Chirp 2: precisione multilingue migliorata

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def transcribe_streaming_chirp2(
    audio_file: str
) -> cloud_speech.StreamingRecognizeResponse:
    """Transcribes audio from audio file stream using the Chirp 2 model of Google Cloud Speech-to-Text V2 API.

    Args:
        audio_file (str): Path to the local audio file to be transcribed.
            Example: "resources/audio.wav"

    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API V2 containing
        the transcription results.
    """

    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    # Reads a file as bytes
    with open(audio_file, "rb") as f:
        content = f.read()

    # In practice, stream should be a generator yielding chunks of audio data
    chunk_length = len(content) // 5
    stream = [
        content[start : start + chunk_length]
        for start in range(0, len(content), chunk_length)
    ]
    audio_requests = (
        cloud_speech.StreamingRecognizeRequest(audio=audio) for audio in stream
    )

    recognition_config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["en-US"],
        model="chirp_2",
    )
    streaming_config = cloud_speech.StreamingRecognitionConfig(
        config=recognition_config
    )
    config_request = cloud_speech.StreamingRecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        streaming_config=streaming_config,
    )

    def requests(config: cloud_speech.RecognitionConfig, audio: list) -> list:
        yield config
        yield from audio

    # Transcribes the audio into text
    responses_iterator = client.streaming_recognize(
        requests=requests(config_request, audio_requests)
    )
    responses = []
    for response in responses_iterator:
        responses.append(response)
        for result in response.results:
            print(f"Transcript: {result.alternatives[0].transcript}")

    return responses

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def transcribe_sync_chirp2(
    audio_file: str
) -> cloud_speech.RecognizeResponse:
    """Transcribes an audio file using the Chirp 2 model of Google Cloud Speech-to-Text V2 API.
    Args:
        audio_file (str): Path to the local audio file to be transcribed.
            Example: "resources/audio.wav"
    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API containing
        the transcription results.
    """

    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    # Reads a file as bytes
    with open(audio_file, "rb") as f:
        audio_content = f.read()

    config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["en-US"],
        model="chirp_2",
    )

    request = cloud_speech.RecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        config=config,
        content=audio_content,
    )

    # Transcribes the audio into text
    response = client.recognize(request=request)

    for result in response.results:
        print(f"Transcript: {result.alternatives[0].transcript}")

    return response

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def transcribe_batch_chirp2(
    audio_uri: str,
) -> cloud_speech.BatchRecognizeResults:
    """Transcribes an audio file from a Google Cloud Storage URI using the Chirp 2 model of Google Cloud Speech-to-Text V2 API.
    Args:
        audio_uri (str): The Google Cloud Storage URI of the input audio file.
            E.g., gs://[BUCKET]/[FILE]
    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API containing
        the transcription results.
    """

    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["en-US"],
        model="chirp_2",
    )

    file_metadata = cloud_speech.BatchRecognizeFileMetadata(uri=audio_uri)

    request = cloud_speech.BatchRecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        config=config,
        files=[file_metadata],
        recognition_output_config=cloud_speech.RecognitionOutputConfig(
            inline_response_config=cloud_speech.InlineOutputConfig(),
        ),
    )

    # Transcribes the audio into text
    operation = client.batch_recognize(request=request)

    print("Waiting for operation to complete...")
    response = operation.result(timeout=120)

    for result in response.results[audio_uri].transcript.results:
        print(f"Transcript: {result.alternatives[0].transcript}")

    return response.results[audio_uri].transcript

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def transcribe_sync_chirp2_auto_detect_language(
    audio_file: str
) -> cloud_speech.RecognizeResponse:
    """Transcribes an audio file and auto-detect spoken language using Chirp 2.
    Please see https://cloud.google.com/speech-to-text/v2/docs/encoding for more
    information on which audio encodings are supported.
    Args:
        audio_file (str): Path to the local audio file to be transcribed.
            Example: "resources/audio.wav"
    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API containing
        the transcription results.
    """
    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    # Reads a file as bytes
    with open(audio_file, "rb") as f:
        audio_content = f.read()

    config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["auto"],  # Set language code to auto to detect language.
        model="chirp_2",
    )

    request = cloud_speech.RecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        config=config,
        content=audio_content,
    )

    # Transcribes the audio into text
    response = client.recognize(request=request)

    for result in response.results:
        print(f"Transcript: {result.alternatives[0].transcript}")
        print(f"Detected Language: {result.language_code}")

    return response

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def translate_sync_chirp2(
    audio_file: str
) -> cloud_speech.RecognizeResponse:
    """Translates an audio file using Chirp 2.
    Args:
        audio_file (str): Path to the local audio file to be translated.
            Example: "resources/audio.wav"
    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API containing
        the translated results.
    """

    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    # Reads a file as bytes
    with open(audio_file, "rb") as f:
        audio_content = f.read()

    config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["fr-FR"],  # Set language code to targeted to detect language.
        translation_config=cloud_speech.TranslationConfig(target_language="fr-FR"), # Set target language code.
        model="chirp_2",
    )

    request = cloud_speech.RecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        config=config,
        content=audio_content,
    )

    # Transcribes the audio into text
    response = client.recognize(request=request)

    for result in response.results:
        print(f"Translated transcript: {result.alternatives[0].transcript}")

    return response

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def transcribe_sync_chirp2_with_timestamps(
    audio_file: str
) -> cloud_speech.RecognizeResponse:
    """Transcribes an audio file using the Chirp 2 model of Google Cloud Speech-to-Text V2 API, providing word-level timestamps for each transcribed word.
    Args:
        audio_file (str): Path to the local audio file to be transcribed.
            Example: "resources/audio.wav"
    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API containing
        the transcription results.
    """

    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    # Reads a file as bytes
    with open(audio_file, "rb") as f:
        audio_content = f.read()

    config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["en-US"],
        model="chirp_2",
        features=cloud_speech.RecognitionFeatures(
            enable_word_time_offsets=True, # Enabling word-level timestamps
        )
    )

    request = cloud_speech.RecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        config=config,
        content=audio_content,
    )

    # Transcribes the audio into text
    response = client.recognize(request=request)

    for result in response.results:
        print(f"Transcript: {result.alternatives[0].transcript}")

    return response

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def transcribe_sync_chirp2_model_adaptation(
    audio_file: str
) -> cloud_speech.RecognizeResponse:
    """Transcribes an audio file using the Chirp 2 model with adaptation, improving accuracy for specific audio characteristics or vocabulary.
    Args:
        audio_file (str): Path to the local audio file to be transcribed.
            Example: "resources/audio.wav"
    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API containing
        the transcription results.
    """

    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    # Reads a file as bytes
    with open(audio_file, "rb") as f:
        audio_content = f.read()

    config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["en-US"],
        model="chirp_2",
        # Use model adaptation
        adaptation=cloud_speech.SpeechAdaptation(
          phrase_sets=[
              cloud_speech.SpeechAdaptation.AdaptationPhraseSet(
                  inline_phrase_set=cloud_speech.PhraseSet(phrases=[
                    {
                        "value": "alphabet",
                    },
                    {
                          "value": "cell phone service",
                    }
                  ])
              )
          ]
        )
    )

    request = cloud_speech.RecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        config=config,
        content=audio_content,
    )

    # Transcribes the audio into text
    response = client.recognize(request=request)

    for result in response.results:
        print(f"Transcript: {result.alternatives[0].transcript}")

    return response

import os

from google.cloud.speech_v2 import SpeechClient
from google.cloud.speech_v2.types import cloud_speech
from google.api_core.client_options import ClientOptions

PROJECT_ID = os.getenv("GOOGLE_CLOUD_PROJECT")

def transcribe_sync_chirp2_with_timestamps(
    audio_file: str
) -> cloud_speech.RecognizeResponse:
    """Transcribes an audio file using the Chirp 2 model of Google Cloud Speech-to-Text V2 API, providing word-level timestamps for each transcribed word.
    Args:
        audio_file (str): Path to the local audio file to be transcribed.
            Example: "resources/audio.wav"
    Returns:
        cloud_speech.RecognizeResponse: The response from the Speech-to-Text API containing
        the transcription results.
    """

    # Instantiates a client
    client = SpeechClient(
        client_options=ClientOptions(
            api_endpoint="us-central1-speech.googleapis.com",
        )
    )

    # Reads a file as bytes
    with open(audio_file, "rb") as f:
        audio_content = f.read()

    config = cloud_speech.RecognitionConfig(
        auto_decoding_config=cloud_speech.AutoDetectDecodingConfig(),
        language_codes=["en-US"],
        model="chirp_2",
        denoiser_config={
            denoise_audio: True,
            # Medium snr threshold
            snr_threshold: 20.0,
        }
    )

    request = cloud_speech.RecognizeRequest(
        recognizer=f"projects/{PROJECT_ID}/locations/us-central1/recognizers/_",
        config=config,
        content=audio_content,
    )

    # Transcribes the audio into text
    response = client.recognize(request=request)

    for result in response.results:
        print(f"Transcript: {result.alternatives[0].transcript}")

    return response