[Feature] 调整VAD工作流程,规范VAD产出数据规范为 models/audiobinary中的AudioBinary_Chunk;完整测试LogicTrager VAD online流程。
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src/functor/__init__.py
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4
src/functor/__init__.py
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from .vad_functor import VAD
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from .model_loader import load_models
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__all__ = ["VAD", "load_models"]
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@ -7,6 +7,7 @@
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import numpy as np
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import logging
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from typing import List, Optional, Union
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from src.models import AudioBinary_Config
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# 配置日志
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logging.basicConfig(
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@ -20,22 +21,19 @@ class AudioChunk:
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def __init__(self,
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max_duration_ms: int = 1000*60*60*10,
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sample_rate: int = 16000,
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sample_width: int = 2,
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channels: int = 1):
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audio_config : AudioBinary_Config = None,
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):
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"""
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初始化音频数据块管理器
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参数:
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max_duration_ms: 音频池最大留存时间(ms),默认10小时
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sample_rate: 采样率,默认16KHz
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sample_width: 采样位宽,默认16bit
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channels: 通道数,默认1
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audio_config: 音频配置信息
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"""
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# 音频参数
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self.sample_rate = sample_rate # 采样率:16KHz
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self.sample_width = sample_width # 采样位宽:16bit
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self.channels = channels # 通道数:单声道
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self.sample_rate = audio_config.sample_rate if audio_config is not None else 16000 # 采样率:16KHz
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self.sample_width = audio_config.sample_width if audio_config is not None else 2 # 采样位宽:16bit
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self.channels = audio_config.channels if audio_config is not None else 1 # 通道数:单声道
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# 数据存储
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self._max_duration_ms = max_duration_ms
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@ -84,6 +82,18 @@ class AudioChunk:
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logger.error(f"添加音频数据块时出错: {e}")
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return False
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def get_chunk_binary(self, start: int = 0, end: Optional[int] = None) -> Optional[bytes]:
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"""
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获取指定索引的音频数据块
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"""
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print("[AudioChunk] get_chunk_binary", start, end)
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if start >= len(self._chunk):
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return None
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if end is None or end > len(self._chunk):
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end = len(self._chunk)
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data = b''.join(self._chunk)
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return data[start:end]
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def get_chunk(self, start_ms: int = 0, end_ms: Optional[int] = None) -> Optional[bytes]:
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"""
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获取指定时间范围的音频数据
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@ -35,6 +35,7 @@ def load_models(args):
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device=args.device,
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disable_pbar=True,
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disable_log=True,
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disable_update=True,
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)
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# 2. 加载在线ASR模型
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@ -47,6 +48,7 @@ def load_models(args):
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device=args.device,
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disable_pbar=True,
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disable_log=True,
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disable_update=True,
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)
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# 3. 加载VAD模型
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@ -59,6 +61,7 @@ def load_models(args):
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device=args.device,
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disable_pbar=True,
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disable_log=True,
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disable_update=True,
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)
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# 4. 加载标点符号模型(如果指定)
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@ -72,6 +75,7 @@ def load_models(args):
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device=args.device,
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disable_pbar=True,
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disable_log=True,
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disable_update=True,
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)
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else:
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models["punc"] = None
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60
src/functor/vad_functor.py
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src/functor/vad_functor.py
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from funasr import AutoModel
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from typing import List, Dict, Any
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from src.models import VADResponse
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from src.models import AudioBinary_Config
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from src.functor.audiochunk import AudioChunk
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from src.models import AudioBinary_Chunk
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from typing import Callable
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class VAD:
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def __init__(self,
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VAD_model = None,
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audio_config : AudioBinary_Config = None,
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callback: Callable = None,
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):
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# vad model
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self.VAD_model = VAD_model
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if self.VAD_model is None:
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self.VAD_model = AutoModel(model="fsmn-vad", model_revision="v2.0.4", disable_update=True)
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# audio config
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self.audio_config = audio_config
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# vad result
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self.vad_result = VADResponse(time_chunk_index_callback=callback)
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# audio binary poll
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self.audio_chunk = AudioChunk(
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audio_config=self.audio_config
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)
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self.cache = {}
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def push_binary_data(self,
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binary_data: bytes,
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):
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# 压入二进制数据
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self.audio_chunk.add_chunk(binary_data)
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# 处理音频块
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res = self.VAD_model.generate(input=binary_data,
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cache=self.cache,
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chunk_size=self.audio_config.chunk_size,
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is_final=False)
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# print("VAD generate", res)
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if len(res[0]["value"]):
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self.vad_result += VADResponse.from_raw(res)
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def set_callback(self,
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callback: Callable,
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):
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self.vad_result.time_chunk_index_callback = callback
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def process_vad_result(self, callback: Callable = None):
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# 处理VAD结果
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callback = callback if callback is not None else self.vad_result.time_chunk_index_callback
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self.vad_result.process_time_chunk(
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lambda x : callback(
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AudioBinary_Chunk(
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start_time=x["start_time"],
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end_time=x["end_time"],
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chunk=self.audio_chunk.get_chunk(x["start_time"], x["end_time"])
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)
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)
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)
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@ -5,7 +5,7 @@
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"""
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import logging
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from typing import Any, Dict, Type
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from typing import Any, Dict, Type, Callable
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# 配置日志
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logging.basicConfig(
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@ -88,57 +88,62 @@ class AutoAfterMeta(type):
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5->6 __after__push_result_queue 调用回调函数
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"""
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from src.functor import VAD
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from src.models import AudioBinary_Config
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from src.models import AudioBinary_Chunk
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from typing import List
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class LogicTrager(metaclass=AutoAfterMeta):
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"""逻辑触发器类"""
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def __init__(self,
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audio_chunk_max_size: int = 1024 * 1024 * 10,
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sample_rate: int = 16000,
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channels: int = 1,
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on_result_callback: Callable = None,
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audio_config: AudioBinary_Config = None,
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result_callback: Callable = None,
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models: Dict[str, Any] = None,
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):
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"""初始化"""
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# 存储音频块
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self._audio_chunk = []
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self._audio_chunk : List[AudioBinary_Chunk] = []
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# 存储二进制数据
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self._audio_chunk_binary = b''
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self._audio_chunk_max_size = audio_chunk_max_size
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# 音频参数
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self._sample_rate = sample_rate
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self._channels = channels
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self._audio_config = audio_config if audio_config is not None else AudioBinary_Config()
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# 结果队列
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self._result_queue = []
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# 回调函数
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self._on_result_callback = on_result_callback
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# 聚合结果回调函数
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self._aggregate_result_callback = result_callback
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# 组件
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self._vad = VAD(VAD_model = models.get("vad"), audio_config = self._audio_config)
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self._vad.set_callback(self.push_audio_chunk)
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logger.info("初始化LogicTrager")
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def push_binary_data(self, chunk: bytes) -> None:
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"""
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添加音频块
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压入音频块至VAD模块
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参数:
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chunk: 音频数据块
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"""
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if self._audio_chunk is None:
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logger.error("AudioChunk未初始化")
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return
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self._audio_chunk_binary += chunk
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logger.debug(f"添加音频块,大小: {len(chunk)}字节")
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# print("LogicTrager push_binary_data", len(chunk))
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self._vad.push_binary_data(chunk)
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self.__after__push_binary_data()
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def __after__push_binary_data(self) -> None:
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"""
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添加音频块后处理
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VAD检测,将检测到的VAD压入音频块
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"""
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# VAD检测
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pass
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# 压入音频块 push_audio_chunk
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# print("LogicTrager __after__push_binary_data")
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self._vad.process_vad_result()
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def push_audio_chunk(self, chunk: bytes) -> None:
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def push_audio_chunk(self, chunk: AudioBinary_Chunk) -> None:
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"""
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压入音频块
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音频处理
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"""
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print("LogicTrager push_audio_chunk [{}ms:{}ms] (len={})".format(chunk.start_time, chunk.end_time, len(chunk.chunk)))
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self._audio_chunk.append(chunk)
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def __after__push_audio_chunk(self) -> None:
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3
src/models/__init__.py
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3
src/models/__init__.py
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from .audiobinary import AudioBinary_Config, AudioBinary_Chunk
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from .vad import VADResponse
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__all__ = ["AudioBinary_Config", "AudioBinary_Chunk", "VADResponse"]
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src/models/audiobinary.py
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16
src/models/audiobinary.py
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from pydantic import BaseModel, Field
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class AudioBinary_Config(BaseModel):
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"""二进制音频块配置信息"""
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audio_data: bytes = Field(description="音频数据", default=None)
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chunk_size: int = Field(description="块大小", default=100)
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chunk_stride: int = Field(description="块步长", default=1600)
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sample_rate: int = Field(description="采样率", default=16000)
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sample_width: int = Field(description="采样位宽", default=2)
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channels: int = Field(description="通道数", default=1)
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class AudioBinary_Chunk(BaseModel):
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"""音频块"""
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start_time: int = Field(description="开始时间", default=0)
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end_time: int = Field(description="结束时间", default=0)
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chunk: bytes = Field(description="音频块", default=None)
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"""处理时间块"""
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# print("Enter process_time_chunk", self.time_chunk_index, len(self.time_chunk))
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while self.time_chunk_index < len(self.time_chunk) - 1:
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if self.time_chunk[self.time_chunk_index].end != -1:
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index = self.time_chunk_index
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if self.time_chunk[index].end != -1:
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x = {
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"start_time": self.time_chunk[index].start,
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"end_time": self.time_chunk[index].end
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}
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if callback is not None:
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callback(self.time_chunk_index)
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callback(x)
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elif self.time_chunk_index_callback is not None:
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self.time_chunk_index_callback(self.time_chunk_index)
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self.time_chunk_index_callback(x)
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else:
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print("[Warning] No callback available")
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self.time_chunk_index += 1
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@ -125,3 +130,14 @@ class VADResponse(BaseModel):
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result_str += f"[{value_item.start}:{value_item.end}]\n"
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return result_str
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def __iter__(self):
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return iter(self.time_chunk)
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def __next__(self):
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return next(self.time_chunk)
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def __len__(self):
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return len(self.time_chunk)
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def __getitem__(self, index):
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return self.time_chunk[index]
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from tests.modelsuse import vad_model_use_online
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from tests.modelsuse import vad_model_use_online_logic
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vad_result = vad_model_use_online("tests/vad_example.wav")
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vad_result = vad_model_use_online_logic("tests/vad_example.wav")
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print(vad_result)
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from funasr import AutoModel
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from typing import List, Dict, Any
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from src.pydantic_models import VADResponse
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from src.models import VADResponse
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import time
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def vad_model_use_online(file_path: str) -> List[Dict[str, Any]]:
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@ -32,6 +32,36 @@ def vad_model_use_online(file_path: str) -> List[Dict[str, Any]]:
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# print(item)
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return vad_result
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def vad_model_use_online_logic(file_path: str) -> List[Dict[str, Any]]:
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from src.logic_trager import LogicTrager
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import soundfile
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from src.config import parse_args
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args = parse_args()
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from src.functor.model_loader import load_models
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models = load_models(args)
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chunk_size = 200 # ms
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from src.models import AudioBinary_Config
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import soundfile
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speech, sample_rate = soundfile.read(file_path)
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chunk_stride = int(chunk_size * sample_rate / 1000)
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audio_config = AudioBinary_Config(sample_rate=sample_rate, sample_width=2, channels=1, chunk_size=chunk_size)
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logic_trager = LogicTrager(models=models, audio_config=audio_config)
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for i in range(len(speech)//chunk_stride+1):
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speech_chunk = speech[i*chunk_stride:(i+1)*chunk_stride]
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logic_trager.push_binary_data(speech_chunk)
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# for item in items:
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# print(item)
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return None
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if __name__ == "__main__":
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vad_result = vad_model_use_online("tests/vad_example.wav")
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# vad_result = vad_model_use_online("tests/vad_example.wav")
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vad_result = vad_model_use_online_logic("tests/vad_example.wav")
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# print(vad_result)
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