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Convert to mono if prompt audio is multi-channel #8

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Convert to mono if prompt audio is multi-channel #8

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4bc6067
Convert to mono if prompt audio is multi-channel
Barzarrhey Sep 15, 2025
5dbf3da
Update model.py
Barzarrhey Sep 15, 2025
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3 changes: 3 additions & 0 deletions fireredtts2/codec/model.py
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Expand Up @@ -211,6 +211,9 @@ def __init__(self, codec: RedCodec):
def from_pretrained(cls, conf_path: str, ckpt_path: str) -> "RedCodecInfer":
with open(conf_path, "r") as f:
codec = RedCodec.from_config(conf_path)
# support cpu
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
ckpt = torch.load(ckpt_path, map_location=device)["generator"]
ckpt = torch.load(ckpt_path)["generator"]
codec.load_state_dict(ckpt)
return cls(codec)
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3 changes: 3 additions & 0 deletions fireredtts2/fireredtts2.py
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Expand Up @@ -58,6 +58,9 @@ def __init__(self, pretrained_dir, gen_type, device):

def load_prompt_audio(self, audio_path) -> torch.Tensor:
audio, audio_sr = torchaudio.load(audio_path)
# Convert to mono if multi-channel
if audio.shape[0] > 1:
audio = torch.mean(audio, dim=0, keepdim=True)
audio16k = torchaudio.functional.resample(audio, audio_sr, 16000)
return audio16k

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