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README.md

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+---
+library_name: transformers
+tags: []
+---
+
+# Model Card for Model ID
+
+<!-- Provide a quick summary of what the model is/does. -->
+
+
+
+## Model Details
+
+### Model Description
+
+<!-- Provide a longer summary of what this model is. -->
+
+This is the model card of a 🤗 transformers model that has been pushed on the Hub. This model card has been automatically generated.
+
+- **Developed by:** [More Information Needed]
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+### Model Sources [optional]
+
+<!-- Provide the basic links for the model. -->
+
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+
+## Uses
+
+<!-- Address questions around how the model is intended to be used, including the foreseeable users of the model and those affected by the model. -->
+
+### Direct Use
+
+<!-- This section is for the model use without fine-tuning or plugging into a larger ecosystem/app. -->
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+[More Information Needed]
+
+### Downstream Use [optional]
+
+<!-- This section is for the model use when fine-tuned for a task, or when plugged into a larger ecosystem/app -->
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+[More Information Needed]
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+### Out-of-Scope Use
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+<!-- This section addresses misuse, malicious use, and uses that the model will not work well for. -->
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+[More Information Needed]
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+## Bias, Risks, and Limitations
+
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+[More Information Needed]
+
+### Recommendations
+
+<!-- This section is meant to convey recommendations with respect to the bias, risk, and technical limitations. -->
+
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+
+## How to Get Started with the Model
+
+Use the code below to get started with the model.
+
+[More Information Needed]
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+## Training Details
+
+### Training Data
+
+<!-- This should link to a Dataset Card, perhaps with a short stub of information on what the training data is all about as well as documentation related to data pre-processing or additional filtering. -->
+
+[More Information Needed]
+
+### Training Procedure
+
+<!-- This relates heavily to the Technical Specifications. Content here should link to that section when it is relevant to the training procedure. -->
+
+#### Preprocessing [optional]
+
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+
+
+#### Training Hyperparameters
+
+- **Training regime:** [More Information Needed] <!--fp32, fp16 mixed precision, bf16 mixed precision, bf16 non-mixed precision, fp16 non-mixed precision, fp8 mixed precision -->
+
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+[More Information Needed]
+
+## Evaluation
+
+<!-- This section describes the evaluation protocols and provides the results. -->
+
+### Testing Data, Factors & Metrics
+
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+
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+#### Metrics
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+<!-- These are the evaluation metrics being used, ideally with a description of why. -->
+
+[More Information Needed]
+
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+
+#### Summary
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+
+
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+
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+
+Carbon emissions can be estimated using the [Machine Learning Impact calculator](https://mlco2.github.io/impact#compute) presented in [Lacoste et al. (2019)](https://arxiv.org/abs/1910.09700).
+
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+## Technical Specifications [optional]
+
+### Model Architecture and Objective
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+[More Information Needed]
+
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config.json

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+{
+  "auto_map": {
+    "AutoConfig": "configuration_meralion.MERaLiONConfig"
+  },
+  "head_dim": 256,
+  "hidden_size": 3584,
+  "intermediate_size": 14336,
+  "model_type": "meralion",
+  "num_attention_heads": 16,
+  "num_hidden_layers": 42,
+  "num_key_value_heads": 8,
+  "sliding_window": 4096,
+  "speech_config": {
+    "_name_or_path": "openai/whisper-large-v3",
+    "apply_spec_augment": true,
+    "architectures": [
+      "WhisperForConditionalGeneration"
+    ],
+    "begin_suppress_tokens": [
+      220,
+      50257
+    ],
+    "bos_token_id": 50257,
+    "d_model": 1280,
+    "decoder_attention_heads": 20,
+    "decoder_ffn_dim": 5120,
+    "decoder_layers": 32,
+    "decoder_start_token_id": 50258,
+    "encoder_attention_heads": 20,
+    "encoder_ffn_dim": 5120,
+    "encoder_layers": 32,
+    "eos_token_id": 50257,
+    "mask_time_length": 20,
+    "max_length": 448,
+    "model_type": "meralion_speech_encoder",
+    "num_hidden_layers": 32,
+    "num_mel_bins": 128,
+    "torch_dtype": "bfloat16",
+    "vocab_size": 51866
+  },
+  "speech_mlp_scale_factor": 15,
+  "speech_token_index": 255999,
+  "text_config": {
+    "_name_or_path": "aisingapore/gemma2-9b-cpt-sea-lionv3-instruct",
+    "architectures": [
+      "Gemma2ForCausalLM"
+    ],
+    "eos_token_id": 107,
+    "hidden_act": "gelu_pytorch_tanh",
+    "hidden_size": 3584,
+    "intermediate_size": 14336,
+    "model_type": "meralion_text_decoder",
+    "num_hidden_layers": 42,
+    "num_key_value_heads": 8,
+    "query_pre_attn_scalar": 256,
+    "sliding_window_size": 4096,
+    "torch_dtype": "bfloat16"
+  },
+  "transformers_version": "4.44.2"
+}

configuration_meralion.py

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+# coding=utf-8
+# Copyright 2024 Microsoft Research & University of Wisconsin-Madison and the HuggingFace Inc. team. All rights reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""MERaLiON model configuration"""
+
+from collections import OrderedDict
+from typing import TYPE_CHECKING, Any, Mapping, Optional, Union
+
+from transformers.configuration_utils import PretrainedConfig
+from transformers.onnx import OnnxConfig
+from transformers.utils import logging
+
+
+if TYPE_CHECKING:
+    from transformers.feature_extraction_utils import FeatureExtractionMixin
+    from transformers.tokenization_utils_base import PreTrainedTokenizerBase
+    from transformers.utils import TensorType
+
+
+logger = logging.get_logger(__name__)
+
+
+# fmt: off
+NON_SPEECH_TOKENS = [
+    1, 2, 7, 8, 9, 10, 14, 25,
+    26, 27, 28, 29, 31, 58, 59, 60, 61, 62,
+    63, 90, 91, 92, 93, 357, 366, 438, 532, 685,
+    705, 796, 930, 1058, 1220, 1267, 1279, 1303, 1343, 1377,
+    1391, 1635, 1782, 1875, 2162, 2361, 2488, 3467, 4008, 4211,
+    4600, 4808, 5299, 5855, 6329, 7203, 9609, 9959, 10563, 10786,
+    11420, 11709, 11907, 13163, 13697, 13700, 14808, 15306, 16410, 16791,
+    17992, 19203, 19510, 20724, 22305, 22935, 27007, 30109, 30420, 33409,
+    34949, 40283, 40493, 40549, 47282, 49146, 50257, 50359, 50360, 50361
+]
+NON_SPEECH_TOKENS_MULTI = [
+    1, 2, 7, 8, 9, 10, 14, 25,
+    26, 27, 28, 29, 31, 58, 59, 60, 61, 62,
+    63, 90, 91, 92, 93, 359, 503, 522, 542, 873,
+    893, 902, 918, 922, 931, 1350, 1853, 1982, 2460, 2627,
+    3246, 3253, 3268, 3536, 3846, 3961, 4183, 4667, 6585, 6647,
+    7273, 9061, 9383, 10428, 10929, 11938, 12033, 12331, 12562, 13793,
+    14157, 14635, 15265, 15618, 16553, 16604, 18362, 18956, 20075, 21675,
+    22520, 26130, 26161, 26435, 28279, 29464, 31650, 32302, 32470, 36865,
+    42863, 47425, 49870, 50254, 50258, 50360, 50361, 50362
+]
+# fmt: on
+
+# Copied from transformers.models.whisper.configuration_whisper.WhisperConfig
+class MERaLiONSpeechConfig(PretrainedConfig):
+    r"""
+    This is the configuration class to store the configuration of a [`MERaLiONSpeechModel`]. It is used to instantiate a
+    MERaLiONSpeech model according to the specified arguments, defining the model architecture. Instantiating a configuration
+    with the defaults will yield a similar configuration to that of the MERaLiONSpeech
+    [openai/whisper-tiny](https://huggingface.co/openai/whisper-tiny) architecture.
+
+    Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
+    documentation from [`PretrainedConfig`] for more information.
+
+
+    Args:
+        vocab_size (`int`, *optional*, defaults to 51865):
+            Vocabulary size of the MERaLiONSpeech model. Defines the number of different tokens that can be represented by the
+            `decoder_input_ids` passed when calling [`MERaLiONSpeechModel`]
+        num_mel_bins (`int`, *optional*, defaults to 80):
+            Number of mel features used per input features. Should correspond to the value used in the
+            `MERaLiONSpeechProcessor` class.
+        encoder_layers (`int`, *optional*, defaults to 4):
+            Number of encoder layers.
+        decoder_layers (`int`, *optional*, defaults to 4):
+            Number of decoder layers.
+        encoder_attention_heads (`int`, *optional*, defaults to 6):
+            Number of attention heads for each attention layer in the Transformer encoder.
+        decoder_attention_heads (`int`, *optional*, defaults to 6):
+            Number of attention heads for each attention layer in the Transformer decoder.
+        encoder_ffn_dim (`int`, *optional*, defaults to 1536):
+            Dimensionality of the "intermediate" (often named feed-forward) layer in encoder.
+        decoder_ffn_dim (`int`, *optional*, defaults to 1536):
+            Dimensionality of the "intermediate" (often named feed-forward) layer in decoder.
+        encoder_layerdrop (`float`, *optional*, defaults to 0.0):
+            The LayerDrop probability for the encoder. See the [LayerDrop paper](see https://arxiv.org/abs/1909.11556)
+            for more details.
+        decoder_layerdrop (`float`, *optional*, defaults to 0.0):
+            The LayerDrop probability for the decoder. See the [LayerDrop paper](see https://arxiv.org/abs/1909.11556)
+            for more details.
+        decoder_start_token_id (`int`, *optional*, defaults to 50257):
+            Corresponds to the "<|startoftranscript|>" token, which is automatically used when no `decoder_input_ids`
+            are provided to the `generate` function. It is used to guide the model`s generation process depending on
+            the task.
+        use_cache (`bool`, *optional*, defaults to `True`):
+            Whether or not the model should return the last key/values attentions (not used by all models).
+        is_encoder_decoder (`bool`, *optional*, defaults to `True`):
+            Whether the model is used as an encoder/decoder or not.
+        activation_function (`str`, *optional*, defaults to `"gelu"`):
+            The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
+            `"relu"`, `"silu"` and `"gelu_new"` are supported.
+        d_model (`int`, *optional*, defaults to 384):
+            Dimensionality of the layers.
+        dropout (`float`, *optional*, defaults to 0.1):
+            The dropout probability for all fully connected layers in the embeddings, encoder, and pooler.
+        attention_dropout (`float`, *optional*, defaults to 0.0):
+            The dropout ratio for the attention probabilities.
+        activation_dropout (`float`, *optional*, defaults to 0.0):
+            The dropout ratio for activations inside the fully connected layer.
+        init_std (`float`, *optional*, defaults to 0.02):
+            The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
+        scale_embedding (`bool`, *optional*, defaults to False):
+            Scale embeddings by diving by sqrt(d_model).
+        max_source_positions (`int`, *optional*, defaults to 1500):
+            The maximum sequence length of log-mel filter-bank features that this model might ever be used with.
+        max_target_positions (`int`, *optional*, defaults to 448):
+            The maximum sequence length that this model might ever be used with. Typically set this to something large
+            just in case (e.g., 512 or 1024 or 2048).
+        pad_token_id (`int`, *optional*, defaults to 50256):
+            Padding token id.
+        bos_token_id (`int`, *optional*, defaults to 50256):
+            Begin of stream token id.
+        eos_token_id (`int`, *optional*, defaults to 50256):
+            End of stream token id.
+        suppress_tokens (`List[int]`, *optional*):
+            A list containing the non-speech tokens that will be used by the logit processor in the `generate`
+            function. NON_SPEECH_TOKENS and NON_SPEECH_TOKENS_MULTI each correspond to the `english-only` and the
+            `multilingual` model.
+        begin_suppress_tokens (`List[int]`, *optional*, defaults to `[220,50256]`):
+            A list containing tokens that will be supressed at the beginning of the sampling process. Initialized as
+            the token for `" "` (`blank_token_id`) and the `eos_token_id`
+        use_weighted_layer_sum (`bool`, *optional*, defaults to `False`):
+            Whether to use a weighted average of layer outputs with learned weights. Only relevant when using an
+            instance of [`MERaLiONSpeechForAudioClassification`].
+        classifier_proj_size (`int`, *optional*, defaults to 256):
+            Dimensionality of the projection before token mean-pooling for classification. Only relevant when using an
+            instance of [`MERaLiONSpeechForAudioClassification`].
+        apply_spec_augment (`bool`, *optional*, defaults to `False`):
+            Whether to apply *SpecAugment* data augmentation to the outputs of the feature encoder. For reference see
+            [SpecAugment: A Simple Data Augmentation Method for Automatic Speech
+            Recognition](https://arxiv.org/abs/1904.08779).
+        mask_time_prob (`float`, *optional*, defaults to 0.05):
+            Percentage (between 0 and 1) of all feature vectors along the time axis which will be masked. The masking
+            procecure generates `mask_time_prob*len(time_axis)/mask_time_length` independent masks over the axis. If
+            reasoning from the propability of each feature vector to be chosen as the start of the vector span to be
+            masked, *mask_time_prob* should be `prob_vector_start*mask_time_length`. Note that overlap may decrease the
+            actual percentage of masked vectors. This is only relevant if `apply_spec_augment == True`.
+        mask_time_length (`int`, *optional*, defaults to 10):
+            Length of vector span along the time axis.
+        mask_time_min_masks (`int`, *optional*, defaults to 2),:
+            The minimum number of masks of length `mask_feature_length` generated along the time axis, each time step,
+            irrespectively of `mask_feature_prob`. Only relevant if ''mask_time_prob*len(time_axis)/mask_time_length <
+            mask_time_min_masks''
+        mask_feature_prob (`float`, *optional*, defaults to 0.0):
+            Percentage (between 0 and 1) of all feature vectors along the feature axis which will be masked. The
+            masking procecure generates `mask_feature_prob*len(feature_axis)/mask_time_length` independent masks over
+            the axis. If reasoning from the propability of each feature vector to be chosen as the start of the vector
+            span to be masked, *mask_feature_prob* should be `prob_vector_start*mask_feature_length`. Note that overlap
+            may decrease the actual percentage of masked vectors. This is only relevant if `apply_spec_augment is
+            True`.
+        mask_feature_length (`int`, *optional*, defaults to 10):
+            Length of vector span along the feature axis.
+        mask_feature_min_masks (`int`, *optional*, defaults to 0),:
+            The minimum number of masks of length `mask_feature_length` generated along the feature axis, each time
+            step, irrespectively of `mask_feature_prob`. Only relevant if
+            `mask_feature_prob*len(feature_axis)/mask_feature_length < mask_feature_min_masks`.
+        median_filter_width (`int`, *optional*, defaults to 7):
+            Width of the median filter used to smoothen to cross-attention outputs when computing token timestamps.
+            Should be an odd number.
+    """
+
+    model_type = "meralion_speech_encoder"
+    keys_to_ignore_at_inference = ["past_key_values"]
+    attribute_map = {
+        "num_key_value_heads": "encoder_attention_heads",
+        "num_attention_heads": "encoder_attention_heads",
+        "hidden_size": "d_model",
+    }
+
+    def __init__(
+        self,
+        vocab_size=51865,
+        num_mel_bins=80,
+        encoder_layers=4,
+        encoder_attention_heads=6,
+        decoder_layers=4,
+        decoder_attention_heads=6,
+        decoder_ffn_dim=1536,
+        encoder_ffn_dim=1536,
+        encoder_layerdrop=0.0,
+        decoder_layerdrop=0.0,
+        decoder_start_token_id=50257,
+        use_cache=True,
+        is_encoder_decoder=True,
+        activation_function="gelu",
+        d_model=384,
+        dropout=0.0,
+        attention_dropout=0.0,
+        activation_dropout=0.0,
+        init_std=0.02,
+        scale_embedding=False,
+        max_source_positions=1500,
+        max_target_positions=448,
+        pad_token_id=50256,
+        bos_token_id=50256,
+        eos_token_id=50256,
+        suppress_tokens=None,
+        begin_suppress_tokens=[220, 50256],
+        use_weighted_layer_sum=False,
+        classifier_proj_size=256,
+        apply_spec_augment=False,
+        mask_time_prob=0.05,
+        mask_time_length=10,
+        mask_time_min_masks=2,
+        mask_feature_prob=0.0,
+        mask_feature_length=10,
+        mask_feature_min_masks=0,
+        median_filter_width=7,
+        **kwargs,
+    ):
+        self.vocab_size = vocab_size
+        self.num_mel_bins = num_mel_bins
+        self.d_model = d_model
+        self.encoder_layers = encoder_layers
+        self.encoder_attention_heads = encoder_attention_heads
+        self.decoder_layers = decoder_layers
+        self.decoder_attention_heads = decoder_attention_heads
+        self.decoder_ffn_dim = decoder_ffn_dim
+        self.encoder_ffn_dim = encoder_ffn_dim
+        self.dropout = dropout
+        self.attention_dropout = attention_dropout
+        self.activation_dropout = activation_dropout
+        self.activation_function = activation_function
+        self.init_std = init_std
+        self.encoder_layerdrop = encoder_layerdrop
+        self.decoder_layerdrop = decoder_layerdrop
+        self.use_cache = use_cache
+        self.num_hidden_layers = encoder_layers
+        self.scale_embedding = scale_embedding  # scale factor will be sqrt(d_model) if True
+        self.max_source_positions = max_source_positions
+        self.max_target_positions = max_target_positions
+
+        # Audio Classification-specific parameters. Feel free to ignore for other classes.
+        self.classifier_proj_size = classifier_proj_size
+        self.use_weighted_layer_sum = use_weighted_layer_sum
+
+        # fine-tuning config parameters for SpecAugment: https://arxiv.org/abs/1904.08779
+        self.apply_spec_augment = apply_spec_augment
+        self.mask_time_prob = mask_time_prob
+        self.mask_time_length = mask_time_length
+        self.mask_time_min_masks = mask_time_min_masks
+        self.mask_feature_prob = mask_feature_prob
+        self.mask_feature_length = mask_feature_length
+        self.mask_feature_min_masks = mask_feature_min_masks
+
+        self.median_filter_width = median_filter_width
+
+        super().__init__(
+            pad_token_id=pad_token_id,
+            bos_token_id=bos_token_id,
+            eos_token_id=eos_token_id,
+            is_encoder_decoder=is_encoder_decoder,
+            decoder_start_token_id=decoder_start_token_id,
+            suppress_tokens=suppress_tokens,
+            begin_suppress_tokens=begin_suppress_tokens,
+            **kwargs,
+        )
+    @property
+    def inputs(self) -> Mapping[str, Mapping[int, str]]:
+        common_inputs = OrderedDict(
+            [
+                ("input_features", {0: "batch", 1: "feature_size", 2: "encoder_sequence"}),
+            ]
+        )
+        if self.use_past:
+            common_inputs["decoder_input_ids"] = {0: "batch"}
+        else:
+            common_inputs["decoder_input_ids"] = {0: "batch", 1: "decoder_sequence"}
+
+        if self.use_past:
+            self.fill_with_past_key_values_(common_inputs, direction="inputs")
+
+        return common_inputs
+
+    def generate_dummy_inputs(
+        self,
+        preprocessor: Union["PreTrainedTokenizerBase", "FeatureExtractionMixin"],
+        batch_size: int = -1,
+        seq_length: int = -1,
+        is_pair: bool = False,
+        framework: Optional["TensorType"] = None,
+        sampling_rate: int = 22050,
+        time_duration: float = 5.0,
+        frequency: int = 220,
+    ) -> Mapping[str, Any]:
+        dummy_inputs = OrderedDict()
+        encoder_inputs = OnnxConfig.generate_dummy_inputs(
+            self,
+            preprocessor=preprocessor.feature_extractor,
+            batch_size=batch_size,
+            framework=framework,
+            sampling_rate=sampling_rate,
+            time_duration=time_duration,
+            frequency=frequency,
+        )
+        encoder_sequence_length = encoder_inputs["input_features"].shape[2]
+        seq_length = encoder_sequence_length // 2 if self.use_past else seq_length
+
+        decoder_inputs = super().generate_dummy_inputs(
+            preprocessor.tokenizer, batch_size, seq_length, is_pair, framework
+        )
+
+        dummy_inputs["input_features"] = encoder_inputs.pop("input_features")
+        dummy_inputs["decoder_input_ids"] = decoder_inputs.pop("decoder_input_ids")
+
+        if "past_key_values" in decoder_inputs:
+            dummy_inputs["past_key_values"] = decoder_inputs.pop("past_key_values")
+
+        return dummy_inputs
+
+    @property
+    def atol_for_validation(self) -> float:
+        return 1e-3
+    
+
+# Copied from transformers.models.gemma2.configuration_gemma2.Gemma2Config
+class MERaLiONTextConfig(PretrainedConfig):
+    r"""
+    This is the configuration class to store the configuration of a [`MERaLiONTextModel`]. It is used to instantiate an MERaLiONText
+    model according to the specified arguments, defining the model architecture. 
+    Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
+    documentation from [`PretrainedConfig`] for more information.
+    Args:
+        vocab_size (`int`, *optional*, defaults to 256000):
+            Vocabulary size of the MERaLiONText model. Defines the number of different tokens that can be represented by the
+            `inputs_ids` passed when calling [`MERaLiONTextModel`]
+        hidden_size (`int`, *optional*, defaults to 3072):
+            Dimension of the hidden representations.
+        intermediate_size (`int`, *optional*, defaults to 24576):
+            Dimension of the MLP representations.
+        num_hidden_layers (`int`, *optional*, defaults to 28):
+            Number of hidden layers in the Transformer decoder.
+        num_attention_heads (`int`, *optional*, defaults to 16):
+            Number of attention heads for each attention layer in the Transformer decoder.
+        num_key_value_heads (`int`, *optional*, defaults to 16):
+            This is the number of key_value heads that should be used to implement Grouped Query Attention. If
+            `num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if
+            `num_key_value_heads=1` the model will use Multi Query Attention (MQA) otherwise GQA is used. When
+            converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed
+            by meanpooling all the original heads within that group. For more details checkout [this
+            paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to
+            `num_attention_heads`.
+        head_dim (`int`, *optional*, defaults to 256):
+            The attention head dimension.
+        hidden_activation (`str` or `function`, *optional*, defaults to `"gelu_pytorch_tanh"`):
+            The non-linear activation function (function or string) in the decoder. Will default to `"gelu_pytorch_tanh"`
+            if not specified. `"gelu_pytorch_tanh"` uses an approximation of the `"gelu"` activation function.
+        max_position_embeddings (`int`, *optional*, defaults to 8192):
+            The maximum sequence length that this model might ever be used with.
+        initializer_range (`float`, *optional*, defaults to 0.02):
+            The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
+        rms_norm_eps (`float`, *optional*, defaults to 1e-06):
+            The epsilon used by the rms normalization layers.
+        use_cache (`bool`, *optional*, defaults to `True`):
+            Whether or not the model should return the last key/values attentions (not used by all models). Only
+            relevant if `config.is_decoder=True`.
+        pad_token_id (`int`, *optional*, defaults to 0):
+            Padding token id.
+        eos_token_id (`int`, *optional*, defaults to 1):
+            End of stream token id.
+        bos_token_id (`int`, *optional*, defaults to 2):
+            Beginning of stream token id.
+        tie_word_embeddings (`bool`, *optional*, defaults to `True`):
+            Whether to tie weight embeddings
+        rope_theta (`float`, *optional*, defaults to 10000.0):
+            The base period of the RoPE embeddings.
+        attention_bias (`bool`, defaults to `False`, *optional*, defaults to `False`):
+            Whether to use a bias in the query, key, value and output projection layers during self-attention.
+        attention_dropout (`float`, *optional*, defaults to 0.0):
+            The dropout ratio for the attention probabilities.
+        query_pre_attn_scalar (`float`, *optional*, defaults to 224): scaling factor used on the attention scores
+        sliding_window (`int`, *optional*, defaults to 4096): in MERaLiONText, every other layer uses sliding window attention. This is the
+            size of the sliding window.
+        final_logit_softcapping (`float`, *optional*, defaults to 30.0): scaling factor when applying tanh softcapping on the logits.
+        attn_logit_softcapping (`float`, *optional*, defaults to 50.0): scaling factor when applying tanh softcapping on the attention scores.
+        cache_implementation (`str`, *optional*, defaults to `"hybrid"`): the cache type to be used with `generate`.
+    """
+
+    model_type = "meralion_text_decoder"
+    keys_to_ignore_at_inference = ["past_key_values"]
+
+    def __init__(
+        self,
+        vocab_size=256000,
+        hidden_size=3072,
+        intermediate_size=24576,
+        num_hidden_layers=28,
+        num_attention_heads=16,
+        num_key_value_heads=16,
+        head_dim=256,
+        hidden_activation="gelu_pytorch_tanh",
+        max_position_embeddings=8192,
+        initializer_range=0.02,
+        rms_norm_eps=1e-6,
+        use_cache=True,
+        pad_token_id=0,
+        eos_token_id=1,
+        bos_token_id=2,
+        tie_word_embeddings=True,
+        rope_theta=10000.0,
+        attention_bias=False,
+        attention_dropout=0.0,
+        query_pre_attn_scalar=224,
+        sliding_window=4096,
+        final_logit_softcapping=30.0,
+        attn_logit_softcapping=50.0,
+        cache_implementation="hybrid",
+        **kwargs,
+    ):
+        super().__init__(
+            pad_token_id=pad_token_id,
+            bos_token_id=bos_token_id,
+            eos_token_id=eos_token_id,
+            tie_word_embeddings=tie_word_embeddings,
+            **kwargs,
+        )
+        self.vocab_size = vocab_size
+        self.max_position_embeddings = max_position_embeddings
+        self.hidden_size = hidden_size
+        self.intermediate_size = intermediate_size
+        self.num_hidden_layers = num_hidden_layers
+        self.num_attention_heads = num_attention_heads
+        self.head_dim = head_dim
+        self.num_key_value_heads = num_key_value_heads
+        self.initializer_range = initializer_range
+        self.rms_norm_eps = rms_norm_eps
+        self.use_cache = use_cache
+        self.rope_theta = rope_theta
+        self.attention_bias = attention_bias
+        self.attention_dropout = attention_dropout
+        self.hidden_activation = hidden_activation
+        self.query_pre_attn_scalar = query_pre_attn_scalar
+        self.sliding_window = sliding_window
+        self.final_logit_softcapping = final_logit_softcapping
+        self.attn_logit_softcapping = attn_logit_softcapping
+        self.cache_implementation = cache_implementation
+
+
+class MERaLiONConfig(PretrainedConfig):
+    r"""
+    This is the configuration class to store the configuration of a [`MERaLiONForConditionalGeneration`]. It is used to instantiate an
+    MERaLiON model according to the specified arguments, defining the model architecture. Instantiating a configuration
+    with the defaults will yield a similar configuration to that of the MERaLiON.
+
+    Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
+    documentation from [`PretrainedConfig`] for more information.
+
+    Args:
+        audio_config (`Union[AutoConfig, dict]`,  *optional*, defaults to `CLIPVisionConfig`):
+            The config object or dictionary of the audio backbone.
+        text_config (`Union[AutoConfig, dict]`, *optional*, defaults to `LlamaConfig`):
+            The config object or dictionary of the text backbone.
+        audio_token_index (`int`, *optional*, defaults to 151646):
+            The image token index to encode the image prompt.
+    """
+
+    model_type = "meralion"
+    is_composition = False
+
+    def __init__(
+        self,
+        speech_config=None,
+        text_config=None,
+        speech_mlp_scale_factor=15,
+        speech_token_index=255999,
+        **kwargs,
+    ):
+        
+        if isinstance(speech_config, dict):
+            speech_config = MERaLiONSpeechConfig(**speech_config)
+        elif speech_config is None:
+            speech_config = MERaLiONSpeechConfig(
+                d_model=1280,
+                encoder_attention_heads=20,
+                encoder_ffn_dim=5120,
+                encoder_layerdrop=0.0,
+                encoder_layers=32,
+                num_mel_bins=128,
+                max_source_positions=1500,
+                scale_embedding=False,
+                activation_function="gelu",
+            )
+
+        self.speech_config = speech_config
+
+        if isinstance(text_config, dict):
+            text_config = MERaLiONTextConfig(**text_config)
+        elif text_config is None:
+            text_config = MERaLiONTextConfig()
+
+        self.text_config = text_config
+
+        self.speech_mlp_scale_factor = speech_mlp_scale_factor
+        self.speech_token_index = speech_token_index
+        
+        self.sliding_window = self.text_config.sliding_window
+        self.hidden_size = self.text_config.hidden_size
+        self.num_attention_heads = self.text_config.num_attention_heads
+        self.num_hidden_layers = self.text_config.num_hidden_layers
+        self.num_key_value_heads = self.text_config.num_key_value_heads
+        self.head_dim = self.text_config.head_dim
+        self.intermediate_size = self.text_config.intermediate_size
+        
+        super().__init__(**kwargs)