clarify transcription parameter

jfk.json

@@ -0,0 +1 @@
+{"segments": [{"id": 0, "seek": 0, "start": 0.0, "end": 11.0, "text": " And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country.", "tokens": [50364, 400, 370, 452, 7177, 6280, 11, 1029, 406, 437, 428, 1941, 393, 360, 337, 291, 11, 1029, 437, 291, 393, 360, 337, 428, 1941, 13, 50914], "temperature": 0.0, "avg_logprob": -0.20427462032863072, "compression_ratio": 1.3544303797468353, "no_speech_prob": 0.04382958635687828}], "language": "en", "text": " And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country."}

jfk.srt

@@ -0,0 +1,4 @@
+1
+00:00:00,000 --> 00:00:11,000
+And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country.
+

jfk.tsv

@@ -0,0 +1,2 @@
+start	end	text
+0	11000	And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country.

jfk.txt

@@ -0,0 +1 @@
+And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country.

jfk.vtt

@@ -0,0 +1,5 @@
+WEBVTT
+
+00:00.000 --> 00:11.000
+And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country.
+

whisper/transcribe.py

@@ -769,14 +769,15 @@ def audio_tensor(audio: Union[str, np.ndarray, torch.Tensor]) -> torch.Tensor:
 
 class MinimalTranscriber(Transcriber):
     exact: bool = True
-    chlen: float = CHUNK_LENGTH
+    # amount of time per chunk that is considered in-context
+    contextualized: float = CHUNK_LENGTH
 
     async def process(self, stream: ArrayStream, **kw) -> dict:
-        data = await stream.request(self.chlen, self.exact)
+        data = await stream.request(CHUNK_LENGTH, self.exact)
         while data.shape[-1] > 0:
             self(data, stream.offset, True)
             t = (
-                self.chlen
+                self.contextualized
                 - (stream.offset + data.shape[-1] - self.seek) / FRAMES_PER_SECOND
                 + CHUNK_LENGTH
             )