الكتاب الصوتي جديد.

A common Egyptian pronunciation is:

il-kitāb is-sōti gedīd

A rough syllable breakdown:

• il-ki-tāb
• is-sō-ti
• ge-dīd

Notes:

• ج in Egyptian Arabic is usually pronounced like g in go, so جديد sounds like gedīd, not jadeed.
• The ال in الصوتي changes in pronunciation because ص is a “sun letter,” so الـ is pronounced more like is- here.

In Arabic, present-tense sentences like The audiobook is new usually do not use a separate word for is.

So:

• الكتاب الصوتي جديد = The audiobook is new

This is very normal in both Standard Arabic and Egyptian Arabic.
If you wanted past or future, then other words would appear, but in the simple present, Arabic usually leaves is/are unstated.

In Arabic, adjectives normally come after the noun they describe.

So:

• الكتاب الصوتي literally follows the pattern the book audio
• but in natural English, that becomes the audiobook or the audio book

This is the normal Arabic word order for noun + adjective.

Because الصوتي is describing الكتاب, and Arabic adjectives must match the noun in definiteness.

Here:

• الكتاب = the book
• الصوتي = the audio / sound-related

Since the noun is definite (the book), the adjective must also be definite:

• الكتاب الصوتي = the audio book / the audiobook

If you remove الـ, the meaning changes:

• كتاب صوتي = an audio book / audiobook

Because جديد is not part of the noun phrase الكتاب الصوتي. It is the predicate of the sentence: it tells you something about the audiobook.

So the sentence structure is:

• الكتاب الصوتي = the subject, the audiobook
• جديد = the description/predicate, new

In Arabic, this kind of predicate adjective is often indefinite, so:

• الكتاب الصوتي جديد = The audiobook is new

If you said الكتاب الصوتي الجديد, that would mean:

• the new audiobook

That is a different structure.

الصوتي comes from صوت (sound/voice) and means something like:

• audio
• sound-related
• aural (in a more formal sense)

So كتاب صوتي literally means audio book.

This is a very common way Arabic forms descriptive words: a noun becomes an adjective-like word meaning related to X.

It is very close to Standard Arabic in wording, but it is also understandable and usable in Egyptian Arabic.

In practice:

• In Standard Arabic, you might analyze it more formally.
• In Egyptian Arabic, people would commonly pronounce it differently, for example:
  • il-kitāb is-sōti gedīd

So the sentence works well for a learner of Egyptian, especially for vocabulary and basic sentence structure.

The sentence is a nominal sentence, which means it starts with a noun rather than a verb.

Structure:

• الكتاب الصوتي = subject noun phrase = the audiobook
• جديد = predicate adjective = new

So the pattern is:

[noun phrase] + [description]

This is one of the most basic and important Arabic sentence patterns.

Because ص is a sun letter.

When الـ comes before a sun letter, the l sound of al- is not pronounced clearly. Instead, the next consonant is emphasized.

So:

• الصوتي is written with ال
• but pronounced more like aṣ-ṣawtī in Standard Arabic
• and in Egyptian, commonly is-sōti

This happens with many words in Arabic, so it is a very useful pattern to learn.

If you want to say An audiobook is new or just use the phrase an audiobook, you would usually remove الـ from the noun phrase:

• كتاب صوتي جديد

This can mean:

• a new audiobook

But notice the difference:

• الكتاب الصوتي جديد = The audiobook is new
• الكتاب الصوتي الجديد = the new audiobook
• كتاب صوتي جديد = a new audiobook

These are similar-looking but grammatically different.

Yes. Arabic often expresses this as a noun plus adjective, so الكتاب الصوتي can correspond to:

• the audiobook
• the audio book
• literally, the sound-based book / the audio book

English may write it as one word or two words, but Arabic structure stays the same.

Yes, depending on context, an Egyptian speaker might also use other expressions, including borrowed terms or slightly different phrasing.

But الكتاب الصوتي جديد is clear and natural enough for learning purposes.

In everyday speech, people sometimes prefer:

• أوديو بوك in very casual or mixed speech
• or other descriptive phrases depending on context

Still, كتاب صوتي is a solid and useful expression to know.

Not for Egyptian Arabic.

In Egyptian Arabic, you normally do not pronounce the case endings used in formal Standard Arabic. So a learner of Egyptian can comfortably say:

il-kitāb is-sōti gedīd

without adding formal endings.

If you study Standard Arabic later, you may see formal versions with case endings in textbooks, but they are not normally used in everyday Egyptian speech.