AAC systems are extremely diverse and depend on the capabilities of the user.

AAC interventions are highly individualized, taking into account specific abilities of language comprehension, social-relational characteristics, learning strengths and weaknesses, and developmental patterns for specific types of intellectual disabilities.

For example, uncompressed songs in CD format have a data rate of 16 bits / channel x 2 channels x 44. 1 kHz ≅ 1. 4 Mbit / s, whereas AAC files on an iPod are typically compressed to 128 kbit / s, yielding a compression ratio of 0. 09, for a data-rate savings of 0. 91, or 91 %.

This is similar in many respects to how raw. AAC files are tagged ( but this is less supported nowadays, e. g. iTunes ).

As a result of their lack of language, individuals with RTT can benefit from Augmentative and Alternative Communication ( AAC ), which are communication methods used in place of speech.

Initially they are rolling out in superior sounding high-bitrate AAC format via Apple's iTunes Store ( under the iTunes Plus category ).

These files are unprotected and are encoded in the AAC format at 256 kilobits per second, twice the bitrate of standard tracks bought through the service.

These files can be used with any player that supports the AAC file format and are not locked to Apple hardware.

Neither AAC nor Dolby Digital Plus codecs are supported by most home AV equipment, which typically accept Dolby Digital or DTS, leaving owners with stereo, rather than surround sound, output.

The research results of his dissertation are the basis of MPEG-1 Layer 3 ( mp3 ), MPEG-2 Advanced Audio Coding ( AAC ) and most other modern audio compression schemes.

From 2004 until 2009, The Watchtower was released on CD in MP3 format ; digital files are now available for download in MP3 and AAC / M4B formats.

However, as the majority of current Army airfields are former RAF stations, they now precede the locality name with " Army Air Corps " ( AAC ), for example AAC Middle Wallop.

FairPlay-protected files are regular MP4 container files with an encrypted AAC audio stream.

There are eight regiments ( 5 Regular Army, 2 Territorial Army, 1 training ) of the AAC as well as five Independent Flights and two Independent Squadrons deployed in support of British Army operations across the world.

The flight's base at Dhekelia has been closed for sometime and the Flight are no longer listed on the AAC Website as an active flight.

The honours awarded to the AAC are:

The ADFC is composed of the Australian Army Cadets ( AAC ), Australian Navy Cadets ( ANC ), Australian Air Force Cadets ( AAFC ), which are funded by the Australian Government via the Department of Defence.

Along with language modeling, basic word prediction on AAC devices is often coupled with a recency model, where words that are used more frequently by the AAC user are more likely to be predicted.

Students are represented by the students ' union Associação Académica de Coimbra ( AAC ).

This evaluation will result in a recommendation of AAC systems, which often include low-technology, mid-technology and high-technology systems.

Speech-Language Pathologists ( SLPs ), often with specialized AAC training and knowledge, provide education and training to families, educational teams, and other communication partners on these tools.

The sports sections of the AAC play a significant role in Coimbra's sport life, often being the city's main representative in that area.

Compression is often via MPEG MP3 or AAC.

It is often introduced first to children or beginning AAC users because it is the easiest to understand.

AAC evaluations are often conducted by specialized teams which may include a speech-language pathologist, occupational therapist, rehabilitation engineer, physiotherapist, social worker and a physician.

Children whose disabilities require AAC often experience developmental delays in language skills such as vocabulary knowledge, length of sentences, syntax, and impaired pragmatic skills.

) to provide a thorough AAC evaluation taking into consideration all factors such as sensory, motor, kinesthetic, speech, and receptive as well as expressive language in its verbal and non-verbal forms.

They ask the STS CA set up the call, negotiate the menu, introduce the call explaining AAC and then go into the background.

It is also the biggest Portuguese students ' union belonging to an independent institution, since it represents all the students of its university, who gain automatic membership into the AAC as students of the University of Coimbra.

Radio Paradise streams are available in MP3, Ogg Vorbis, HE-AAC ( AAC +), WMA and RealAudio in various bitrates, and can be accessed through Apple's iTunes radio tuner service, the SHOUTcast Radio search feature in the Winamp player, the Shoutcast web site, and in the " Cool Streams " playlist built into the Amarok Media Player.

The role of ESC, along with the Aeronautical Systems Center ( ASC ) and the Air Armament Center ( AAC ), will be consolidated into the new Air Force Life Cycle Management Center ( LCMC ).

On October 2007, Aeroperlas become the first domestic airline in Panama to be certified into the strict regulations of the Panama's Civil Aeronautic Authority ( AAC ).

By reorganizing AAC into a Numbered Air Force, the Air Force was able to reduce its administrative manpower requirements during a period of massive Air Force strength reductions.

The ULD is a lossy audio data compression scheme that only introduces a very small amount of delay into the audio signal compared to commonly known audio coders like MP3 or AAC.

AAC accomplishes its mission through three components – the 46th Test Wing, 96th Air Base Wing, and the 308th Armament Systems Wing.

RAF Gatow was from 1970 also used by the UKs Army Air Corps, 7 Aviation Flight AAC, later renamed 7 Flight AAC being based at the station initially flying four Westland Sioux ( UK-built Bell 47 ) and later three Aérospatiale Gazelle AH 1 helicopters.

For example, resolving the password for three upper-case alpha characters would require exploring the key-space for: AAA, AAB, AAC ... ZZX, ZZY, ZZZ.

The hearing took place in June 1980 ; three of the councillors were disqualified by the AAC for having visited the American parks previously.

There are 3 performance levels in AAC agility-Starters, Advanced, and Masters.

There are 3 class levels in AAC agility-Regular, Specials, and Veterans.

It features a 16-bit TFT color screen with a resolution of 128 × 128 pixels, a VGA camera that can record video clips in H. 263 ( SubQCIF ) format at 128 × 96 pixels at 15 FPS, built-in Bluetooth wireless technology, FM radio ( when a wired headset is attached to the Pop-Port interface to act as an antenna ), and playback of 3GP video / audio at up to 30 FPS and MP3, AAC and AMR audio.

Assistive technology ( also Alternative and Augmentative Communication devices ; AAC ) can be used to overcome physical barriers to manipulating books, and to augment speech motor and language difficulties ( e. g., type, or select symbols to identify rhyming words ), and cognitive impairments ( to provide needed support required for target skill acquisition ) ( Copeland & Keef, 2007, see chapter 9 ).

An estimated 0. 05 % of children and young people require high technology AAC.