{"id":7915,"date":"2023-10-11T08:21:31","date_gmt":"2023-10-11T16:21:31","guid":{"rendered":"https:\/\/live-cometml.pantheonsite.io\/?p=7915"},"modified":"2025-04-24T17:05:30","modified_gmt":"2025-04-24T17:05:30","slug":"transcribe-audio-using-speech-recognition-and-process-with-roberta","status":"publish","type":"post","link":"https:\/\/www.comet.com\/site\/blog\/transcribe-audio-using-speech-recognition-and-process-with-roberta\/","title":{"rendered":"Transcribe Audio Using Speech Recognition and Process With RoBERTa"},"content":{"rendered":"\n<link rel=\"canonical\" href=\"https:\/\/www.comet.com\/site\/blog\/transcribe-audio-using-speech-recognition-and-process-with-roberta\">\n\n\n\n<figure class=\"wp-block-image lw lx ly lz ma mb lt lu paragraph-image\"><img decoding=\"async\" src=\"https:\/\/miro.medium.com\/v2\/resize:fit:700\/1*azNhjX_5Ct0CBkr4JyU3Kg.jpeg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Photo by <a class=\"af mn\" href=\"https:\/\/unsplash.com\/@taylor_grote?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\" target=\"_blank\" rel=\"noopener ugc nofollow\">Taylor Grote<\/a> on <a class=\"af mn\" href=\"https:\/\/unsplash.com\/s\/photos\/talking-on-phone?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\" target=\"_blank\" rel=\"noopener ugc nofollow\">Unsplash<\/a><\/figcaption><\/figure>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"16e8\">Introduction<\/h1>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no np nq nr ns nt nu nv nw nx ny nz oa ob oc od oe of og oh oi fi bj wp-block-paragraph\" id=\"5b01\">Have you realized how rapidly artificial intelligence and machine learning have developed over the past few years? Machine learning algorithms can process and analyze enormous volumes of data, which enables them to grow and learn over time. Various sectors, including healthcare, banking, and manufacturing, stand to benefit from the integration of human and machine learning.<\/p>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"a43b\">However, ensuring the algorithms are transparent and ethical is one of the most significant difficulties. The outcomes of machine learning algorithms may be biased or unexpected if they are not carefully developed and maintained. Machine learning includes speech recognition as a crucial element. This article will describe how RoBERTa can be used to recognize speech.<\/p>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"acf9\">Speech Recognition<\/h1>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no np nq nr ns nt nu nv nw nx ny nz oa ob oc od oe of og oh oi fi bj wp-block-paragraph\" id=\"2ec6\">Speech recognition involves converting spoken language into text so that computers can hear and interpret it more easily. Numerous applications, such as automated customer service, virtual assistants, and speech-to-text transcription, use speech recognition extensively.<\/p>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"60e5\">One of the most popular techniques for speech recognition is natural language processing (NLP), which entails training machine learning models on enormous amounts of text data to understand linguistic patterns and structures.<\/p>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"2dd4\">The RoBERTa model has recently emerged as a powerful tool for NLP tasks, including speech recognition.<\/p>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"5088\">RoBERTa<\/h1>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no np nq nr ns nt nu nv nw nx ny nz oa ob oc od oe of og oh oi fi bj wp-block-paragraph\" id=\"6b22\">RoBERTa (Robustly Optimized BERT Approach) is a natural language processing (NLP) model based on the BERT (Bidirectional Encoder Representations from Transformers) architecture. It was developed by Facebook AI Research and released in 2019. It is a state-of-the-art model for a variety of NLP tasks.<\/p>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"3963\">Why Did RoBERTa Get Developed?<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>One of the main reasons for developing RoBERTa was to address the issue of the \u201cpre-training and fine-tuning discrepancy.\u201d This refers to the fact that BERT was pre-trained on one set of tasks but fine-tuned on a different set of tasks for downstream NLP applications. This discrepancy could lead to suboptimal performance on the fine-tuning tasks. It was pre-trained on a more extensive and diverse data set to address this.<\/li>\n\n\n\n<li>Another primary reason for developing RoBERTa was to improve the training process itself. A larger batch size was used during training, allowing for more efficient hardware use and faster training times. The model also achieved superior performance on various NLP tasks through longer training and a more robust approach than BERT.<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"d584\">Architecture of RoBERTa<\/h1>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no np nq nr ns nt nu nv nw nx ny nz oa ob oc od oe of og oh oi fi bj wp-block-paragraph\" id=\"afb6\">RoBERTa\u2019s architecture is based on the BERT (Bidirectional Encoder Representations from Transformers) architecture, with some modifications and improvements. The main components of the RoBERTa architecture are explained below.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong class=\"be pc\">Transformer Blocks:<\/strong> Like BERT, RoBERTa uses a series of transformer blocks to process the input sequence. Each transformer block consists of multi-head self-attention layers and feed-forward layers. The self-attention layers allow the model to focus on different parts of the input sequence. In contrast, the feed-forward layers will enable it to learn nonlinear relationships between the input tokens.<\/li>\n\n\n\n<li><strong class=\"be pc\">Pre-Training Objectives:<\/strong> Using a masked language modeling approach, RoBERTa is pre-trained to anticipate the input tokens that have been randomly masked based on the context. RoBERTa trains the model to assess whether two input sequences in a specific text corpus are contiguous through the \u201cnext sentence prediction\u201d objective.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image pe pf pg ph pi mb lt lu paragraph-image\"><img decoding=\"async\" src=\"https:\/\/miro.medium.com\/v2\/resize:fit:700\/1*WAL67AYUzVnm4FpTU5stvA.png\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><a class=\"af mn\" href=\"https:\/\/www.researchgate.net\/publication\" target=\"_blank\" rel=\"noopener ugc nofollow\">Image Source<\/a><\/figcaption><\/figure>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"81d7\"><strong class=\"be pc\">3. Pre-Processing:<\/strong> Before putting the text into the transformer blocks, pre-processing steps like byte pair encoding (BPE) and sentence piece tokenization segment the input text into smaller subwords, enabling the model to handle out-of-vocabulary (OOV) words.<\/p>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"c7d3\"><strong class=\"be pc\">4. Training Procedure:<\/strong> It is trained using a large corpus of text data, such as Wikipedia and Books Corpus. The training procedure involves training the model on multiple tasks and using a large batch size to improve efficiency. RoBERTa also uses a more robust training approach than BERT, including dynamic masking and no sentence-level segment embeddings.<\/p>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"62c8\">Disadvantages using RoBERTa<\/h1>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no np nq nr ns nt nu nv nw nx ny nz oa ob oc od oe of og oh oi fi bj wp-block-paragraph\" id=\"025f\">RoBERTa differs from the original BERT model in several ways, including better training techniques, larger training datasets, and longer training timeframes. However, there are several drawbacks to employing RoBERTa that should be taken into account.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong class=\"be pc\">Computational Resources:<\/strong> It is a very large model with over 320 million parameters. Training and using the model requires significant computational resources, including powerful GPUs and large amounts of memory. This makes it challenging for individuals and organizations without access to these resources to use the model effectively.<\/li>\n\n\n\n<li><strong class=\"be pc\">Training Time:<\/strong> The RoBERTa model demands a significant amount of training time compared to less complex models. Training a RoBERTa model from scratch may take days to weeks on a single GPU and even longer on less powerful hardware. As a result, it is difficult for researchers and organizations to test and iterate on novel models quickly.<\/li>\n\n\n\n<li><strong class=\"be pc\">Interpretability:<\/strong> Like many other deep learning models, RoBERTa is frequently referred to as a \u201cblack box.\u201d This suggests that understanding how the model derives its predictions can be difficult and problematic in some applications.<\/li>\n\n\n\n<li><strong class=\"be pc\">Overfitting:<\/strong> RoBERTa, like any deep learning model, is prone to overfitting. This can happen when the model becomes too complex or there is insufficient training data to generalize to new examples properly. While RoBERTa was designed to be more robust to overfitting than the original BERT model, it is still important to carefully tune the model\u2019s hyperparameters and use appropriate regularization techniques to avoid overfitting.<\/li>\n\n\n\n<li><strong class=\"be pc\">Pretrained-only:<\/strong> To train for a particular task, a lot of labeled data must be collected. Therefore, fine-tuning this model may not be particularly useful if the task doesn\u2019t have enough labeled data or differs dramatically from the tasks it was pre-trained on.<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"edca\">Implementation<\/h1>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no np nq nr ns nt nu nv nw nx ny nz oa ob oc od oe of og oh oi fi bj wp-block-paragraph\" id=\"8dba\">This section will discuss the implementation of speech recognition using RoBERTa. This code can perform speech recognition on an audio file.<\/p>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"ac30\"><strong class=\"be pc\">Step 1:<\/strong> The most popular Python speech and audio analysis tool is <em class=\"pj\">SpeechRecognition, <\/em>which can be installed using the command.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><span id=\"1ae2\" class=\"po mp fp pl b bf pp pq l pr ps\" data-selectable-paragraph=\"\">pip install SpeechRecognition<\/span><\/pre>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"817c\"><strong class=\"be pc\">Step 2:<\/strong> It\u2019s required to install the following libraries in your Python environment:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong class=\"be pc\">PyTorch<\/strong>: A popular open-source machine learning framework for Python that can be used for building neural networks.<\/li>\n\n\n\n<li><strong class=\"be pc\">Transformers:<\/strong> A Python library that provides pre-trained models for NLP tasks like text classification, question answering, and language generation.<\/li>\n\n\n\n<li><strong class=\"be pc\">Sound device<\/strong>: A library for recording and playing sound with Python.<\/li>\n\n\n\n<li><strong class=\"be pc\">Soundfile:<\/strong> A library for reading and writing sound files with Python.<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\"><span id=\"b8c0\" class=\"po mp fp pl b bf pp pq l pr ps\" data-selectable-paragraph=\"\"><span class=\"hljs-keyword\">import<\/span> speech_recognition <span class=\"hljs-keyword\">as<\/span> sr\n<span class=\"hljs-keyword\">from<\/span> transformers <span class=\"hljs-keyword\">import<\/span> RobertaTokenizer, RobertaForSequenceClassification\n<span class=\"hljs-keyword\">import<\/span> torch<\/span><\/pre>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"b005\"><strong class=\"be pc\">Step 3:<\/strong> Initialize the speech recognition recognizer.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><span id=\"bd11\" class=\"po mp fp pl b bf pp pq l pr ps\" data-selectable-paragraph=\"\">recognizer = sr.Recognizer()<\/span><\/pre>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"317d\"><strong class=\"be pc\">Step 4:<\/strong> Load the pre-trained RoBERTa model and tokenizer<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><span id=\"ae7d\" class=\"po mp fp pl b bf pp pq l pr ps\" data-selectable-paragraph=\"\">model_name = <span class=\"hljs-string\">\"roberta-base\"<\/span>\ntokenizer = RobertaTokenizer.from_pretrained(model_name)\nmodel = RobertaForSequenceClassification.from_pretrained(model_name)<\/span><\/pre>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"530b\">Step 5: Function to transcribe audio and perform RoBERTa processing<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><span id=\"3de0\" class=\"po mp fp pl b bf pp pq l pr ps\" data-selectable-paragraph=\"\">\n<span class=\"hljs-comment\"># Function to transcribe audio and perform RoBERTa processing<\/span>\n<span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title.function\">transcribe_and_process_audio<\/span>(<span class=\"hljs-params\">audio_file_path<\/span>):\n    <span class=\"hljs-keyword\">with<\/span> sr.AudioFile(audio_file_path) <span class=\"hljs-keyword\">as<\/span> source:\n        audio = recognizer.record(source)  <span class=\"hljs-comment\"># Record the audio from the file<\/span>\n\n    <span class=\"hljs-keyword\">try<\/span>:\n        <span class=\"hljs-comment\"># Perform speech recognition<\/span>\n        transcription = recognizer.recognize_google(audio)\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"Transcription:\"<\/span>, transcription)\n\n        <span class=\"hljs-comment\"># Process the transcription using RoBERTa<\/span>\n        inputs = tokenizer(transcription, return_tensors=<span class=\"hljs-string\">\"pt\"<\/span>)\n        outputs = model(**inputs)\n        logits = outputs.logits\n        predicted_class = torch.argmax(logits, dim=<span class=\"hljs-number\">1<\/span>).item()\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"Predicted Class:\"<\/span>, predicted_class)\n\n        <span class=\"hljs-comment\"># You can perform further processing on the transcribed text or the RoBERTa output as needed.<\/span>\n\n    <span class=\"hljs-keyword\">except<\/span> sr.UnknownValueError:\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">\"Speech recognition could not understand audio\"<\/span>)\n    <span class=\"hljs-keyword\">except<\/span> sr.RequestError <span class=\"hljs-keyword\">as<\/span> e:\n        <span class=\"hljs-built_in\">print<\/span>(<span class=\"hljs-string\">f\"Could not request results from Google Speech Recognition service; <span class=\"hljs-subst\">{e}<\/span>\"<\/span>)<\/span><\/pre>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"6c2e\"><strong class=\"be pc\">Step 6: <\/strong>Provide the path to an audio file and start the process.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><span id=\"8f71\" class=\"po mp fp pl b bf pp pq l pr ps\" data-selectable-paragraph=\"\">audio_file_path = <span class=\"hljs-string\">\"your_audio_file.wav\"<\/span>\ntranscribe_and_process_audio(audio_file_path)<\/span><\/pre>\n\n\n\n<h1 class=\"wp-block-heading mo mp fp be mq mr ms mt mu mv mw mx my mz na nb nc nd ne nf ng nh ni nj nk nl bj\" id=\"b06d\">Conclusion<\/h1>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no np nq nr ns nt nu nv nw nx ny nz oa ob oc od oe of og oh oi fi bj wp-block-paragraph\" id=\"1820\">Speech recognition has become an increasingly important technology in recent years, with applications in various fields, including medicine, education, and entertainment. In this article, we have explored how to transcribe audio using speech recognition and process with RoBERTa.<\/p>\n\n\n\n<p class=\"pw-post-body-paragraph nm nn fp be b no oj nq nr ns ok nu nv nw ol ny nz oa om oc od oe on og oh oi fi bj wp-block-paragraph\" id=\"6610\">Due to its adaptability and scalability, the RoBERTa architecture is suitable for various voice recognition applications. Future research could focus on improving the accuracy and speed of voice recognition algorithms and looking into new uses for this technology.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction Have you realized how rapidly artificial intelligence and machine learning have developed over the past few years? Machine learning algorithms can process and analyze enormous volumes of data, which enables them to grow and learn over time. Various sectors, including healthcare, banking, and manufacturing, stand to benefit from the integration of human and machine [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"customer_name":"","customer_description":"","customer_industry":"","customer_technologies":"","customer_logo":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6,7],"tags":[],"coauthors":[181],"class_list":["post-7915","post","type-post","status-publish","format-standard","hentry","category-machine-learning","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Transcribe Audio Using Speech Recognition and Process With RoBERTa - Comet<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.comet.com\/site\/blog\/transcribe-audio-using-speech-recognition-and-process-with-roberta\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transcribe Audio Using Speech Recognition and Process With RoBERTa\" \/>\n<meta property=\"og:description\" content=\"Introduction Have you realized how rapidly artificial intelligence and machine learning have developed over the past few years? Machine learning algorithms can process and analyze enormous volumes of data, which enables them to grow and learn over time. Various sectors, including healthcare, banking, and manufacturing, stand to benefit from the integration of human and machine [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.comet.com\/site\/blog\/transcribe-audio-using-speech-recognition-and-process-with-roberta\/\" \/>\n<meta property=\"og:site_name\" content=\"Comet\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/cometdotml\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-11T16:21:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-24T17:05:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/miro.medium.com\/v2\/resize:fit:700\/1*azNhjX_5Ct0CBkr4JyU3Kg.jpeg\" \/>\n<meta name=\"author\" content=\"Khushboo Kumari\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Cometml\" \/>\n<meta name=\"twitter:site\" content=\"@Cometml\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Khushboo Kumari\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Transcribe Audio Using Speech Recognition and Process With RoBERTa - Comet","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.comet.com\/site\/blog\/transcribe-audio-using-speech-recognition-and-process-with-roberta\/","og_locale":"en_US","og_type":"article","og_title":"Transcribe Audio Using Speech Recognition and Process With RoBERTa","og_description":"Introduction Have you realized how rapidly artificial intelligence and machine learning have developed over the past few years? 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