preview note

Author: eric-urban

articles/ai-services/speech-service/speech-synthesis-markup-voice.md

@@ -6,7 +6,7 @@ author: eric-urban
 manager: nitinme
 ms.service: azure-ai-speech
 ms.topic: how-to
-ms.date: 3/10/2025
+ms.date: 7/9/2025
 ms.author: eur
 ms.custom: references_regions
 #Customer intent: As a developer, I want to learn how to use Speech Synthesis Markup Language (SSML) elements to customize what my Speech service voice sounds like.
@@ -559,9 +559,9 @@ This SSML snippet illustrates how to request blend shapes with your synthesized
 
 ## Voice conversion element
 
-Voice conversion is the process of transforming the voice characteristics of a given audio to a target voice speaker. After voice conversion, the resulting audio reserves source audio's linguistic content and prosody while the voice timbre sounds like the target speaker. For more information, see [voice conversion](./voice-conversion.md).
+Voice conversion (preview) is the process of transforming the voice characteristics of a given audio to a target voice speaker. After voice conversion, the resulting audio reserves source audio's linguistic content and prosody while the voice timbre sounds like the target speaker. For more information, see [voice conversion](./voice-conversion.md).
 
-Use the `<mstts:voiceconversion>` tag via Speech Synthesis Markup Language (SSML) to specify the source audio URL and the target voice for the conversion. For a complete list of supported target voices, see [supported voices for voice conversion](./language-support.md#voice-conversion).
+Use the `<mstts:voiceconversion>` tag via Speech Synthesis Markup Language (SSML) to specify the source audio URL and the target voice for the conversion. For a complete list of supported target voices, see [supported voices for voice conversion](./language-support.md?tabs=tts#voice-conversion).
 
 The following table describes the usage of the `mstts:voiceconversion` element's attributes:
 
@@ -573,7 +573,7 @@ Here's how the voice conversion works:
 - The source audio is a prerecorded audio file that contains the spoken words and prosody.
   - Text content: The final synthesized speech follows the spoken words in the source audio.
   - Prosody and rhythm: The speech maintains the timing and intonation from the source.
-- The `<voice>` tag specifies the target voice used for the output audio. For information about the supported target voices, see [supported voices for voice conversion](./language-support.md#voice-conversion).
+- The `<voice>` tag specifies the target voice used for the output audio. For information about the supported target voices, see [supported voices for voice conversion](./language-support.md?tabs=tts#voice-conversion).
 - The output audio keeps the timbre (tone and voice quality) of the target voice, but follows the text and speaking style of the source audio.
 
 > [!NOTE]

articles/ai-services/speech-service/toc.yml

@@ -136,7 +136,7 @@ items:
     - name: High definition (HD) voices
       href: high-definition-voices.md
       displayName: hd voice
-    - name: Voice conversion
+    - name: Voice conversion (preview)
       href: voice-conversion.md
       displayName: voice conversion
     - name: Custom voice

articles/ai-services/speech-service/voice-conversion.md

@@ -8,11 +8,13 @@ ms.reviewer: eur
 manager: nitinme
 ms.service: azure-ai-speech
 ms.topic: overview
-ms.date: 7/1/2025
+ms.date: 7/9/2025
 ms.custom: references_regions
 ---
 
-# What is voice conversion?
+# What is voice conversion? (Preview)
+
+[!INCLUDE [Feature preview](./includes/previews/preview-generic.md)]
 
 Voice conversion is the process of transforming the voice characteristics of a given audio to a target voice speaker. After voice conversion, the resulting audio reserves source audio's linguistic content and prosody while the voice timbre sounds like the target speaker.
 
@@ -31,13 +33,13 @@ Voice conversion (or voice changer or speech to speech conversion) is built on s
 | **High speaker similarity**   | Captures the timbre and vocal identity of the target speaker.<br>Generates audio that accurately matches the target voice. |
 | **Prosody preservation**      | Maintains rhythm, stress, and intonation of source audio.<br>Preserves expressive and emotional qualities. |
 | **High audio fidelity**       | Generates realistic, natural-sounding audio.<br>Minimizes artifacts.                                      |
-| **Multilingual support**      | Enables multilingual voice conversion.<br>Supports 91 locales (same as standard text to speech locale support).<br>See [supported voices for voice conversion](./language-support.md#voice-conversion) for the complete list. |
+| **Multilingual support**      | Enables multilingual voice conversion.<br>Supports 91 locales (same as standard text to speech locale support).<br>See [supported voices for voice conversion](./language-support.md?tabs=tts#voice-conversion) for the complete list. |
 
 ## Use voice conversion
 
 You can use Azure AI Speech voice conversion with either the Speech SDK or text to speech REST APIs.
 
-Use the `<mstts:voiceconversion>` tag via Speech Synthesis Markup Language (SSML) to specify the source audio URL and the target voice for the conversion. For a complete list of supported target voices, see [supported voices for voice conversion](./language-support.md#voice-conversion).
+Use the `<mstts:voiceconversion>` tag via Speech Synthesis Markup Language (SSML) to specify the source audio URL and the target voice for the conversion. For a complete list of supported target voices, see [supported voices for voice conversion](./language-support.md?tabs=tts#voice-conversion).
 
 ### Example SSML