diff --git a/multilang_translator/config.py b/multilang_translator/config.py
deleted file mode 100644
index e850d5b..0000000
--- a/multilang_translator/config.py
+++ /dev/null
@@ -1,39 +0,0 @@
-import os
-
-ANNOUNCEMENT_DIR = os.path.join(os.path.dirname(__file__), 'announcements')
-VENV_DIR = os.path.join(os.path.dirname(__file__), '../venv')
-PIPER_EXE_PATH = f'{VENV_DIR}/bin/piper'
-FRAME_DUR_MS = 10
-SAMPLING_RATE_HZ = int(16e3)
-BITRATE_BPS = int(32e3)
-
-
-LANG_CONFIG = {
-    "de": {
-        "filepath_wav": f"{ANNOUNCEMENT_DIR}/announcement_de.wav",
-        "filepath_wav_resamp": f"{ANNOUNCEMENT_DIR}/announcement_de_resamp.wav",
-        "tts": 'de_DE-kerstin-low',
-    },
-    "en": {
-        "filepath_wav": f"{ANNOUNCEMENT_DIR}/announcement_en.wav",
-        "filepath_wav_resamp": f"{ANNOUNCEMENT_DIR}/announcement_en_resamp.wav",
-        "tts": 'en_US-lessac-medium'
-    },
-    "fr": {
-        "filepath_wav": f"{ANNOUNCEMENT_DIR}/announcement_fr.wav",
-        "filepath_wav_resamp": f"{ANNOUNCEMENT_DIR}/announcement_fr_resamp.wav",
-        "tts": 'fr_FR-siwis-medium'
-    },
-    # "es": {
-    #     "filepath_wav": f"{ANNOUNCEMENT_DIR}/announcement_es.wav",
-    #     "tts": 'es_ES-sharvard-medium'
-    # },
-    # "it": {
-    #     "filepath_wav": f"{ANNOUNCEMENT_DIR}/announcement_it.wav",
-    #     "tts": 'it_IT-paola-medium'
-    # }
-}
-
-os.makedirs(ANNOUNCEMENT_DIR, exist_ok=True)
-
-# TODO. use dataclasses from Multicaster with inherit
\ No newline at end of file
diff --git a/multilang_translator/main_local.py b/multilang_translator/main_local.py
index a9adc42..1b3687c 100644
--- a/multilang_translator/main_local.py
+++ b/multilang_translator/main_local.py
@@ -4,6 +4,7 @@ list prompt example
 """
 from __future__ import print_function, unicode_literals
 
+from typing import List
 from dataclasses import asdict
 import asyncio
 from copy import copy
@@ -11,13 +12,12 @@ import time
 import logging as log
 import aioconsole
 
+import multilang_translator.translator_config as translator_config
 from utils import resample
 from translator import llm_translator, test_content
 from text_to_speech import text_to_speech
-from encode import encode_lc3
 from auracast import multicast_control
 from auracast import auracast_config
-from config import LANG_CONFIG, SAMPLING_RATE_HZ
 from translator.test_content import TESTSENTENCE
 
 # TODO: look for a end to end translation solution
@@ -26,35 +26,34 @@ def transcribe():
     pass # TODO: Implement transcribing input audio e.g. with whisper
 
 
-def syntesize_resample(text, tts_model, file_wav, file_wav_resamp):
-    audio_dur = text_to_speech.synthesize(text, tts_model, file_wav)
-    resample.resample_file(file_wav, file_wav_resamp, target_rate=SAMPLING_RATE_HZ)
-    return audio_dur
-
-
 async def announcement_from_german_text(
+        global_config: auracast_config.AuracastGlobalConfig,
+        translator_config: List[translator_config.TranslatorConfigDe],
         caster: multicast_control.Multicaster,
         text_de
         ):
-    TRANSLATOR_LLM = 'llama3.2:3b-instruct-q4_0'
+    base_lang = "deu"
 
-    config = copy(LANG_CONFIG)
-    base_lang = "de"
-
-    for i, d in enumerate(config.items()):
-        key, val = d
-        if key == base_lang:
+    for i, trans in enumerate(translator_config):
+        if trans.big.language == base_lang:
             text = text_de
         else:
-            text = llm_translator.translate_de_to_x(text_de, key, model=TRANSLATOR_LLM)
+            text = llm_translator.translate_de_to_x(
+                text_de,
+                trans.big.language,
+                model=trans.translator_llm,
+                client = trans.llm_client,
+                host=trans.llm_host_url,
+                token=trans.llm_host_token
+            )
 
         log.info('%s', text)
 
         lc3_audio = text_to_speech.synthesize(
             text,
-            SAMPLING_RATE_HZ,
-            'piper',
-            val['tts'],
+            global_config.auracast_sampling_rate_hz,
+            trans.tts_system,
+            trans.tts_model,
             return_lc3=True
             )
         caster.big_conf[i].audio_source = lc3_audio
@@ -65,7 +64,7 @@ async def announcement_from_german_text(
     log.info("Starting all broadcasts took %s s", round(time.time() - start, 3))
 
 
-async def command_line_ui(caster: multicast_control.Multicaster):
+async def command_line_ui(global_conf, translator_conf, caster: multicast_control.Multicaster):
     while True:
         # make a list of all available testsentence
         sentence_list = list(asdict(TESTSENTENCE).values())
@@ -86,43 +85,55 @@ async def command_line_ui(caster: multicast_control.Multicaster):
         # Check if command is a single number
         elif command.strip().isdigit():
             ind = int(command.strip())
-            await announcement_from_german_text(caster, sentence_list[ind])
+            await announcement_from_german_text(
+                global_conf,
+                translator_conf,
+                caster, 
+                sentence_list[ind])
             await asyncio.wait([caster.streamer.task])
         # Interpret the command as announcement
         else:
             await announcement_from_german_text(caster, command)
             await asyncio.wait([caster.streamer.task])
 
+
 async def main():
     log.basicConfig(
         level=log.INFO,
         format='%(module)s.py:%(lineno)d %(levelname)s: %(message)s'
     )
 
-    global_conf = auracast_config.global_base_config
+    global_conf = auracast_config.AuracastGlobalConfig()
     #global_conf.transport='serial:/dev/serial/by-id/usb-SEGGER_J-Link_001057705357-if02,1000000,rtscts' # transport for nrf54l15dk
     global_conf.transport='serial:/dev/serial/by-id/usb-ZEPHYR_Zephyr_HCI_UART_sample_81BD14B8D71B5662-if00,115200,rtscts' #nrf52dongle hci_uart usb cdc
 
-    big_conf = [
-        auracast_config.broadcast_de,
-        auracast_config.broadcast_en,
-        auracast_config.broadcast_fr,
+
+    translator_conf = [
+        translator_config.TranslatorConfigDe(),
+        translator_config.TranslatorConfigEn(),
+        translator_config.TranslatorConfigFr(),
         #auracast_config.broadcast_es,
         #auracast_config.broadcast_it,
         ]
-    for i, conf in enumerate(big_conf):
-        conf.loop = False
+    for conf in translator_conf:
+        conf.big.loop = False
+        conf.llm_client = 'openwebui' # comment out for local llm
+        conf.llm_host_url = 'https://ollama.pstruebi.xyz' 
+        conf.llm_host_token = 'sk-17124cb84df14cc6ab2d9e17d0724d13'
 
-    caster = multicast_control.Multicaster(global_conf, big_conf)
+    caster = multicast_control.Multicaster(global_conf, [conf.big for conf in translator_conf])
     await caster.init_broadcast()
 
-    #await announcement_from_german_text(caster, test_content.TESTSENTENCE.DE_HELLO)
-    #await asyncio.wait([caster.streamer.task])
-    await command_line_ui(caster)
+    # await announcement_from_german_text(
+    #     global_conf,
+    #     translator_conf,
+    #     caster, 
+    #     test_content.TESTSENTENCE.DE_HELLO
+    #     )
+    # await asyncio.wait([caster.streamer.task])
+    await command_line_ui(global_conf, translator_conf, caster)
 
 if __name__ == '__main__':
     asyncio.run(main())
 
-    # TODO: integrate this in the LANG_CONFIG dict, better: make a hierachy of dataclasses
-    # TODO: remove the nececcity for files
     # TODO: add support for multiple radios
\ No newline at end of file
diff --git a/multilang_translator/text_to_speech/voices.json b/multilang_translator/text_to_speech/piper/voices.json
similarity index 100%
rename from multilang_translator/text_to_speech/voices.json
rename to multilang_translator/text_to_speech/piper/voices.json
diff --git a/multilang_translator/text_to_speech/text_to_speech.py b/multilang_translator/text_to_speech/text_to_speech.py
index a2c231d..50ed861 100644
--- a/multilang_translator/text_to_speech/text_to_speech.py
+++ b/multilang_translator/text_to_speech/text_to_speech.py
@@ -4,28 +4,29 @@ import time
 import json
 import logging as log
 import numpy as np
-from multilang_translator import config
+from multilang_translator import translator_config
 from multilang_translator.utils.resample import resample_array
 from multilang_translator.text_to_speech import encode_lc3
 
 TTS_DIR = os.path.join(os.path.dirname(__file__))
 PIPER_DIR = f'{TTS_DIR}/piper'
-os.makedirs(PIPER_DIR, exist_ok=True)
 
-def synth_piper(text, model="en_US-lessac-medium",):
+def synth_piper(text, model="en_US-lessac-medium"):
+    pwd = os.getcwd()
+    os.chdir(PIPER_DIR)
     start = time.time()
     
+    # make sure piper has voices.json in working directory, otherwise it attempts to always load models
     ret = subprocess.run( # TODO: wrap this whole thing in a class and open a permanent pipe to the model 
-        [config.PIPER_EXE_PATH, 
-         '--cuda',
-         '--data-dir', PIPER_DIR,
-         '--download-dir', PIPER_DIR,
-         '--model', model, 
-         '--output-raw'
-         ], 
+        [translator_config.PIPER_EXE_PATH, 
+        '--cuda',
+        '--model', model, 
+        '--output-raw'
+        ], 
         input=text.encode('utf-8'),
         capture_output=True
         )
+    os.chdir(pwd)
 
     log.warning('Piper stderr:\n%s', ret.stderr)
     assert ret.returncode == 0, 'Piper returncode was not 0.'
@@ -47,7 +48,7 @@ def synthesize(text, target_sample_rate, framework, model="en_US-lessac-medium",
         tts_sample_rate = model_json['audio']['sample_rate']
         audio_np = np.frombuffer(audio_raw, dtype=np.dtype('<i2')).astype(np.float32) /(2**15-1)# convert to float fraction
         audio = resample_array(audio_np, tts_sample_rate, target_sample_rate)
-
+        
     elif framework == 'koro':
         pass
     elif framework == 'xtts':
@@ -57,9 +58,8 @@ def synthesize(text, target_sample_rate, framework, model="en_US-lessac-medium",
     else: raise NotImplementedError('unknown framework')
 
     if return_lc3:
-        audio_pcm = (audio_np * 2**15-1).astype(np.int16)
+        audio_pcm = (audio * 2**15-1).astype(np.int16)
         lc3 = encode_lc3.encode(audio_pcm, target_sample_rate, 40) # TODO: octetts per frame should be parameter
-
         return lc3
     else:
         return audio
@@ -79,5 +79,5 @@ if __name__ == '__main__':
 
     sf.write('hello.wav', audio, target_rate)
 
-
+    # TODO: "WARNING:piper.download:Wrong size (expected=5952, actual=4158
     print('Done.')
diff --git a/multilang_translator/translator/__init__.py b/multilang_translator/translator/__init__.py
index 5930689..e69de29 100644
--- a/multilang_translator/translator/__init__.py
+++ b/multilang_translator/translator/__init__.py
@@ -1,2 +0,0 @@
-from .credentials import *
-from .syspromts import *
\ No newline at end of file
diff --git a/multilang_translator/translator/credentials.py b/multilang_translator/translator/credentials.py
deleted file mode 100644
index 4dbb3b7..0000000
--- a/multilang_translator/translator/credentials.py
+++ /dev/null
@@ -1,2 +0,0 @@
-BASE_URL='https://ollama.hinterwaldner.duckdns.org'
-TOKEN = 'sk-17124cb84df14cc6ab2d9e17d0724d13'
\ No newline at end of file
diff --git a/multilang_translator/translator/llm_translator.py b/multilang_translator/translator/llm_translator.py
index 07e52b0..93f6eb6 100644
--- a/multilang_translator/translator/llm_translator.py
+++ b/multilang_translator/translator/llm_translator.py
@@ -5,45 +5,75 @@ import logging as log
 import time
 import ollama
 
-from multilang_translator.translator import credentials
 from multilang_translator.translator import syspromts
-from multilang_translator.translator import test_content
 
 # ollama.create( # TODO: create models on startup 
 #     model='example', 
 #     from_='llama3.2', system="You are Mario from Super Mario Bros."
 #     )
 
-def query_model(model, query):
-    url = f'{credentials.BASE_URL}/api/chat/completions'
+async def chat():
+  message = {'role': 'user', 'content': 'Why is the sky blue?'}
+  response = await ollama.AsyncClient().chat(model='llama3.2', messages=[message])
+
+
+def query_openwebui(model, system, query, url, token):
+    url = f'{url}/api/chat/completions'
     headers = {
-        'Authorization': f'Bearer {credentials.TOKEN}',
+        'Authorization': f'Bearer {token}',
     }
     payload = {
         'model': model,
-        'messages': [{'role': 'user', 'content': query}],
+        'messages': [
+            {'role': 'system', 'content': system},
+            {'role': 'user', 'content': query}
+        ],
     }
     start = time.time()
     response = requests.post(url, headers=headers, json=payload)
     log.info("Translating the text took %s s", round(time.time() - start, 2))
-    return response.json()
+    return response.json()['choices'][0]['message']['content']
 
 
-def translate_de_to_x(text:str, target_language: str, model='llama3.2:3b-instruct-q4_0'): # remember to use instruct models
+def query_ollama(model, system, query, host='http://localhost:11434'):
+    client = ollama.Client(
+        host=host,
+    )
+
+    response = client.chat(
+    model = model,
+    messages = [
+        {'role': 'system', 'content': system},
+        {'role': 'user', 'content': query}
+        ],
+    )
+    return response.message.content
+
+
+def translate_de_to_x( # TODO: use async ollama client later - implenent a translate async function
+        text:str, 
+        target_language: str, 
+        client='ollama', 
+        model='llama3.2:3b-instruct-q4_0', # remember to use instruct models
+        host = None, 
+        token = None
+    ): 
     start=time.time()
-    s = getattr(syspromts, f"TRANSLATOR_DE_{target_language.upper()}")
-    response = ollama.chat(
-        model = model,
-        messages = [
-            {'role': 'system', 'content': s},
-            {'role': 'user', 'content': text}
-            ],
-        )
+    s = getattr(syspromts, f"TRANSLATOR_DEU_{target_language.upper()}")
+ 
+    if client == 'ollama':
+        response = query_ollama(model, s, text, host=host)
+    elif client == 'openwebui':
+        response = query_openwebui(model, s, text, url=host, token=token)
+    else: raise NotImplementedError('llm client not implemented')
+
     log.info('Running the translator to %s took %s s', target_language, round(time.time() - start, 3))
-    return response['message']['content']
+    return response
 
 if __name__ == "__main__":
     import time
+    from multilang_translator.translator import test_content
+
 
     start=time.time()
     response = translate_de_to_x('Der Zug ist da.', target_language='en', model='llama3.2:1b-instruct-q4_0')
diff --git a/multilang_translator/translator/syspromts.py b/multilang_translator/translator/syspromts.py
index 562099d..0c523b3 100644
--- a/multilang_translator/translator/syspromts.py
+++ b/multilang_translator/translator/syspromts.py
@@ -1,4 +1,6 @@
-TRANSLATOR_DE_EN = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Englische. Antworte nur mit der übersetzten Satz.\n'
-TRANSLATOR_DE_FR = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Französische. Antworte nur mit der übersetzten Satz.\n'
-TRANSLATOR_DE_ES = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Spanische. Antworte nur mit der übersetzten Satz.\n'
-TRANSLATOR_DE_IT = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Italienische. Antworte nur mit der übersetzten Satz.\n'
+
+# TODO: make this more elegant. this can probably be generated and the base lang be assumed by the llm?
+TRANSLATOR_DEU_ENG = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Englische. Antworte nur mit der übersetzten Satz.\n'
+TRANSLATOR_DEU_FRA = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Französische. Antworte nur mit der übersetzten Satz.\n'
+TRANSLATOR_DEU_SPA = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Spanische. Antworte nur mit der übersetzten Satz.\n'
+TRANSLATOR_DEU_ITA = 'Du bist ein Übersetzer. Übersetze die folgende Satz aus dem Deutschen ins Italienische. Antworte nur mit der übersetzten Satz.\n'
diff --git a/multilang_translator/translator/test_content.py b/multilang_translator/translator/test_content.py
index 17a3c5d..9f5d497 100644
--- a/multilang_translator/translator/test_content.py
+++ b/multilang_translator/translator/test_content.py
@@ -5,7 +5,6 @@ class TestContent:
     DE_HELLO: str = 'Hallo Welt.'
     DE_GATE_OPENED: str = "Gate 23 ist jetzt geöffnet."
     DE_TRAIN_ARRIVING: str = "Der Zug Nach Wien fährt heute von Gleis 3."
-    DE_SECURITY_CHECKPOINT_OPENING: str = "Sicherheitskontrolle 5 ist jetzt geöffnet. Bitte setzen Sie sich in Bewegung, um Ihre Wartezeit während Sicherungsprüfungen zu minimieren."
+    DE_SECURITY_CHECKPOINT_OPENING: str = "Sicherheitskontrolle 5 ist jetzt geöffnet. Bitte setzen Sie sich in Bewegung, um Ihre Wartezeit während Sicherheitsüberprüfungen zu minimieren."
     DE_RAINBOW: str = 'Der Regenbogen ist ein atmosphärisch-optisches Phänomen, das als kreisbogenförmiges farbiges Lichtband in einer von der Sonne beschienenen Wolke oder Regenwand wahrgenommen wird und ein großes Farbspektrum anzeigt.'
-    DE_WAVE_PARTICLE: str = 'Der Wellen-Teilchen-Dualismus ist eine Konzeption, die postuliert, dass Teilchen sowohl als Wellen auf der Mikroebene verhalten sich und genau bestimme Eigenschaften wie Impuls und Energietrang besaßen.'
 TESTSENTENCE = TestContent()
diff --git a/multilang_translator/translator_config.py b/multilang_translator/translator_config.py
new file mode 100644
index 0000000..4a1b112
--- /dev/null
+++ b/multilang_translator/translator_config.py
@@ -0,0 +1,37 @@
+import os
+from pydantic import BaseModel
+from auracast import auracast_config
+
+ANNOUNCEMENT_DIR = os.path.join(os.path.dirname(__file__), 'announcements')
+VENV_DIR = os.path.join(os.path.dirname(__file__), '../venv')
+PIPER_EXE_PATH = f'{VENV_DIR}/bin/piper'
+
+class TranslatorBaseconfig(BaseModel):
+    big: auracast_config.AuracastBigConfig = auracast_config.AuracastBigConfigDe()
+    translator_llm: str = 'llama3.2:3b-instruct-q4_0'
+    llm_client: str = 'ollama'
+    llm_host_url: str | None = 'http://localhost:11434'
+    llm_host_token: str | None = None
+    tts_system: str = 'piper'
+    tts_model: str ='de_DE-kerstin-low'
+
+
+class TranslatorConfigDe(TranslatorBaseconfig):
+    big: auracast_config.AuracastBigConfig = auracast_config.AuracastBigConfigDe()
+    tts_model: str ='de_DE-thorsten-high'
+
+class TranslatorConfigEn(TranslatorBaseconfig):
+    big: auracast_config.AuracastBigConfig = auracast_config.AuracastBigConfigEn()
+    tts_model: str = 'en_GB-alba-medium'
+
+class TranslatorConfigFr(TranslatorBaseconfig):
+    big: auracast_config.AuracastBigConfig = auracast_config.AuracastBigConfigFr()
+    tts_model: str = 'fr_FR-siwis-medium'
+
+class TranslatorConfigEs(TranslatorBaseconfig):
+    big: auracast_config.AuracastBigConfig = auracast_config.AuracastBigConfigEs()
+    tts_model: str = 'es_ES-sharvard-medium'
+
+class TranslatorConfigIt(TranslatorBaseconfig):
+    big: auracast_config.AuracastBigConfig = auracast_config.AuracastBigConfigIt()
+    tts_model: str = 'it_IT-paola-medium'
diff --git a/multilang_translator/utils/resample.py b/multilang_translator/utils/resample.py
index c0b5cce..80146bc 100644
--- a/multilang_translator/utils/resample.py
+++ b/multilang_translator/utils/resample.py
@@ -6,7 +6,7 @@ import librosa
 import soundfile as sf
 
 
-def resample_file(filename, out_filename, target_rate=int(24e3)):
+def resample_file(filename, out_filename, target_rate):
     start=time.time()
     # Load the original audio file
     audio, rate = librosa.load(filename)
@@ -24,7 +24,7 @@ def resample_file(filename, out_filename, target_rate=int(24e3)):
     log.info("Resampling of %s took  %s s", os.path.basename(filename), round(time.time() - start, 3))
 
 
-def resample_array(audio, rate, target_rate=int(24e3)):
+def resample_array(audio, rate, target_rate):
     start=time.time()
     # Load the original audio file
 
diff --git a/pyproject.toml b/pyproject.toml
index 166ab88..f67cc2d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,10 +5,11 @@ version = '0.1'
 
 dependencies = [
     "auracast @git+https://git@gitea.pstruebi.xyz/auracaster/bumble-auracast",
-    "requests",
-    "ollama",
-    "aioconsole",
-    "piper-tts==1.2.0"
+    "requests==2.32.3",
+    "ollama==0.4.7",
+    "aioconsole==0.8.1",
+    "piper-phonemize==1.1.0",
+    "piper-tts==1.2.0",
 ]
 
 [project.optional-dependencies]
diff --git a/tests/test_backend.py b/tests/test_backend.py
index 4fc577b..d8f96be 100644
--- a/tests/test_backend.py
+++ b/tests/test_backend.py
@@ -4,7 +4,7 @@ import time
 import os
 import subprocess
 
-from multilang_translator.config import LANG_CONFIG
+from multilang_translator.translator_config import LANG_CONFIG
 from multilang_translator.backend_controller.broadcaster_play_once import broadcaster_play_file
 from multilang_translator.backend_controller.broadcaster_copy_files import copy_to_broadcaster