set default modifier to 0.9 for a T4 GPU

app.py

@@ -32,7 +32,7 @@ from TTS.utils.generic_utils import get_user_data_dir
 # This is a modifier for fast GPU (e.g. 4060, as that is pretty speedy for generation)
 # For older cards (like 2070 or T4) will reduce value to to smaller for unnecessary waiting
 # Could not make play audio next work seemlesly on current Gradio with autoplay so this is a workaround
-AUDIO_WAIT_MODIFIER = float(os.environ.get("AUDIO_WAIT_MODIFIER", 1))
+AUDIO_WAIT_MODIFIER = float(os.environ.get("AUDIO_WAIT_MODIFIER", 0.9))
 
 # if set will try to stream audio while receveng audio chunks, beware that recreating audio each time produces artifacts
 DIRECT_STREAM = int(os.environ.get("DIRECT_STREAM", 0))