```
+------------------------------------------+
|                                          |
|          Voice Processing Flow           |
|                                          |
+------------------------------------------+
                    |
                    v
+------------------------------------------+
|                                          |
|  +----------+    +-----------------+     |
|  | User     |    | Voice Capture   |     |
|  | Voice    |--->| Interface       |     |
|  +----------+    +-----------------+     |
|                          |               |
|                          v               |
|                  +-----------------+     |
|  +----------+    | Voice Quality   |     |
|  | NPR Style |    | Validation     |     |
|  | Transfer  |    +-----------------+     |
|  +----------+            |               |
|        ^                 v               |
|        |         +-----------------+     |
|        |         | Voice Embedding |     |
|        |         | Extraction      |     |
|        |         +-----------------+     |
|        |                 |               |
|        |                 v               |
|        |         +-----------------+     |
|        +---------|  Custom Voice   |     |
|                  |  Creation       |     |
|                  +-----------------+     |
|                          |               |
|                          v               |
|                  +-----------------+     |
|                  | Multilingual    |     |
|                  | Adaptation      |     |
|                  +-----------------+     |
|                          |               |
+------------------------------------------+
                    |
                    v
+------------------------------------------+
|                                          |
|          Text-to-Speech Synthesis        |
|                                          |
+------------------------------------------+
```