research-style comparison table, exact params, drop UTMOS

README.md

@@ -36,14 +36,14 @@ general speaker capacity is what makes <100M reachable for code-switch speech.
 
 ![comparison](comparison.png)
 
-| Model | Params | Accent ↑ | UTMOS ↑ | SECS ↑ | Tail ↓ |
-|---|---|---|---|---|---|
-| 400M (original fine-tune) | 441M | 0.861 | 3.32 | 0.855 | 4.9% |
-| 200M (distilled + RL) | 265M | 0.831 | 3.22 | 0.860 | 6.7% |
-| **sub-100M (this, staged + RFT)** | **90M** | **0.820** | **3.26** | **0.851** | **4.4%** |
-| Kokoro-82M (reference) | 82M | 0.886\* | 4.38\* | N/A\*\* | n/a |
-
-\* Kokoro's accent (English-word recall) and UTMOS (English-MOS) are favoured by its English-primary design.
+| Model | Params | Accent ↑ | SECS ↑ | Tail ↓ |
+|---|---|---|---|---|
+| XTTS-Hinglish-443M | 443M | 0.861 | 0.855 | 4.9% |
+| XTTS-Hinglish-265M | 265M | 0.831 | 0.860 | 6.7% |
+| **XTTS-Hinglish-90M (this)** | **89.96M** | **0.820** | **0.851** | **4.4%** |
+| Kokoro-82M | 82M | 0.886\* | n/a\*\* | n/a |
+
+\* Kokoro's accent (English-word recall) is favoured by its English-primary design.
 \*\* Kokoro uses its own single voice (no target-voice cloning) and is not code-switch tuned, so SECS does
 not apply. The point of this row: a generic 82M TTS does not deliver fixed-voice Hindi-English code-switch;
 this 90M model does, at the 265M teacher's quality.
@@ -53,12 +53,11 @@ this 90M model does, at the 265M teacher's quality.
 | axis | this 90M | 265M teacher | delta | 95% CI |
 |---|---|---|---|---|
 | code-switch accent | 0.820 | 0.831 | -0.011 | [-0.038, +0.016] |
-| naturalness (UTMOS) | 3.259 | 3.224 | +0.034 | [-0.021, +0.089] |
 | voice fidelity (SECS) | 0.851 | 0.860 | -0.009 | [-0.014, -0.003] |
 | runaway-tail rate | 4.4% | 6.7% | | |
 
-Accent is statistically even (delta -0.011); UTMOS and SECS pass non-inferiority; the failure tail is lower
-than the teacher's. A 3x larger model at the same task quality.
+Accent is statistically even (delta -0.011) and SECS passes non-inferiority, with a lower failure tail than
+the teacher. A 3x smaller model at the same code-switch quality.
 
 ## How it was built