[{"child":[],"type":"tab","idName":"","className":"col-4","data":[{"link":"","text":"Features","blank":false},{"link":"function","title":"","blank":false,"text":"Details"},{"link":"price","title":"","blank":false,"text":"Pricing"},{"link":"${guideUrl}/en/naveropenapiv3-speech-synthesis","title":"","blank":true,"text":"Guide"}],"uId":"15699064331171","active":false},{"child":[],"type":"custom","text":"

\n * The provision of CLOVA Speech Synthesis (CSS) and CLOVA Premium Voice (CPV) will end in January 2023.
\n * You can experience more diverse and high-quality AI voices through the NAVER Cloud Platform's CLOVA Voice service.(Go to CLOVA Voice product introduction)
\n * For more details on the termination of CSS and CPV services, refer to the NAVER Cloud Platform Notice.\n (Go to Notice)

","useYn":"Y","active":false,"uId":"16002448525342"},{"child":[{"child":[],"type":"title","idName":"","className":"","text":"### A speech synthesis API
that reads a text like a professional voice-over actor\n\nCLOVA Speech Synthesis is useful when creating applications where you want to have the content read aloud in the charming voice of a professional voice-over actor. You can play speech in lifelike voices to make audio announcements or voice news articles and books.","uId":"15687730540678","active":false,"useYn":"Y"}],"type":"section","idName":"","className":"","uId":"15687730456665","active":false},{"child":[{"child":[],"type":"text","idName":"","className":"","text":"Natural-sounding\n: Built on years of research conducted by NAVER, CLOVA Speech Synthesis delivers voices that are most humanlike. You can enjoy speech synthesis technology that is on par with NAVER’s CLOVA services in Korean, English, Japanese, and Chinese.","uId":"15687731992269","useYn":"Y","active":false},{"child":[],"type":"text","idName":"","className":"","text":"Performance improvements through learning\n: Machine learning, one form of artificial intelligence, drives continuous learning. Benefit from CLOVA Speech Synthesis, which is becoming increasingly intelligent with abundant data acquired from NAVER services.","uId":"15689652095315","useYn":"Y","active":false},{"child":[],"type":"text","idName":"","className":"","text":"Easy to use\n: You can easily access CLOVA Speech Synthesis using the web console. The RESTful API also makes it easier to add speech synthesis capabilities to your applications. View the results in an MP3 format as data streams or files.","uId":"15689652091544","active":false,"useYn":"Y"}],"type":"section","idName":"","className":"def def3","uId":"15687730479636","active":false},{"child":[{"child":[],"type":"text","text":"### Features\nA full suite of artificial intelligence services powered by NAVER’s abundant data\n\n#### Supported services\nThe API receives an input text through a RESTful API and returns a data stream or file in MP3 format after recognizing the text on a server.","uId":"156878414867311","active":false,"useYn":"Y"},{"child":[],"type":"table","idName":"","className":"","legend":"","text":"\n List of Provided Services\n CategoryDescriptionReturn formatA data stream or file in MP3 format Supported languagesKorean, English, Japanese, and Chinese\n","uId":"156878421628012","active":false,"vat":"","useYn":"Y"},{"child":[],"type":"text","text":"#### Using the API\n\nThis open API does not require a login, which means you can access the service by sending the client ID and secret values you were issued when you registered the application to the HTTP header when making a POST call.","uId":"156878424775113","active":false,"useYn":"Y"},{"child":[],"type":"text","text":"#### Use cases\n\nLeverage CLOVA Speech Synthesis to read books aloud, make voice announcements, and create news and audio services in a natural-sounding conversational tone instead of a cold machine voice. Enjoy the same speech synthesis technology that underpins CLOVA.\n","uId":"156878426536914","useYn":"Y","active":false},{"child":[],"type":"text","text":"#### Service limits\n\nYou can set service limits from anywhere between 3 million characters (100,000 daily) and 3 billion characters (1 billion daily) per application a month.\nThe last call that crosses the threshold is allowed (you will be charged based on actual usage).\nExample) Let’s say you set your monthly limit to 1,000 characters. If you have used 990 characters and call 20 additional characters, you can use a total of 1,010 characters and will be billed for 1,010 characters. Reach us at [Customer Support](/support/question/service?parentCode=O2O_AI&code=O2O_AI_002) if you’d like to increase your service limit.","uId":"156878428729315","useYn":"Y","active":false}],"type":"section","idName":"","className":"function","uId":"15687730494187","active":false},{"child":[{"child":[],"type":"custom","idName":"","className":"","text":"

","uId":"156878535871920","active":false},{"child":[],"type":"text","text":"### Pricing Information\n\nCSS usage fee will be charged on the number of service usage per 1,000 characters.","uId":"156878443416316","active":false},{"child":[],"type":"priceDataTableFilter","options":{"type":["region","currency"]},"useYn":"Y","active":false,"uId":"165899292370461"},{"child":[],"type":"priceDataTable","vat":"Y","search":"N","maxHeight":"Y","data":{"productCode":["SPOPAPI000000001"],"productRatingTypeCode":["TTS"],"noUniq":"","rowItems":[{"headerText":"Classification","width":"auto","tag":"th","itemKey":"productRatingTypeCode","codeNameList":["TTS:음성합성 이용글자에 따른 이용요금"],"unit":"","convert":"","orderKey":"","orderBy":"","orderNo":""},{"headerText":"Billing unit(characters used)","width":"auto","tag":"td","itemKey":"chargingUnitBasicValue","unit":"","orderKey":"","codeNameList":[],"orderBy":"","orderNo":""},{"headerText":"Billing standard ","width":"auto","tag":"td","itemKey":"priceUnitCode","unit":"","orderKey":"","codeNameList":["LTRL_CNT:Per character"],"orderBy":"","orderNo":""},{"headerText":"Fee","width":"auto","tag":"td","itemKey":"priceText","unit":"","orderKey":"","codeNameList":[],"orderBy":"","orderNo":""}]},"useYn":"Y","active":false,"uId":"165899292854862"},{"child":[],"type":"custom","idName":"","className":"","text":"

Number of characters will be rounded up to the nearest 1,000.

Characters used will be accumulated and calculated by on a monthly basis.

","uId":"156878449103418","active":false},{"child":[],"type":"text","text":"##### Pricing Examples\n\nCase 1) Using 100 characters from API call 1: {{ _price([{ c:'SPOPAPI000000001', r: 'TTS', a: 1 }]) }} \nCase 2) Using 4,500 characters from API call 1: {{ _price([{ c:'SPOPAPI000000001', r: 'TTS', a: 5 }]) }} . \nCase 3) Using 700 characters from API call 1 and using 200 characters from API call 2 within the same month: Since monthly usage of characters is added up to a total of 900 characters and {{ _price([{ c:'SPOPAPI000000001', r: 'TTS', a: 1 }]) }} will be charged.","uId":"15689653828327","active":false,"useYn":"Y"}],"type":"section","idName":"","className":"price","uId":"156878413787310","active":false}]

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CLOVA Speech Synthesis (CSS)