Fun ASR model for fasr
Project description
fasr-asr-funasr
英文文档地址: README_EN.md
Fun-ASR-Nano 语音识别插件。该插件封装 funasr.AutoModel,把整段识别文本写入
AudioSpan.raw_text,不返回词级或字级时间戳。
安装
pip install fasr-asr-funasr
注册模型
| 注册名 | 类 | 适用场景 |
|---|---|---|
fun_asr_nano |
FunASRNano |
轻量 FunASR 识别,无时间戳输出 |
默认 checkpoint 是 FunAudioLLM/Fun-ASR-Nano-2512。
流水线使用
from fasr import AudioPipeline
pipeline = (
AudioPipeline()
.add_pipe("detector", model="fsmn")
.add_pipe(
"recognizer",
model="fun_asr_nano",
device="cuda:0",
language="中文",
itn=True,
)
.add_pipe("sentencizer", model="ct_transformer")
)
| 目标 | 写法 | 效果 |
|---|---|---|
| CPU 推理 | device="cpu" |
不依赖 CUDA,但通常更慢 |
| 使用第一张 GPU | device="cuda:0" |
使用 GPU 0 |
| 关闭数字/日期规范化 | itn=False |
保留更接近口语的文本 |
| 固定语言提示 | language="中文" |
把语言标签传给 FunASR |
Confection 配置
[asr_model]
@asr_models = "fun_asr_nano"
device = "cuda:0"
language = "中文"
itn = true
batch_size = 1
放在流水线里:
[pipeline]
@pipelines = "AudioPipeline.v1"
pipe_order = ["recognizer"]
[pipeline.pipes]
[pipeline.pipes.recognizer]
@pipes = "thread_pipe"
batch_size = 4
[pipeline.pipes.recognizer.component]
@components = "recognizer"
[pipeline.pipes.recognizer.component.model]
@asr_models = "fun_asr_nano"
device = "cuda:0"
language = "中文"
itn = true
batch_size = 1
单独使用
from fasr.config import registry
model = registry.asr_models.get("fun_asr_nano")()
model.device = "cuda:0"
spans = model.transcribe(audio_spans, hotwords=["fasr"], language="中文")
for span in spans:
print(span.text)
使用本地权重:
model.load_checkpoint("/path/to/Fun-ASR-Nano")
参数
| 参数 | 类型 / 范围 | 默认值 | 调高 / 开启时 | 调低 / 关闭时 | 什么时候改 |
|---|---|---|---|---|---|
device |
str |
"cuda:0" |
选择 CUDA 设备,如 "cuda:1" |
"cpu" 使用 CPU |
部署设备变化 |
language |
str |
"中文" |
更强语言提示 | 换成其它支持的语言标签 | 已知音频语言 |
itn |
bool |
True |
规范化数字、日期等 | 保留较原始文本 | 需要口语形式输出 |
batch_size |
int >= 1 |
1 |
吞吐更高,占用更多内存 | 内存更省,吞吐更低 | 批量推理调优 |
trust_remote_code |
bool |
True |
允许加载 checkpoint 自定义代码 | 更安全,但部分模型可能加载失败 | 使用不可信 checkpoint |
输出
- 写入
span.raw_text。 - 不填充
span.tokens,因为 Fun-ASR-Nano 不返回时间戳。 - 读取
span.text即可得到识别文本。
依赖
fasrfunasr- Python 3.10-3.12
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