Add Polish voice pack (pl-PL)

README.md

@@ -16,6 +16,7 @@ The currently supported languages are:
 - Italian
 - Japanese
 - Korean
+- Polish
 - Portuguese
 - Russian
 - Spanish
@@ -68,6 +69,68 @@ The Korean voice pack provides full support for native Korean speakers using Edg
 - This voice pack was personally developed and contributed by [@siyeongjang](https://github.com/siyeongjang), a Korean RC enthusiast, to improve accessibility and user experience for Korean-speaking pilots.
 - Feedback or improvement suggestions are welcome. Please feel free to open an issue or leave a comment in the Pull Request.
 
+### Polish (pl-PL)
+
+Files are generated using [ElevenLabs](https://elevenlabs.io/app/speech-synthesis/text-to-speech) voice synthesis. There are 10k tokens available for free.
+
+Voice: Sarah 
+
+ElevenMultilingual v2.
+
+#### One file at a time
+
+Ubuntu commands to prepare wav file from mp3:
+
+- Normal way: 
+
+  ```bash
+  ffmpeg -i ElevenLabs_2025-09-03T16_24_21_Sarah_pre_sp100_s50_sb75_se0_b_m2.mp3 -ar 32000 -ac 1 -sample_fmt s16 engstp.wav
+  ```
+
+- To cut out words added for correct accent (0.5sec from beginning): 
+
+  ```bash
+  ffmpeg -ss 0.5 -i ElevenLabs_2025-09-03T16_24_21_Sarah_pre_sp100_s50_sb75_se0_b_m2.mp3 -ar 32000 -ac 1 -sample_fmt s16 engstp.wav
+  ```
+
+- Many files at once from the same folder: 
+
+  ```bash
+  for f in *.mp3; do
+  ffmpeg -i "$f" -ar 32000 -ac 1 -sample_fmt s16 "${f%.mp3}.wav"
+  done
+  ```
+
+#### Automated way
+
+```bash
+sudo apt update
+sudo apt install libportaudio2 portaudio19-dev libasound-dev -y
+pip install elevenlabs python-dotenv
+```
+
+If You don't have venv
+
+```bash
+python3 -m venv .venv
+source .venv/bin/activate
+```
+
+Optionally add Your languages to array:
+
+```bash
+languages = [
+    ("voices/pl-PL.csv", "EXAVITQu4vr4xnSDxMaL", "pl"),
+    # Add other languages here
+]
+```
+
+And finally run script to generate all the files. Script is smart and skips already generated files to don't use tokens from ElevenLabs.
+
+```bash
+python3 voice-gen-elevenlabs.py
+```
+
 ## Voices
 
 All of the voices used in the EdgeTX voice packs have been picked from the [neural voices](https://docs.microsoft.com/en-us/azure/cognitive-services/speech-service/language-support?tabs=speechtotext#prebuilt-neural-voices) offered by Microsoft Azure text to speech service, in order to get as close as possible to human-like voices. If you want to see what voices are available, and try different phrases, [check out the online demo generator](https://azure.microsoft.com/en-us/services/cognitive-services/text-to-speech/#features). Using some recording software, you could even save your own phrases and use them in the voice packs.