diff --git a/test/test_streaming.py b/test/test_streaming.py
index f8bbae2..3e35409 100644
--- a/test/test_streaming.py
+++ b/test/test_streaming.py
@@ -38,12 +38,14 @@ def stream_ffplay(audio_stream, output_file, save=True):
     ffplay_proc.wait()
 
 
-def tts(text, speaker) -> Iterator[bytes]:
+def tts(text, speaker,language, server_url , decoder, stream_chunk_size) -> Iterator[bytes]:
     start = time.perf_counter()
     speaker["text"] = text
-    speaker["language"] = "en"
+    speaker["language"] = language
+    speaker["decoder"] = decoder  # "hifigan" or "ne_hifigan" for TTS>0.19.0
+    speaker["stream_chunk_size"] = stream_chunk_size  # you can reduce it to get faster response, but degrade quality
     res = requests.post(
-        "http://localhost:8000/tts_stream",
+        f"{server_url}/tts_stream",
         json=speaker,
         stream=True,
     )
@@ -66,9 +68,9 @@ def tts(text, speaker) -> Iterator[bytes]:
     print("⏱️ response.elapsed:", res.elapsed)
 
 
-def get_speaker(ref_audio):
+def get_speaker(ref_audio,server_url):
     files = {"wav_file": ("reference.wav", open(ref_audio, "rb"))}
-    response = requests.post("http://localhost:8000/clone_speaker", files=files)
+    response = requests.post(f"{server_url}/clone_speaker", files=files)
     return response.json()
 
 
@@ -77,15 +79,41 @@ def get_speaker(ref_audio):
     parser.add_argument(
         "--text",
         default="It took me quite a long time to develop a voice and now that I have it I am not going to be silent.",
+        help="text input for TTS"
     )
+    parser.add_argument(
+        "--language",
+        default="en",
+        help="Language to use default is 'en'  (English)"
+    )
+
     parser.add_argument(
         "--output_file",
         default=None,
+        help="Save TTS output to given filename"
     )
     parser.add_argument(
         "--ref_file",
         default=None,
+        help="Reference audio file to use, when not given will use default"
     )
+    parser.add_argument(
+        "--server_url",
+        default="http://localhost:8000",
+        help="Server url http://localhost:8000 default, change to your server location "
+    )
+    parser.add_argument(
+        "--decoder",
+        default="ne_hifigan",
+        help="Decoder for vocoder, ne_hifigan default, options ne_hifigan or hifigan"
+    )
+
+    parser.add_argument(
+        "--stream_chunk_size",
+        default="20",
+        help="Stream chunk size , 20 default, reducing will get faster latency but may degrade quality"
+    )
+
     args = parser.parse_args()
 
     with open("./default_speaker.json", "r") as file:
@@ -93,6 +121,6 @@ def get_speaker(ref_audio):
 
     if args.ref_file is not None:
         print("Computing the latents for a new reference...")
-        speaker = get_speaker(args.ref_file)
+        speaker = get_speaker(args.ref_file,args.server_url)
 
-    audio = stream_ffplay(tts(args.text, speaker), args.output_file, save=bool(args.output_file))
+    audio = stream_ffplay(tts(args.text, speaker,args.language,args.server_url,args.decoder,args.stream_chunk_size), args.output_file, save=bool(args.output_file))