feat: upload app.py and needed file

DEMO.md

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+# 原語會族語語音辨識系統
+
+ILRDF Formosan Automatic-Speech-Recognition System
+
+## 研發團隊
+
+- [李鴻欣 Hung-Shin Lee](mailto:hungshinlee@gmail.com)
+- [陳力瑋 Li-Wei Chen](mailto:wayne900619@gmail.com)
+- [意傳科技](https://ithuan.tw/)
+- [原住民族語言研究發展基金會](https://www.ilrdf.org.tw/)
+
+## 特別致謝
+- [聯和科創](https://www.104.com.tw/company/1a2x6bmu75)
+- [台灣阿美族語言永續發展學會/原民會阿美族語言推動組織](https://www.facebook.com/groups/ypspt/about)
+- [台灣太魯閣族語言發展學會](https://qkktt.com/)
+- [台灣原住民族賽德克族語言文化學會](https://www.facebook.com/3S3TBL/)
+- 族語老師們

app.py

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+import json
+
+import gradio as gr
+from huggingface_hub import snapshot_download
+from omegaconf import OmegaConf
+from vosk import KaldiRecognizer, Model
+
+
+def load_vosk(model_id: str):
+    model_dir = snapshot_download(model_id)
+    return Model(model_path=model_dir)
+
+
+OmegaConf.register_new_resolver("load_vosk", load_vosk)
+
+models_config = OmegaConf.to_object(OmegaConf.load("configs/models.yaml"))
+
+
+def automatic_speech_recognition(model_id: str, dialect_id: str, audio_data: str):
+    if isinstance(models_config[model_id]["model"], dict):
+        model = models_config[model_id]["model"][dialect_id]
+    else:
+        model = models_config[model_id]["model"]
+
+    sample_rate, audio_array = audio_data
+    if audio_array.ndim == 2:
+        audio_array = audio_array[:, 0]
+
+    audio_bytes = audio_array.tobytes()
+
+    rec = KaldiRecognizer(model, sample_rate)
+
+    rec.SetWords(True)
+
+    results = []
+
+    for start in range(0, len(audio_bytes), 4000):
+        end = min(start + 4000, len(audio_bytes))
+        data = audio_bytes[start:end]
+        if rec.AcceptWaveform(data):
+            raw_result = json.loads(rec.Result())
+            results.append(raw_result)
+
+    final_result = json.loads(rec.FinalResult())
+    results.append(final_result)
+
+    filtered_lines = []
+
+    for result in results:
+        result["text"] = result["text"].replace(" ", "")
+        if len(result["text"]) > 0:
+            filtered_lines.append(result["text"])
+
+    return "，".join(filtered_lines) + "。"
+
+
+def when_model_selected(model_id: str):
+    model_config = models_config[model_id]
+
+    if "dialect_mapping" not in model_config:
+        return gr.update(visible=False)
+
+    dialect_drop_down_choices = [
+        (k, v) for k, v in model_config["dialect_mapping"].items()
+    ]
+
+    return gr.update(
+        choices=dialect_drop_down_choices,
+        value=dialect_drop_down_choices[0][1],
+        visible=True,
+    )
+
+
+demo = gr.Blocks(
+    title="臺灣南島語語音辨識系統",
+    css="@import url(https://tauhu.tw/tauhu-oo.css);",
+    theme=gr.themes.Default(
+        font=(
+            "tauhu-oo",
+            gr.themes.GoogleFont("Source Sans Pro"),
+            "ui-sans-serif",
+            "system-ui",
+            "sans-serif",
+        )
+    ),
+)
+
+with demo:
+    default_model_id = list(models_config.keys())[0]
+    model_drop_down = gr.Dropdown(
+        models_config.keys(),
+        value=default_model_id,
+        label="模型",
+    )
+
+    dialect_drop_down = gr.Radio(
+        choices=[
+            (k, v)
+            for k, v in models_config[default_model_id]["dialect_mapping"].items()
+        ],
+        value=list(models_config[default_model_id]["dialect_mapping"].values())[0],
+        label="族別",
+    )
+
+    model_drop_down.input(
+        when_model_selected,
+        inputs=[model_drop_down],
+        outputs=[dialect_drop_down],
+    )
+
+    with open("DEMO.md") as tong:
+        gr.Markdown(tong.read())
+
+    gr.Interface(
+        automatic_speech_recognition,
+        inputs=[
+            model_drop_down,
+            dialect_drop_down,
+            gr.Audio(
+                label="上傳或錄音",
+                type="numpy",
+                format="wav",
+                waveform_options=gr.WaveformOptions(
+                    sample_rate=16000,
+                ),
+            ),
+        ],
+        outputs=[
+            gr.Text(interactive=False, label="客語漢字"),
+        ],
+        allow_flagging="auto",
+    )
+
+demo.launch()

configs/models.yaml

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+formosan-kaldi:
+  model:
+    formosan_ami: ${load_vosk:united-link/kaldi-formosan-ami}
+    formosan_sdq: ${load_vosk:united-link/kaldi-formosan-sdq}
+    formosan_trv: ${load_vosk:united-link/kaldi-formosan-trv}
+    formosan_pwn: ${load_vosk:united-link/kaldi-formosan-pwn}
+    
+  dialect_mapping:
+    阿美: formosan_ami
+    賽德克: formosan_sdq
+    太魯閣: formosan_trv
+    排灣: formosan_pwn

requirements.txt

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+vosk
+omegaconf