH}"
fi
echo " Wrote training_parameters.yaml"
rm -rf "${WORK_DIR}/trained_models/wakeword"
wake_word_filename="${WAKE_WORD//[ \`~\!\$&*$begin:math:text$$end:math:text$\{\}$begin:math:display$$end:math:display$\|\;\'\"<>.?\/]/_}"
wake_word_filename="$(
echo "${WAKE_WORD}" \
| tr '[:upper:]' '[:lower:]' \
| sed -E 's/[^a-z0-9]+/_/g; s/^_+//; s/_+$//'
)"
[ -n "${wake_word_filename}" ] || wake_word_filename="wakeword"
OUTPUT_DIR="${DATA_DIR}/output/$(date +'%Y-%m-%d-%H-%M-%S')-${wake_word_filename}-${SAMPLES}-${TRAINING_STEPS}"
mkdir -p "${OUTPUT_DIR}/logs" || :
TRAIN_LOG="${OUTPUT_DIR}/logs/training.log"
# ------------------------------------------------------------------
# Training args (same as before)
# ------------------------------------------------------------------
TRAIN_ARGS=(
-m microwakeword.model_train_eval
--training_config "${WORK_DIR}/trained_models/training_parameters.yaml"
@@ -159,10 +194,6 @@ TRAIN_ARGS=(
--stride 2
)
# ------------------------------------------------------------------
# GPU failure markers that should trigger CPU fallback
# (OOM + known GPU runtime/copy/init failures)
# ------------------------------------------------------------------
GPU_FALLBACK_MARKERS=(
"resourceexhaustederror"
"resource exhausted"
@@ -189,7 +220,6 @@ run_attempt() {
echo "→ ${PYTHON_BIN:-python} ${TRAIN_ARGS[*]}"
echo
# stream everything except validation minibatch spam
"${PYTHON_BIN:-python}" "${TRAIN_ARGS[@]}" 2>&1 \
| tr '\r' '\n' \
| stdbuf -i0 -o0 sed -r -e "/^Validation Batch/d" \
@@ -199,20 +229,17 @@ run_attempt() {
return ${PIPESTATUS[0]}
}
# ---- Common TF env (mirrors your notebook) ----
export TF_CPP_MIN_LOG_LEVEL="${TF_CPP_MIN_LOG_LEVEL:-2}"
export TF_XLA_FLAGS="${TF_XLA_FLAGS:---tf_xla_auto_jit=0}"
export NVIDIA_TF32_OVERRIDE="${NVIDIA_TF32_OVERRIDE:-1}"
export TF_FORCE_GPU_ALLOW_GROWTH="${TF_FORCE_GPU_ALLOW_GROWTH:-true}"
export TF_GPU_ALLOCATOR="${TF_GPU_ALLOCATOR:-cuda_malloc_async}"
# Attempt 1: GPU
if run_attempt "Attempt 1/2: GPU training (allow_growth + cuda_malloc_async)" ; then
echo "✅ Training complete (GPU path)."
else
echo "⚠️ GPU attempt failed. Checking whether this looks like a GPU/OOM/runtime failure…"
# Check log for GPU/OOM/runtime markers
log_lc="$(tr '[:upper:]' '[:lower:]' < "${TRAIN_LOG}" || true)"
looks_like_gpu_fail="false"
for m in "${GPU_FALLBACK_MARKERS[@]}"; do
@@ -225,7 +252,6 @@ else
if [ "${looks_like_gpu_fail}" = "true" ]; then
echo "↪️ Detected GPU/OOM/runtime failure markers. Falling back to CPU."
# Attempt 2: CPU (hide GPU completely)
export CUDA_VISIBLE_DEVICES=""
unset TF_GPU_ALLOCATOR
if run_attempt "Attempt 2/2: CPU fallback (CUDA_VISIBLE_DEVICES='')" ; then
@@ -256,7 +282,6 @@ echo " Full log: ${TRAIN_LOG}"
tflite_filename="${wake_word_filename}.tflite"
tflite_path="${OUTPUT_DIR}/${tflite_filename}"
cp "${source_path}" "${tflite_path}"
json_path="${OUTPUT_DIR}/${wake_word_filename}.json"