fixed a gain

sentence_api/processing.py

@@ -4,7 +4,12 @@ import uuid
 from pathlib import Path
 from typing import List, Optional
 
-from .audio_metrics import AudioAnalysisError, analyze_samples, decode_audio_mono
+from .audio_metrics import (
+    AudioAnalysisError,
+    analyze_samples,
+    decode_audio_mono,
+    refine_sentence_end_ms,
+)
 from .config import Settings
 from .generate_boundaries import ALGORITHM_VERSION, make_entry
 from .models import SentenceBoundary, SentenceBoundaryDocument
@@ -112,15 +117,19 @@ def document_from_transcript(
     sentence_segments = split_sentences_at_punctuation(transcript.segments)
     for index, sentence_segment in enumerate(sentence_segments):
         start_ms = max(previous_end, int(round(sentence_segment.start_seconds * 1000)))
+        raw_end_ms = int(round(sentence_segment.end_seconds * 1000))
         end_ms = min(
             duration_ms,
-            int(round(sentence_segment.end_seconds * 1000)) + end_padding_ms,
+            raw_end_ms + end_padding_ms,
         )
         if index + 1 < len(sentence_segments):
             next_start_ms = int(
                 round(sentence_segments[index + 1].start_seconds * 1000)
             )
             end_ms = min(end_ms, next_start_ms)
+        end_ms = refine_sentence_end_ms(
+            samples, sample_rate, raw_end_ms=raw_end_ms, padded_end_ms=end_ms
+        )
         if not sentence_segment.text.strip() or end_ms <= start_ms:
             continue
         start_sample = max(0, int(start_ms / 1000 * sample_rate))