The Wikipedia translator -- very useful for technical translations. Harnesses the vast amount of cross-lingual information on Wikipedia and Wiktionary, and present it in a neat, time-saving way. Simple user interface. Built for translators, by a translator, but is a generic tool for anyone who wonders what a word or phrase means, which language it is and what it is in other languages. All Wikipedia languages (currently 292).
For an alternative to carrying several dictionaries in various languages, the Brookstone Passport is an excellent choice and provides more than 8,000 useful phrases. The device cross translates 12 international languages: English, French, German, Spanish, Italian, Turkish, Dutch, Russian, Portuguese, Japanese, Mandarin Chinese and Swedish. Measuring 5.4 x 4.8 x 4 inches, the portable translator has eight conversational categories to choose from and it “speaks” aloud and displays the phrase on the screen. Another handy feature is that it allows you to save up to 50 favorite phrases. It also comes with a built-in personal phone book to help stay organized and an auto-shut off button with password access. 
The next question you want to ask yourself is whether you need an electronic translator that recognizes speech. Thanks to the growing development in technology it is now possible to speak directly into your electronic translator and receive an automated translation in the other language of choice. Sounds incredible? Well, it is. Say “good afternoon” and you’ll hear "konnichiwa" back in Japanese. It’s important to note that speech recognition is quite a new technology and it still requires an Internet connection for accurate translations.
EN-15038:2006 certification: This certification is a specific European standard for translation services and is designed to provide translation service providers with a detailed set of procedures and requirements that are meant to meet the needs of the market. A translation done by a company with EN-15038:2006 certification is read by a reviewer other than the translator before it can be finalized. Translators who work for a certified translation service must meet specific requirements, such as achieving advanced translation certification, an equivalent qualification in another area of specialization in addition two years or more of documented experience translating and/or a minimum of five years’ experience of professional translating. 

Language Scientific was founded in 1999 by a group of international scientists and engineers. The company was born out of the group’s frustration with the inaccurate technical and scientific translations they discovered while working together on a nuclear non-proliferation project for the US Department of Energy. Today, Language Scientific has grown to include over 5,000 highly specialized translators. https://ignitevisibility.com/how-to-easily-translate-youtube-videos-in-new-languages/
The palm-sized ECTACO Partner 900 is ideal for those interested in learning Spanish. It instantly converts voice text by repeating it aloud or speaking it in Spanish or English, and also has a roster of other features to help you learn the language. Take a photo of text (such as a restaurant menu) and it instantly converts it to English (an Internet connection is required for this part of the program). There’s also a talking picture dictionary and phrasebook, as well as a full language-learning program with linguistic crosswords and pronunciation assistance. The translator measures 6 x 3.5 x 0.7 inches and weighs 9.8 ounces. https://wiki.ezvid.com/best-voice-translators
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