A transcrição fica pronta antes da estreia.

Because transcrição is a feminine singular noun in Portuguese, so it takes the feminine singular definite article a.

• a transcrição = the transcription
• o documento = the document

In Portuguese, nouns have grammatical gender, and articles and adjectives usually have to agree with them.

Transcrição means transcription.

It usually refers to text produced from spoken audio, such as dialogue from a movie, show, interview, or recording. In this sentence, it means the transcription will be ready before the premiere.

Ficar pronta means to become ready or to end up ready. In many contexts, Portuguese uses ficar + adjective to show a change of state.

So:

• fica pronta = becomes ready / gets ready / ends up ready
• in natural English here, we would usually translate it as is ready or will be ready

This is very common in Portuguese:

• A comida fica pronta às oito. = The food is ready at eight.
• O relatório fica pronto amanhã. = The report will be ready tomorrow.

Because pronta agrees with transcrição, which is feminine singular.

Agreement in Portuguese works like this:

• masculine singular: pronto
• feminine singular: pronta
• masculine plural: prontos
• feminine plural: prontas

Since the subject is a transcrição, the adjective must be feminine singular too:

• A transcrição fica pronta.

Fica is the present tense of ficar, third person singular.

Here, the present tense is being used to talk about something scheduled, expected, or generally true in context. Portuguese often uses the present this way, where English might prefer will be.

So depending on context:

• fica pronta can mean gets ready
• is ready
• will be ready

In this sentence, will be ready is often the most natural English translation.

Good question. Both can be possible, but they are not exactly the same.

• está pronta = is ready; it describes the state directly
• fica pronta = becomes ready / gets ready / will be ready; it focuses more on the result or completion

Compare:

• A transcrição está pronta. = The transcription is ready.
  This means it is already ready now.

• A transcrição fica pronta antes da estreia. = The transcription will be ready before the premiere.
  This suggests it reaches that ready state before the premiere.

It means before the premiere.

Breakdown:

• antes de = before
• a estreia = the premiere

When de comes before the article a, they contract:

• de + a = da

So:

• antes da estreia = before the premiere

This kind of contraction is very common in Portuguese.

Because Portuguese normally contracts the preposition de with the feminine article a.

Common contractions:

• de + o = do
• de + a = da
• de + os = dos
• de + as = das

So antes de a estreia is generally not the normal form here. Standard Portuguese uses:

• antes da estreia

Estreia means premiere, debut, or first showing/first performance, depending on context.

Examples:

• a estreia do filme = the film’s premiere
• a estreia da série = the series premiere
• a estreia do cantor = the singer’s debut

In your sentence, it most likely refers to the premiere of a movie, show, or similar production.

The structure is:

• A transcrição = subject
• fica pronta = verb + adjective
• antes da estreia = time expression

So literally it is something like:

• The transcription becomes ready before the premiere

A more natural English version would often be:

• The transcription is ready before the premiere
• The transcription will be ready before the premiere

Yes, it is natural. It sounds like something you would say when talking about when a transcription will be completed relative to an event.

Depending on context, Brazilians might also say:

• A transcrição estará pronta antes da estreia.
• A transcrição vai ficar pronta antes da estreia.

These versions make the future meaning more explicit, but fica pronta is still perfectly normal.

A rough pronunciation guide is:

ah trahn-scree-SAWN FEE-kah PRON-tah AHN-tcheez dah es-TRAY-ah

A few notes:

• transcrição has stress on the last syllable: -ção
• fica sounds like FEE-kah
• pronta has an on-type nasal sound
• estreia is usually pronounced roughly like es-TRAY-ah
• in many Brazilian accents, antes de or antes da can sound like AHN-tcheez da

Sometimes, yes, depending on context, but be careful.

• fica pronta emphasizes becoming ready / being completed
• gets done emphasizes being finished

In many situations they overlap, but they are not always identical.

For this sentence, possible translations include:

• The transcription is ready before the premiere.
• The transcription will be ready before the premiere.
• The transcription gets done before the premiere.

The last one is understandable, but it sounds less natural in English than the first two.