[s2t] Update wav2vec2 license (#2600)

paddlespeech/s2t/exps/wav2vec2/bin/test.py

-# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+# Copyright (c) 2022 PaddlePaddle Authors. 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.

paddlespeech/s2t/exps/wav2vec2/bin/test_wav.py

-# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+# Copyright (c) 2022 PaddlePaddle Authors. 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.

paddlespeech/s2t/exps/wav2vec2/bin/train.py

-# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+# Copyright (c) 2022 PaddlePaddle Authors. 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.

paddlespeech/s2t/exps/wav2vec2/model.py

-# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+# Copyright (c) 2022 PaddlePaddle Authors. 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.

paddlespeech/s2t/models/wav2vec2/modules/VanillaNN.py

-"""Vanilla Neural Network for simple tests.
-Authors
-* Elena Rastorgueva 2020
-"""
+# Authors
+# * Elena Rastorgueva 2020
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
+# Modified from speechbrain(https://github.com/speechbrain/speechbrain/blob/develop/speechbrain/lobes/models/VanillaNN.py).
 import paddle
 
 from paddlespeech.s2t.models.wav2vec2.modules import containers

paddlespeech/s2t/models/wav2vec2/modules/activations.py

+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
 # Copyright 2020 The HuggingFace Team. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

paddlespeech/s2t/models/wav2vec2/modules/containers.py

+# Authors
+#  * Peter Plantinga 2020
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
+# Modified from speechbrain(https://github.com/speechbrain/speechbrain/blob/develop/speechbrain/nnet/containers.py).
 import inspect
 
 import paddle

paddlespeech/s2t/models/wav2vec2/modules/linear.py

-"""Library implementing linear transformation.
-Authors
- * Mirco Ravanelli 2020
- * Davide Borra 2021
-"""
+# Authors
+#  * Mirco Ravanelli 2020
+#  * Davide Borra 2021
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
+# Modified from speechbrain(https://github.com/speechbrain/speechbrain/blob/develop/speechbrain/nnet/linear.py).
 import logging
 
 import paddle

paddlespeech/s2t/models/wav2vec2/modules/modeling_outputs.py

+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
 # Copyright 2020 The HuggingFace Team. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

paddlespeech/s2t/models/wav2vec2/modules/modeling_wav2vec2.py

-# coding=utf-8
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
 # Copyright 2021 The Fairseq Authors and the HuggingFace Inc. team. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

paddlespeech/s2t/models/wav2vec2/processing/signal_processing.py

-"""
-Low level signal processing utilities
-Authors
- * Peter Plantinga 2020
- * Francois Grondin 2020
- * William Aris 2020
- * Samuele Cornell 2020
- * Sarthak Yadav 2022
-"""
+# Authors
+#  * Peter Plantinga 2020
+#  * Francois Grondin 2020
+#  * William Aris 2020
+#  * Samuele Cornell 2020
+#  * Sarthak Yadav 2022
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
+# Modified from speechbrain(https://github.com/speechbrain/speechbrain/blob/develop/speechbrain/processing/signal_processing.py)
 import numpy as np
 import paddle
 

paddlespeech/s2t/models/wav2vec2/processing/speech_augmentation.py

+# Authors
+# * Peter Plantinga 2020
+# Copyright (c) 2022 PaddlePaddle Authors. 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.
+# Modified from speechbrain(https://github.com/speechbrain/speechbrain/blob/develop/speechbrain/processing/speech_augmentation.py)
 import math
 
 import paddle

paddlespeech/s2t/models/wav2vec2/wav2vec2_ASR.py

+# Copyright (c) 2022 PaddlePaddle Authors. 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.
 from collections import defaultdict
 from typing import Dict
 from typing import List