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tune: adjust stream smoothing parameters for better user experience

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- Increase chunk size from 5 to 20 characters for fewer delays
- Reduce min delay from 15ms to 8ms for faster playback
- Reduce max delay from 24ms to 15ms for better responsiveness
- Adjust text thresholds to better differentiate content types
- Apply parameter tuning to both StreamProcessor and _LightweightSmoother
This commit is contained in:
fawney19
2025-12-19 09:51:09 +08:00
parent 6c0373fda6
commit 912f6643e2
1 changed files with 10 additions and 10 deletions
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20
src/api/handlers/base/stream_processor.py
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@@ -48,11 +48,11 @@ class StreamProcessor:
""" """
# 平滑输出参数 # 平滑输出参数
CHUNK_SIZE = 5 # 长文本每块字符数 CHUNK_SIZE = 20 # 每块字符数
MIN_DELAY_MS = 15 # 长文本延迟（毫秒） MIN_DELAY_MS = 8 # 长文本延迟（毫秒）
MAX_DELAY_MS = 24 # 短文本延迟（毫秒） MAX_DELAY_MS = 15 # 短文本延迟（毫秒）
SHORT_TEXT_THRESHOLD = 10 # 短文本阈值（逐字符输出） SHORT_TEXT_THRESHOLD = 20 # 短文本阈值
LONG_TEXT_THRESHOLD = 50 # 长文本阈值（按块输出） LONG_TEXT_THRESHOLD = 100 # 长文本阈值
def __init__( def __init__(
self, self,
@@ -688,11 +688,11 @@ class _LightweightSmoother:
只包含平滑输出所需的最小逻辑，不依赖 StreamProcessor 的其他功能。 只包含平滑输出所需的最小逻辑，不依赖 StreamProcessor 的其他功能。
""" """
CHUNK_SIZE = 5 CHUNK_SIZE = 20
MIN_DELAY_MS = 15 MIN_DELAY_MS = 8
MAX_DELAY_MS = 24 MAX_DELAY_MS = 15
SHORT_TEXT_THRESHOLD = 10 SHORT_TEXT_THRESHOLD = 20
LONG_TEXT_THRESHOLD = 50 LONG_TEXT_THRESHOLD = 100
def __init__(self) -> None: def __init__(self) -> None:
self._extractors: dict[str, ContentExtractor] = {} self._extractors: dict[str, ContentExtractor] = {}