A list of recommended voices for the Web Speech API
Home Page: https://hadriengardeur.github.io/web-speech-recommended-voices/demo/
License: Creative Commons Zero v1.0 Universal
There's an extremely large number of Android devices on the market and due to various tweaks applied by manufacturers, the list of available voices can vary greatly.
While it's nearly impossible to document them all, prioritizing the most popular OEM/devices could be a good strategy overall.
Samsung feels like the obvious OEM to focus on, considering their market share worldwide (they're the only ones competing with Apple for the crown).
Chinese OEMs such as Xiaomi, Oppo and Realme also have very decent market penetration outside of North America.
Since it's going to be difficult to get our hands on such a wide variety of devices, device farms could be a good option but we'll need to look into the list of devices that they actually have.
A demo page that returns the equivalent of window.speechSynthesis.getVoices() would be helpful for that task, since I doubt that we'll be able to easily open a console on these devices.
In addition to the problem with the current approach for getVoices() in Chrome for Android detailed in #12, we need to file a separate report about the list of languages itself.
A list of voices should only contain values that the user can use, but that's not the case currently in Chrome for Android. The list contains languages for which the voice pack hasn't been installed yet, which results in the TTS engine using English as a fallback.
Links:
Also reported in:
While working on #1, I've encountered various issues with how voices are currently exposed through the Web Speech API.
Documenting these issues through the README of this repo feels important and a good first step towards addressing them. Ideally, we would followup this task by making sure that these issues are known by Apple/Google/Microsoft/Mozilla and track their efforts to fix them.
When calling getVoices() with Chrome on Android, the language returns BCP-47 language tags where an underscore is used as a separator (en_US) instead of an hypen (en-US).
This is a fairly minor issue, but should be addressed by the Chrome team to avoid the need for specific code for handling Chrome on Android.
Link:
Also reported in:
The current list of recommended voices for English has almost 80 voices already, but it only covers the following regions:
es-es)es-mx)es-us)Additional voices are also available for the following regions:
es-ar)es-bo)es-cl)es-co)es-cr)es-cu)es-do)es-ec)es-sv)es-gq)es-gt)es-hl)es-ni)es-pa)es-py)es-pe)es-pr)es-uy)es-ve)This is by far the longest list of regions available for any given language, but most of these regions are only available through Microsoft Natural voices, which limits the compatibility strictly to Edge on desktop.
Only the following regions have voices that are available elsewhere:
es-ar)es-cl)es-co)The current list of recommended voices for English has almost 80 voices already, but it only covers the following regions:
en-us)en-gb)en-CA)Additional voices are also available for the following regions:
en-au)en-hk)en-in)en-ie)en-ke)en-nz)en-ng)en-gb-u-sd-gbsct)en-sg)en-za)en-tz)Given the large number of regions covered by English, prioritizing these languages might be a challenge.
In the latest Chrome OS update, Google added support for natural voices on some languages.
Based on the few tests that I've made so far, these natural voices seem to be similar to the Android voices available in Chrome OS that we already document in this repo.
The main difference being that you can use these natural voices offline as well.
We could use a similar approach to what we already document with Apple voices where:
altNamesThe following OS will be covered:
The following browsers will be covered:
Based on experience, I know that support for all official languages is important for any deployment in Spain.
While the current project already has an extensive list of voices for Spanish, documenting voices for all the remaining official languages in Spain would cement its viability.
The following additions should be considered:
eu)ca)gl)There are very few voices currently available for these languages, which should make it a fairly easy task.
In almost every browser, getVoices() returns a full list of voices available to the user.
On Chrome for Android (and its associated webview), that's unfortunately not the case. Instead of a list of voices, a list of all languages supported by the system is returned.
Because of this approach, users of Web apps are unable to select the voice that they prefer, they're limited to whatever has been set in their system settings which can be difficult to find.
Now that I've covered a good portion of the west/south of Europe, I'll head north for future additions, starting with Dutch.
Overall, there seems to be a good selection of voices available with a mix of voices targeting the Netherlands and Belgium.
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