Add binary

Author: gsharp-aai

fern/pages/02-speech-to-text/universal-streaming/universal-streaming.mdx

@@ -952,8 +952,8 @@ You send:
 <AccordionGroup>
 <Accordion title="Audio data">
 
-```json
-"UklGRtjIAABXQVZFZ"
+```
+"\x52\x49\x46\x46\xd8\xc8\x00\x00\x57\x41\x56\x45\x46"
 ```
 
 </Accordion>

usm-streaming.yml

@@ -230,14 +230,13 @@ components:
     AudioChunk:
       name: AudioChunk
       title: Audio Data Chunk
-      summary: Client sends audio data as a base64-encoded string within a JSON object.
-      type: string
-      format: base64
+      summary: Client sends audio data as raw binary.
+      contentType: application/octet-stream
       payload:
         type: string
-        format: base64
+        format: binary
       examples:
-        - payload: "UklGRiQAAABXQVZFZm10IBAAAAABAAEAgD4AAAB9AAACABAAZGF0YQAAAAA="
+        - payload: '\x10\x00\x20\x00\x30\x00\x40\x00\x30\x00\x20\x00\x10\x00\x00\x00\xf0\xff\xe0\xff\xd0\xff\xc0\xff'
 
     SessionBegins:
       name: SessionBegins