Refine capability matrix table headers and add explanatory note

- Restore codecs=ac-3 column
- Rename Dolby decoder to Dolby SW decoder
- Add note clarifying which columns are audio-endpoint-codec queries

Author: AntonPo456

uwp/audio-video-camera/supported-play-type-strings.md

@@ -178,18 +178,18 @@ This query checks whether the system is configured for 5.1 speakers and can play
 
 ### Example audio capability matrix
 
-When systems with Dolby Atmos or headphones that support Virtual Surround Sound (VSS) are considered, the number of possible hardware and software combinations can be very large. The following table shows the query results for the `audio-endpoint-codec` feature across representative device configurations.
-
-| # | Device configuration | Dolby decoder | DD | DD+ | DD+JOC | PCM2.0 | PCM5.1 | PCM7.1 |
-|---|---------------------|---------------|:---:|:---:|:------:|:------:|:------:|:------:|
-| 1 | Headphones with Atmos, VSS enabled | Installed | ✗ | ✗ | ✓ | ✓ | ✓ | ✓ |
-| 2 | Headphones without Atmos, VSS disabled | Installed | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ |
-| 3 | Headphones without Atmos, VSS enabled | Installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✓ |
-| 4 | Headphones without Atmos, VSS enabled | Not installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✓ |
-| 5 | 5.1 speakers (no AVR) | Installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✗ |
-| 6 | 5.1 speakers (no AVR) | Not installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✗ |
-| 7 | Atmos-capable AVR, configured for 5.1 | Installed | ✓ | ✓ | ✓ | ✓ | ✓ | ✗ |
-| 8 | Atmos-capable AVR, configured for 5.1 | Not installed | ✓ | ✓ | ✗ | ✓ | ✓ | ✗ |
+When systems with Dolby Atmos or headphones that support Virtual Surround Sound (VSS) are considered, the number of possible hardware and software combinations can be very large. The following table shows the query results for `audio-endpoint-codec` and `codecs` across representative device configurations.
+
+| # | Device configuration | Dolby SW decoder | DD | DD+ | DD+JOC | PCM2.0 | PCM5.1 | PCM7.1 | codecs=ac-3 |
+|---|---------------------|---------------|:---:|:---:|:------:|:------:|:------:|:------:|:-----------:|
+| 1 | Headphones with Atmos, VSS enabled | Installed | ✗ | ✗ | ✓ | ✓ | ✓ | ✓ | ✓ |
+| 2 | Headphones without Atmos, VSS disabled | Installed | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ | ✓ |
+| 3 | Headphones without Atmos, VSS enabled | Installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✓ | ✓ |
+| 4 | Headphones without Atmos, VSS enabled | Not installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✓ | ✗ |
+| 5 | 5.1 speakers (no AVR) | Installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✗ | ✓ |
+| 6 | 5.1 speakers (no AVR) | Not installed | ✗ | ✗ | ✗ | ✓ | ✓ | ✗ | ✗ |
+| 7 | Atmos-capable AVR, configured for 5.1 | Installed | ✓ | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ |
+| 8 | Atmos-capable AVR, configured for 5.1 | Not installed | ✓ | ✓ | ✗ | ✓ | ✓ | ✗ | ✗ |
 
 The DD, DD+, DD+JOC, PCM2.0, PCM5.1, and PCM7.1 columns show the results of the `audio-endpoint-codec` feature query.