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What’s the Difference between Speech Synthesis and Text-to-Speech? An article about both technologies

2 Mins read

When you can produce human speech artificially, it is known as speech synthesis. It is done using a speech synthesizer or a speech computer. It is done for hardware and software usage. However, a text-to-speech system helps to convert a normal language into speech. So, it means it can convert phonetic transcription into speech. 

How to convert text using a speech synthesizer?

Users can produce synthesized speech by concatenating pieces of recorded audio clips stored in the storage. A database can have different sizes of stored speech units ranging from phones to diphones. Hence, domains use the storage of complete words and sentences to produce high-quality output. Also, a voice synthesis can include a vocal tract model and other real voice traits to develop a fully synthetic voice result. You can judge the quality of a speech synthesizer by assessing its similarity to the human voice and its clarity. 

TTS

On the contrary, a smart text-to-speech tool helps convert the available text into voice without hassle. You can just add the text you want to convert. Choose the language in which you want to convert it, select a unified voice from the wide voice database available, do tweaking as per your requirements, and you will get the results within minutes. A TTS program allows people with visual issues or reading disabilities to listen to the written text on their preferred device.

How to convert text using a Text-to-speech program?

A TTS system includes two parts- frontend and backend. The front end converts the initial text with numbers, dates, and abbreviations into written words. It then adds phonetic transcriptions to every word and segregates them into phrases and sentences. The backend, also known as the synthesizer, converts the words into sound. In some programs, it has the power to change the pitch, speech, and tonality when generating results.

Synthesizer technologies trait

The major traits of speech synthesis are intelligence and naturalist. Intelligence is the smartness with which the output is understood, and naturalist is how closely the generated sounds appear like a human. A good synthesizer should be natural and smart. 

TTS trait

A TTS-generated speech sounds like a human. The basic traits which describe it are emotionality and humanlike voice. You can add any emotion you want to a text. The TTS program assesses the text’s mood, behavior, and emotion and then forms the tone of the audio clip.

One of the best examples of a Text-to-speech program is Play.ht. The software helps you generate humanlike voices within seconds. It just needs you to add the text to its clipboard, make the settings about the kind of voice you want to generate, the language, the tonality, and you’re good to go. Make your selection from the long list of options it has. Every voice is unique and will give you an amazing result. Use it for your e-learning material, blog, and create study matter for visually disabled or illiterate people and everyone else in the comfort of your home, without investing any effort or time elsewhere.

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