)
        else:
            configure_credentials(
                yandex_credentials=creds.YandexCredentials(iam_token=self.iam_token)
            )
        audio = AudioSegment.from_file(blob.path)
        model = model_repository.recognition_model()
        model.model = self.model
        model.language = self.language
        model.audio_processing_type = AudioProcessingType.Full
        result = model.transcribe(audio)
        for res in result:
            yield Document(
                page_content=res.normalized_text,
                metadata={"source": blob.source},
            )