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Fix duration estimation #10

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Fix duration estimation #10

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8 changes: 4 additions & 4 deletions inference_commandline.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,15 +29,15 @@ def seed_everything(seed=1):
torch.backends.cudnn.deterministic = True


def estimate_duration(ref_audio_path, text):
def estimate_duration(ref_audio_path, ref_text, target_text):
"""
Estimate duration based on seconds per character from the reference audio.
"""
info = torchaudio.info(ref_audio_path)
audio_duration = info.num_frames / info.sample_rate
length_text = max(len(text), 1)
length_text = max(len(ref_text), 1)
spc = audio_duration / length_text # seconds per character
return len(text) * spc
return len(target_text) * spc

############################################################
# Main Inference Function
Expand Down Expand Up @@ -113,7 +113,7 @@ def run_inference(

# If target_duration not provided, estimate from reference speech + target_text
if target_duration is None:
target_generation_length = estimate_duration(reference_speech, target_text)
target_generation_length = estimate_duration(reference_speech, prefix_transcript, target_text)
print(f"[Info] target_duration not provided, estimated as {target_generation_length:.2f} seconds. If not desired, please provide a target_duration.")
else:
target_generation_length = float(target_duration)
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8 changes: 4 additions & 4 deletions inference_gradio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,15 +43,15 @@ def seed_everything(seed=1):
torch.backends.cudnn.deterministic = True


def estimate_duration(ref_audio_path, text):
def estimate_duration(ref_audio_path, ref_text, target_text):
"""
Estimate duration based on seconds per character from the reference audio.
"""
info = torchaudio.info(ref_audio_path)
audio_duration = info.num_frames / info.sample_rate
length_text = max(len(text), 1)
length_text = max(len(ref_text), 1)
spc = audio_duration / length_text # seconds per character
return len(text) * spc
return len(target_text) * spc


############################################################
Expand Down Expand Up @@ -119,7 +119,7 @@ def run_inference(

# 4. If target_duration not provided, estimate from reference speech + target_text
if target_duration is None:
target_generation_length = estimate_duration(reference_speech, target_text)
target_generation_length = estimate_duration(reference_speech, prefix_transcript, target_text)
print(f"[Info] target_duration not provided, estimated as {target_generation_length:.2f}s. Provide --target_duration if needed.")
else:
target_generation_length = float(target_duration)
Expand Down