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Best free tts engine android4/16/2023 ![]() You can easily mix multiple voices in the same project to record a dialogue. French voices, for instance, still feel very robotic. Of course, as for the other solutions available on the market, you’ll achieve the best results in English, which benefits from more training material. You can also further fine tune the emphasis of specific words in your copy. I could see myself using them for simple audio ads. The quality of Pro-level voice rendering is pretty impressive. You can search the database for voices optimized for audiobooks, product demos, meditation or advertisements. Murf.ai is a user-friendly TTS service which offers expressive AI voice actors for all sorts of purposes. Their recent updates have drastically improved the quality of the TTS output. Stay tuned.Īfter reading an article dedicated to AI-based content creation, I revisited Murf.ai which didn’t really impress me when I first tried it in early 2022. Human consciousness still has the advantage of intuition.īut the fast improvement of text-to-speech quality has proven that we’re not far from a synthetic emotional rendition. You can listen to his performance in the video below, which will show that, as we speak, human actors still perform at a higher level than machines, with little to no detailed instructions. I’ve picked Thomas Hardy’s poem “She Opened The Door” since in 2019 I had commissioned the recording of a series of Hardy’s poems from a professional voice talent. How does synthetic text-to-speech compare to a human actor? Amazon Polly and Google Cloud require more advanced authentication methods. I’ve successfully connected Microsoft Azure’s API to Integromat via a single authentication and was able to process a series of text prompts from a Google Sheet. You can use all these services either via the no-code consoles listed above (you’ll have to use a hack to download the MP3 for Google and Microsoft) or call the API, following the online instructions. Microsoft Azure: Neural cost: 0.5 million free characters per month, then $16M per 1 million charactersĪll providers offer the same pricing structure ( $16 per 1 million characters) but you can get 500,000 free characters at Microsoft Azure (which also gives you a free £150 allowance across all Microsoft’s Cognitive Services when you sign up). ![]() Google Cloud WaveNet voices: $16 per 1 million charactersĪmazon Polly: Neural TTS Cost: $16 per 1 million characters To compare the state-of-the-art option for all three providers (WaveNet / Neural / Neural), here’s the pricing at time of writing. You can get a full reading of “A Christmas Carol” by Charles Dickens (64 pages / 165K characters) for $2.64. What’s the price of text-to-speech voice synthesis?Ĭompared to a human reader, it’s of course very cheap. This also requires some time and fine tuning. You can also create your own custom voice, based on a voice talent’s recordings, to develop a unique rendering, powered by machine-learning. However, doing this requires time-consuming manual inputs. On all services, using the API or the console, you can add SSML tags to your texts to insert pauses and other pronunciation instructions, which can in turn improve the expressivity of the performance. Can you control the expressivity of synthetic voices? ![]() I also used AudioHijack to capture the MP3 recording. Guy has a second voice option (Newscast) but it didn’t really fit the use case. A glaring issue is that he doesn’t understand that he’s reading a poem, a feat which requires much more emotion than reciting a training manual. Guy isn’t an accomplished actor but in my opinion he performs marginally better than his silicon colleagues. Here’s the test rendered by WaveNet Voice D. The most advanced synthetic voices at Google are named WaveNet voices, powered by machine learning algorithms. You can test Google’s text-to-speech offering on As a bonus, we’ll conclude the review with a human recording. The text prompt will be a poem by Thomas Hardy: “She Opened The Door”. There will obviously be differences due to the tone of voice but I’ve tried to pick the best example for each provider. ![]() ![]() The purpose of this article is to give you my honest opinion about the way they render human voice based on the same text prompt.įor the sake of this quick experiment, I will use a male voice for all three services. Since I’m passionate about the possibilities of AI-assisted creative automation, I tested the three leading text-to-speech engines: Amazon Polly, Microsoft Azure Cognitive Services and Google Cloud. What does a synthetic voice sound like today? The original 1980s sound had become part of his public persona. Despite the advances in text-to-speech synthesis, Stephen Hawking refused to upgrade his voice. ![]()
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