Frequently asked questions about live captioning

It is the display of text on screen as the speaker talks, with a delay of 1 to 3 seconds. It is also called real-time closed caption or CART (Communication Access Realtime Translation). It can be in the original language, for accessibility, or translated, for multilingual audiences.

In interpretation, the participant hears the translation as audio through a receiver. In captioning, they read text on screen. The services are complementary. In events with high cognitive load interpretation is usually superior; for accessibility and when reading is more convenient, captioning is the right choice.

Yes. lingo configures both in parallel: the interpreter, human or AI, delivers audio on the UHF receiver, and the captioning system shows text on screen at the same time. It is widely used in large congresses with mixed audiences.

Captions are shown on the event's main screen through caption software integrated with the venue's projection system, or on individual tablets over a local network. lingo connects to the speaker's microphone feed through a professional audio interface.

Normally 1 to 3 seconds. It is a short delay that lets you follow the speech without losing context. With translated content the delay may be a little longer, because translation depends on the context of the sentence.

Yes. In multilingual events it is common to caption in English while the speaker talks in Portuguese, or the reverse. You can also show more than one language, on different screens or channels, depending on the audience.

Yes. On Zoom, for example, native closed caption (the CC button) accepts third-party integrations through an API. In Teams and Meet meetings, captions appear in the app itself. lingo sets up the integration and monitors quality in real time.

AI combines speech recognition (ASR) and machine translation, with 90% to 97% accuracy in PT/EN with clean audio, and costs 30% to 50% less. A human captioner exceeds 99% accuracy and is the standard for public events, live broadcasts and archived content.

For internal events, webinars and training, where small deviations are acceptable and budget is limited. With clean audio and a loaded glossary, the result is usually good enough to follow the content.

For public events, live broadcasts, content that will be archived and situations where spelling or terminology errors can cause harm or embarrassment. It is also the best option for meeting formal accessibility requirements.

It works with common accents, but accuracy drops with very strong accents, fast speech and poor audio. Microphone and room quality carry great weight. In critical cases, a human captioner is safer.

It improves a lot with the glossary loaded before the event. Send acronyms, product names, executive names and sector terms, plus slides if you have them. Without that material, uncommon terms tend to be transcribed approximately.

Yes. In some events the AI generates live captions and a human reviewer follows to correct critical points, especially in the final file. lingo assesses the format according to the goal and budget.

Audio quality, microphone close to the mouth, speech pace, room noise, accent and use of technical terms. Clean audio coming straight from the mixing desk matters more than any later adjustment. lingo guides speakers and the AV team to improve these conditions.

Yes. Zoom offers native closed caption with the CC button and accepts third-party integration through an API. lingo configures the integration in advance, runs a test and monitors quality throughout the event.

Teams Premium has built-in automatic captions with multi-language support. When the event needs higher accuracy or human captioning, lingo sets up a complementary solution and coordinates with the meeting organizer.

Google Meet Enterprise offers automatic captions in English, Spanish and Portuguese. For other languages, or when more accuracy is needed, lingo can set up a complementary solution and monitor the meeting.

On a screen or monitor placed in a visible spot, on a second screen for translation, or on tablets distributed in the audience over a local network. Font size, contrast and number of lines are adjusted for easy reading at a distance.

For remote events, yes. For in-person events it depends on the operating mode. If processing is in the cloud, we recommend a stable, dedicated connection. At venues with unstable internet, lingo evaluates alternatives in advance.

Yes. Captions can be integrated into the event's video file, which helps post-event production and content distribution. Agree on this use beforehand so lingo can prepare the right format.

The Brazilian Inclusion Law (Lei 13.146/2015) requires communication accessibility at events open to the public with more than 100 participants. Live captioning is one way to comply, together with Libras and audio description, depending on context. Confirm your event's requirements with your legal team.

For closed events, not open to the general public, there is no specific legal requirement. Even so, lingo recommends captioning as a good ESG governance practice, especially in companies with formal diversity and inclusion policies.

No. Libras and captioning serve different audiences. Many deaf people have Libras as their first language and prefer Libras interpretation, while people with acquired hearing loss usually benefit more from captions. At open events, the ideal is to offer both.

People in noisy environments, participants who are not native speakers of the language, those who prefer reading to listening and anyone watching recorded content without sound. Captions increase comprehension and retention for everyone.

Accessible events show care for diversity and inclusion and strengthen ESG reports. lingo helps with the technical setup, but accessibility policy decisions belong to the organizing company.

Yes. lingo delivers the caption file in .srt, .vtt or .txt format, indexed by timestamp. It is useful for post-event video production, minutes and consulting the content.

AI captioning costs 30% to 50% less than human captioning, which serves as the reference. The final price depends on duration, languages, number of screens, platform and mode (AI or human). Request a quote in 60 seconds.

The sooner the better, especially if the event requires human captioning or an extensive glossary. For simple online events, setup is usually quick. Provide date, languages and platform and lingo confirms the feasible lead time.

Agenda, slides, speaker list, glossary of terms and acronyms, and the type of event. If there are videos or pre-recorded speeches, send the scripts too. The more material, the better the accuracy, both with AI and with a human captioner.

Yes. AI does not tire in events lasting several hours. For human captioning in long events, the team is sized for rotation so that accuracy holds throughout the day.

Use the website assistant for a quote in 60 seconds or talk to Alex on WhatsApp. Provide date, languages, event format and platform, and lingo recommends whether AI, a human captioner or a combination with interpretation suits you best.

lingo focuses on live events. For recorded videos, lingo can use the .srt file generated at the event. For other materials, talk to the team so we can assess the best way to help.

Congresses and conventions, shareholder meetings, webinars, corporate training, product launches, public events and live broadcasts. In all of them captions widen reach, help people in noisy settings and leave a useful text record after the event.

Ask them to speak at a steady pace, keep the microphone close to the mouth, avoid overlapping voices and spell out uncommon names and acronyms. Sending slides in advance also helps. These steps improve results for both AI captioning and human captioners.

Captions should sit where every part of the audience can see them, with large type, good contrast and at most two to three lines at a time. In large rooms a second monitor near the stage helps. The technical team adjusts these parameters during pre-event tests.

In online events, yes: participants turn closed caption on or off in their own app. In person, when captions are on the main screen, everyone sees them; to give individual choice, tablets or participants' phones with an access link can be used.

AI interpretation and captioning use the same speaker audio, which simplifies operation. Participants choose to hear the translation, read the captions, or both. A lingo technician coordinates the channels and monitors the quality of everything during the event.

At in-person events, you need only a screen or monitor, audio capture from the mixing desk and the captioning computer, which lingo supplies and operates. For online events, setup is done directly on the platform. The audience needs no individual equipment.

Yes. In small meetings, online captioning is often enough and keeps costs low. Choose the mode that fits the stakes of the conversation and tell lingo the languages and platform so the setup can be prepared quickly.

Yes. For in-person events, a lingo technician sets up the captioning system, checks the audio feed, monitors accuracy and adjusts the display throughout the event, so organizers do not need to manage anything on the day.