Merge pull request #1081 from xinnan-tech/test-aliyun-asr

update:增加阿里云ASR
This commit is contained in:
欣南科技
2025-04-30 23:34:16 +08:00
committed by GitHub
6 changed files with 302 additions and 7 deletions
+1 -1
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@@ -231,7 +231,7 @@ Websocket接口地址: wss://2662r3426b.vicp.fun/xiaozhi/v1/
| 使用方式 | 支持平台 | 免费平台 |
|:---:|:---:|:---:|
| 本地使用 | FunASR、SherpaASR | FunASR、SherpaASR |
| 接口调用 | DoubaoASR | - |
| 接口调用 | DoubaoASR、FunASRServer、TencentASR、AliyunASR | FunASRServer |
---
@@ -1,3 +0,0 @@
update `ai_model_provider` set `fields` =
'[{"key": "api_url","label": "API地址","type": "string"},{"key": "voice","label": "音色","type": "string"},{"key": "output_dir","label": "输出目录","type": "string"},{"key": "authorization","label": "授权","type": "string"},{"key": "appid","label": "应用ID","type": "string"},{"key": "access_token","label": "访问令牌","type": "string"},{"key": "cluster","label": "集群","type": "string"},{"key": "speed_ratio","label": "语速","type": "number"},{"key": "volume_ratio","label": "音量","type": "number"},{"key": "pitch_ratio","label": "音高","type": "number"}]'
where `id` = 'SYSTEM_TTS_doubao';
@@ -0,0 +1,20 @@
update `ai_model_provider` set `fields` =
'[{"key": "api_url","label": "API地址","type": "string"},{"key": "voice","label": "音色","type": "string"},{"key": "output_dir","label": "输出目录","type": "string"},{"key": "authorization","label": "授权","type": "string"},{"key": "appid","label": "应用ID","type": "string"},{"key": "access_token","label": "访问令牌","type": "string"},{"key": "cluster","label": "集群","type": "string"},{"key": "speed_ratio","label": "语速","type": "number"},{"key": "volume_ratio","label": "音量","type": "number"},{"key": "pitch_ratio","label": "音高","type": "number"}]'
where `id` = 'SYSTEM_TTS_doubao';
-- 添加阿里云ASR供应器
INSERT INTO `ai_model_provider` (`id`, `model_type`, `provider_code`, `name`, `fields`, `sort`, `creator`, `create_date`, `updater`, `update_date`) VALUES
('SYSTEM_ASR_AliyunASR', 'ASR', 'aliyun', '阿里云语音识别', '[{"key":"appkey","label":"应用AppKey","type":"string"},{"key":"token","label":"临时Token","type":"string"},{"key":"access_key_id","label":"AccessKey ID","type":"string"},{"key":"access_key_secret","label":"AccessKey Secret","type":"string"},{"key":"output_dir","label":"输出目录","type":"string"}]', 5, 1, NOW(), 1, NOW());
-- 添加阿里云ASR模型配置
INSERT INTO `ai_model_config` VALUES ('ASR_AliyunASR', 'ASR', 'AliyunASR', '阿里云语音识别', 0, 1, '{\"type\": \"aliyun\", \"appkey\": \"\", \"token\": \"\", \"access_key_id\": \"\", \"access_key_secret\": \"\", \"output_dir\": \"tmp/\"}', NULL, NULL, 6, NULL, NULL, NULL, NULL);
-- 更新阿里云ASR模型配置的说明文档
UPDATE `ai_model_config` SET
`doc_link` = 'https://nls-portal.console.aliyun.com/',
`remark` = '阿里云ASR配置说明:
1. 访问 https://nls-portal.console.aliyun.com/ 开通服务
2. 访问 https://nls-portal.console.aliyun.com/applist 获取appkey
3. 访问 https://nls-portal.console.aliyun.com/overview 获取token
4. 获取access_key_id和access_key_secret
5. 填入配置文件中' WHERE `id` = 'ASR_AliyunASR';
@@ -87,9 +87,9 @@ databaseChangeLog:
encoding: utf8
path: classpath:db/changelog/202504291043.sql
- changeSet:
id: 202504301339
id: 202504301340
author: Goody
changes:
- sqlFile:
encoding: utf8
path: classpath:db/changelog/202504301339.sql
path: classpath:db/changelog/202504301340.sql
+14 -1
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@@ -241,6 +241,19 @@ ASR:
secret_id: 你的腾讯语音合成服务secret_id
secret_key: 你的腾讯语音合成服务secret_key
output_dir: tmp/
AliyunASR:
# 阿里云智能语音交互服务,需要先在阿里云平台开通服务,然后获取验证信息
# 平台地址:https://nls-portal.console.aliyun.com/
# appkey地址:https://nls-portal.console.aliyun.com/applist
# token地址:https://nls-portal.console.aliyun.com/overview
# 定义ASR API类型
type: aliyun
appkey: 你的阿里云智能语音交互服务项目Appkey
token: 你的阿里云智能语音交互服务AccessToken,临时的24小时,要长期用下方的access_key_idaccess_key_secret
access_key_id: 的阿里云账号access_key_id
access_key_secret: 你的阿里云账号access_key_secret
output_dir: tmp/
VAD:
SileroVAD:
type: silero
@@ -643,4 +656,4 @@ TTS:
headers: # 自定义请求头
# Authorization: Bearer xxxx
format: wav # 接口返回的音频格式
output_dir: tmp/
output_dir: tmp/
@@ -0,0 +1,265 @@
import http.client
import json
import asyncio
from typing import Optional, Tuple, List
import opuslib_next
import wave
import io
import os
import uuid
import hmac
import hashlib
import base64
import requests
from urllib import parse
import time
from datetime import datetime
from config.logger import setup_logging
from core.providers.asr.base import ASRProviderBase
TAG = __name__
logger = setup_logging()
class AccessToken:
@staticmethod
def _encode_text(text):
encoded_text = parse.quote_plus(text)
return encoded_text.replace('+', '%20').replace('*', '%2A').replace('%7E', '~')
@staticmethod
def _encode_dict(dic):
keys = dic.keys()
dic_sorted = [(key, dic[key]) for key in sorted(keys)]
encoded_text = parse.urlencode(dic_sorted)
return encoded_text.replace('+', '%20').replace('*', '%2A').replace('%7E', '~')
@staticmethod
def create_token(access_key_id, access_key_secret):
parameters = {'AccessKeyId': access_key_id,
'Action': 'CreateToken',
'Format': 'JSON',
'RegionId': 'cn-shanghai',
'SignatureMethod': 'HMAC-SHA1',
'SignatureNonce': str(uuid.uuid1()),
'SignatureVersion': '1.0',
'Timestamp': time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()),
'Version': '2019-02-28'}
# 构造规范化的请求字符串
query_string = AccessToken._encode_dict(parameters)
# print('规范化的请求字符串: %s' % query_string)
# 构造待签名字符串
string_to_sign = 'GET' + '&' + AccessToken._encode_text('/') + '&' + AccessToken._encode_text(query_string)
# print('待签名的字符串: %s' % string_to_sign)
# 计算签名
secreted_string = hmac.new(bytes(access_key_secret + '&', encoding='utf-8'),
bytes(string_to_sign, encoding='utf-8'),
hashlib.sha1).digest()
signature = base64.b64encode(secreted_string)
# print('签名: %s' % signature)
# 进行URL编码
signature = AccessToken._encode_text(signature)
# print('URL编码后的签名: %s' % signature)
# 调用服务
full_url = 'http://nls-meta.cn-shanghai.aliyuncs.com/?Signature=%s&%s' % (signature, query_string)
# print('url: %s' % full_url)
# 提交HTTP GET请求
response = requests.get(full_url)
if response.ok:
root_obj = response.json()
key = 'Token'
if key in root_obj:
token = root_obj[key]['Id']
expire_time = root_obj[key]['ExpireTime']
return token, expire_time
# print(response.text)
return None, None
class ASRProvider(ASRProviderBase):
def __init__(self, config: dict, delete_audio_file: bool):
"""阿里云ASR初始化"""
# 新增空值判断逻辑
self.access_key_id = config.get("access_key_id")
self.access_key_secret = config.get("access_key_secret")
self.app_key = config.get("appkey")
self.host = "nls-gateway-cn-shanghai.aliyuncs.com"
self.base_url = f"https://{self.host}/stream/v1/asr"
self.sample_rate = 16000
self.format = "wav"
self.output_dir = config.get("output_dir", "./audio_output")
self.delete_audio_file = delete_audio_file
if self.access_key_id and self.access_key_secret:
# 使用密钥对生成临时token
self._refresh_token()
else:
# 直接使用预生成的长期token
self.token = config.get("token")
self.expire_time = None
# 确保输出目录存在
os.makedirs(self.output_dir, exist_ok=True)
def _refresh_token(self):
"""刷新Token并记录过期时间"""
if self.access_key_id and self.access_key_secret:
self.token, expire_time_str = AccessToken.create_token(
self.access_key_id,
self.access_key_secret
)
if not expire_time_str:
raise ValueError("无法获取有效的Token过期时间")
try:
#统一转换为字符串处理
expire_str = str(expire_time_str).strip()
if expire_str.isdigit():
expire_time = datetime.fromtimestamp(int(expire_str))
else:
expire_time = datetime.strptime(
expire_str,
"%Y-%m-%dT%H:%M:%SZ"
)
self.expire_time = expire_time.timestamp() - 60
except Exception as e:
raise ValueError(f"无效的过期时间格式: {expire_str}") from e
else:
self.expire_time = None
if not self.token:
raise ValueError("无法获取有效的访问Token")
def _is_token_expired(self):
"""检查Token是否过期"""
if not self.expire_time:
return False # 长期Token不过期
# 新增调试日志
# current_time = time.time()
# remaining = self.expire_time - current_time
# print(f"Token过期检查: 当前时间 {datetime.fromtimestamp(current_time)} | "
# f"过期时间 {datetime.fromtimestamp(self.expire_time)} | "
# f"剩余 {remaining:.2f}秒")
return time.time() > self.expire_time
def generate_filename(self, extension=".wav"):
return os.path.join(self.output_file, f"tts-{__name__}{datetime.now().date()}@{uuid.uuid4().hex}{extension}")
def _construct_request_url(self) -> str:
"""构造请求URL,包含参数"""
request = f"{self.base_url}?appkey={self.app_key}"
request += f"&format={self.format}"
request += f"&sample_rate={self.sample_rate}"
request += "&enable_punctuation_prediction=true"
request += "&enable_inverse_text_normalization=true"
request += "&enable_voice_detection=false"
return request
def decode_opus(self, opus_data: List[bytes], session_id: str) -> List[bytes]:
"""将Opus数据解码为PCM"""
decoder = opuslib_next.Decoder(16000, 1) # 16kHz, 单声道
pcm_data = []
for opus_packet in opus_data:
try:
pcm_frame = decoder.decode(opus_packet, 960) # 960 samples = 60ms
pcm_data.append(pcm_frame)
except opuslib_next.OpusError as e:
logger.bind(tag=TAG).error(f"Opus解码错误: {e}", exc_info=True)
return pcm_data
def save_audio_to_file(self, opus_data: List[bytes], session_id: str) -> str:
"""将Opus音频数据解码并保存为WAV文件"""
file_name = f"asr_{session_id}.wav"
file_path = os.path.join(self.output_dir, file_name)
pcm_data = self.decode_opus(opus_data, session_id)
with wave.open(file_path, "wb") as wf:
wf.setnchannels(1) # 单声道
wf.setsampwidth(2) # 16-bit
wf.setframerate(self.sample_rate)
wf.writeframes(b''.join(pcm_data))
logger.bind(tag=TAG).debug(f"音频文件已保存至: {file_path}")
return file_path
async def _send_request(self, pcm_data: bytes) -> Optional[str]:
"""发送请求到阿里云ASR服务"""
try:
# 设置HTTP头
headers = {
'X-NLS-Token': self.token,
'Content-type': 'application/octet-stream',
'Content-Length': str(len(pcm_data))
}
# 创建连接并发送请求
conn = http.client.HTTPSConnection(self.host)
request_url = self._construct_request_url()
loop = asyncio.get_event_loop()
await loop.run_in_executor(None, lambda: conn.request(
method='POST',
url=request_url,
body=pcm_data,
headers=headers
))
# 获取响应
response = await loop.run_in_executor(None, conn.getresponse)
body = await loop.run_in_executor(None, response.read)
conn.close()
# 解析响应
try:
body_json = json.loads(body)
status = body_json.get('status')
if status == 20000000:
result = body_json.get('result', '')
logger.bind(tag=TAG).debug(f"ASR结果: {result}")
return result
else:
logger.bind(tag=TAG).error(f"ASR失败,状态码: {status}")
return None
except ValueError:
logger.bind(tag=TAG).error("响应不是JSON格式")
return None
except Exception as e:
logger.bind(tag=TAG).error(f"ASR请求失败: {e}", exc_info=True)
return None
async def speech_to_text(self, opus_data: List[bytes], session_id: str) -> Tuple[Optional[str], Optional[str]]:
"""将语音数据转换为文本"""
if self._is_token_expired():
logger.warning("Token已过期,正在自动刷新...")
self._refresh_token()
try:
# 解码Opus为PCM
pcm_data_list = self.decode_opus(opus_data, session_id)
combined_pcm_data = b''.join(pcm_data_list)
# 发送请求并获取文本
text = await self._send_request(combined_pcm_data)
file_path = self.save_audio_to_file(opus_data, session_id)
if self.delete_audio_file:
os.remove(file_path)
logger.bind(tag=TAG).debug(f"音频文件已删除: {file_path}")
if text:
return text, None
return "", None
except Exception as e:
logger.bind(tag=TAG).error(f"语音识别失败: {e}", exc_info=True)
return "", None