aac wikipedia - EAS

12,300,000 kết quả
  1. Advanced Audio Coding
    • Theo 8 nguồn
    From Wikipedia, the free encyclopedia Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieved higher sound quality than 20th century MP3 encoders at the same bit rate.
    modifier - modifier le code - modifier Wikidata Advanced Audio Coding (AAC, litt. « encodage audio avancé ») est un algorithme de compression audio avec perte de données ayant pour but d’offrir un meilleur rapport qualité sur débit binaire que le format plus ancien MPEG-1/2 Audio Layer 3, plus connu sous le nom de MP3.
    Advanced Audio Coding (AAC) ist ein von der Moving Picture Experts Group (MPEG) entwickeltes, verlustbehaftetes Audiodatenkompressionsverfahren, das als Weiterentwicklung von MPEG-2 Multichannel im MPEG-2 -Standard spezifiziert wurde.
    Advanced Audio Coding (略称: AAC 、先進的音響符号化)は、不可逆のデジタル 音声圧縮 を行う音声符号化規格のひとつである。 1997年 に ISO/IEC JTC 1 の Moving Picture Experts Group (MPEG) において規格化された。
    Origem: Wikipédia, a enciclopédia livre. Advanced Audio Coding (AAC) é um esquema de codificação para compressão com perda de dados de som digital. Projetado para ser o sucessor do formato MP3,
    AAC (del inglés Advanced Audio Coding) es un formato informático de señal digital audio basado en un algoritmo de compresión con pérdida, un proceso por el que se eliminan algunos de los datos de audio para poder obtener el mayor grado de compresión posible, resultando en un archivo de salida que suena lo más parecido posible al original.
    Advanced Audio Coding (AAC) is een coderingsstandaard voor lossy compressie van digitale audio. AAC is ontworpen als opvolger van MP3 en behaalt algemeen gezien een betere geluidskwaliteit ten opzichte van MP3 bij gelijke bitsnelheden.
    Il formato Advanced Audio Coding (AAC) è un formato di compressione audio lossy creato dal consorzio MPEG e incluso ufficialmente negli standard MPEG-2 ed MPEG-4. Progettato per essere il successore del formato MP3, AAC in genere può fornire una migliore qualità audio a parità di fattore di compressione rispetto al predecessore.
  2. Mọi người cũng hỏi
    What does AAC mean?
    Open format? Free format? Advanced Audio Coding ( AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieved higher sound quality than 20th century MP3 encoders at the same bit rate.
    en.wikipedia.org/wiki/Advanced_Audio_Coding
    What is AAC (Advanced Audio Coding)?
    Advanced Audio Coding ( AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at the same bit rate.
    en.wikipedia.org/wiki/Advanced_Audio_Coding
    What was the original version of AAC?
    In 1997, AAC was first introduced as MPEG-2 Part 7, formally known as ISO / IEC 13818-7:1997. This part of MPEG-2 was a new part, since MPEG-2 already included MPEG-2 Part 3, formally known as ISO/IEC 13818-3: MPEG-2 BC (Backwards Compatible).
    en.wikipedia.org/wiki/Advanced_Audio_Coding
    What is HE-AAC and AAC+?
    AAC has been standardized by ISO and IEC, as part of the MPEG-2 and MPEG-4 specifications. Part of AAC, HE-AAC ("AAC+"), is part of MPEG-4 Audio and also adopted into digital radio standards DAB+ and Digital Radio Mondiale, as well as mobile television standards DVB-H and ATSC-M/H .
    en.wikipedia.org/wiki/Advanced_Audio_Coding
  3. Advanced Audio Coding - Wikipedia

    https://en.wikipedia.org/wiki/Advanced_Audio_Coding

    In December 2003, Japan started broadcasting terrestrial DTV ISDB-T standard that implements MPEG-2 video and MPEG-2 AAC audio. In April 2006 Japan started broadcasting the ISDB-T mobile sub-program, called 1seg, that was the first implementation of video H.264/AVC with audio HE-AAC in Terrestrial HDTV broadcasting service on the planet.
    In December 2007, Brazil started broadcasting terrestrial DTV standard called International ISDB …

    Wikipedia · Nội dung trong CC-BY-SA giấy phép
  4. American Athletic Conference - Wikipedia

    https://en.wikipedia.org/wiki/American_Athletic_Conference

    The American Athletic Conference (The American or AAC) is an American collegiate athletic conference, featuring 11 member universities and five affiliate member universities that compete in the National Collegiate Athletic Association's (NCAA) Division I, with its football teams competing in the Football Bowl Subdivision(FBS). Member universities represent a range of private and p…

    Wikipedia · Nội dung trong CC-BY-SA giấy phép
  5. Mã hóa âm thanh tiên tiến – Wikipedia tiếng Việt

    https://vi.wikipedia.org/wiki/Mã_hóa_âm_thanh_tiên_tiến
    • Đây là một vài profile của MPEG-4AAC tiêu chuẩn. 1. Low Complexity (LC) nghĩa là “ít phức tạp”. Ở mức độ Bitrate trung bình đến cao, được sử dụng trong hệ thống mua bán nhạc trực tuyến của Apple và RealNetWorkshoặc được cài sẵn trong phần cứng. 2. High Efficiency (HE) nghĩa là “hiệu quả cao”. HE-AAC cũng được hiểu theo cách khác là AACPlus, AAC+ hay AAC SBR(Spectral Ban…
    Xem thêm trên vi.wikipedia.org
    • Thời gian đọc ước tính: 4 phút
    • AAC – Wikipedia tiếng Việt

      https://vi.wikipedia.org/wiki/AAC

      AAC có thể là viết tắt của. Mã hóa âm thanh tiên tiến Advanced Audio Coding. Bê tông khí chưng áp Autoclaved Aerated Concrete. Trang định hướng này liệt kê những bài viết liên quan đến tiêu đề AAC. Nếu bạn đến đây từ một liên kết trong một bài, bạn có thể muốn thay đổi ...

    • Advanced Audio Coding – Wikipedia

      https://de.wikipedia.org/wiki/Advanced_Audio_Coding
      Image
      AAC basiert nicht wie MPEG Layer 3 (MP3) auf dem Filterbank-Design von MPEG Layer 2, sondern ist eine Neuentwicklung und benutzt wie Dolby Digital und Vorbis allein die MDCTals Basistransformation. Bei geringerer Komplexität als MP3 sind bei gleicher Datenrate bessere Qualitäten erreichbar. Mehrkanal-Kodierung wird di…
      Xem thêm trên de.wikipedia.org
      • Entwickelt von: MPEG
      • Erstveröffentlichung: 1997
      • Dateiendung: .aac, .3gp, .mp4, .m4a, .m4b, .mpg, .mpeg
      • MIME-Type: audio/aac, audio/aacp, audio/mp4
    • Advanced Audio Coding — Wikipédia

      https://fr.wikipedia.org/wiki/Advanced_Audio_Coding
      • Le AAC est conçu, pour remplacer le MP3, en 1997 par l'institut Fraunhofer-Institut für Integrierte Schaltungen en collaboration avec AT&T, Sony et Dolby[2]. En qualité d'audition, la comparaison avec son homologue le MP3 crée la controverse car elle est subjective et dépend du matériel à comparer (genre musical). La presse indique qu'un fichier AAC en 128 kb/s est équivalent à un fi…
      Xem thêm trên fr.wikipedia.org
    • Advanced Audio Coding - Wikipedia

      https://it.wikipedia.org/wiki/Advanced_Audio_Coding
      • L'AAC supporta 48 canali audio con campionamento fino a 96 kHz in uno stream, più 16 canali per gli effetti in bassa frequenza (LFE, limitati a 120 Hz) e commento audio. L'AAC usa una codifica percettiva, per la compressione del segnale audio utilizza il modello psicoacustico e tecniche di codifica a bitrate costante (CBR) o variabile (VBR).
      Xem thêm trên it.wikipedia.org
      • 1ª pubblicazione: 1997
      • Xuất bản: 04/09/2004
      • Thời gian đọc ước tính: 3 phút
    • Advanced Audio Coding - Wikipedia, la enciclopedia libre

      https://es.wikipedia.org/wiki/Advanced_Audio_Coding
      1. El AAC utiliza una frecuencia de bitsvariable (VBR), un método de codificación que adapta el número de bits utilizados por segundo para codificar datos de audio, en función de la complejidad de la...
      2. AAC es un algoritmo de codificación de banda ancha de audio que tiene un rendimiento superior al del MP3, que produce una mejor calidad en archivos pequeños y requiere menos r…
      1. El AAC utiliza una frecuencia de bitsvariable (VBR), un método de codificación que adapta el número de bits utilizados por segundo para codificar datos de audio, en función de la complejidad de la...
      2. AAC es un algoritmo de codificación de banda ancha de audio que tiene un rendimiento superior al del MP3, que produce una mejor calidad en archivos pequeños y requiere menos recursos del sistema pa...
      3. Este códec está orientado a usos de banda ancha y se basa en la eliminación de redundancias de la señal acústica, así como en compresión mediante la transformada de coseno discreta modificada (MDCT...
      4. No compatible con MPEG-1.
      • Estándar(es): ISO/IEC 13818-7:2003, ISO/IEC 14496-3
      • Tipo de formato: compresión con pérdida
      • Extensión de archivo: .m4a, .m4b, .m4p, .m4v, .m4r, .3gp, .mp4, .aac
      • Tipo de MIME: audio/aac, audio/aacp
    • Advanced Audio Coding — Википедия

      https://ru.wikipedia.org/wiki/Advanced_Audio_Coding

      AAC (Advanced Audio Coding) изначально создавался как преемник MP3 с улучшенным качеством кодирования. Формат AAC, официально известный как ISO / IEC 13818-7, вышел в свет в 1997 году как новая, седьмая часть ...

      • Thời gian đọc ước tính: 3 phút
      • Puhetta tukeva ja korvaava kommunikaatio – Wikipedia

        https://fi.wikipedia.org/wiki/Puhetta_tukeva_ja_korvaava_kommunikaatio

        Puhetta tukeva ja korvaava kommunikaatio (engl. Augmentative and Alternative Communication, lyh. AAC) tarkoittaa jotakin erityistä viestintämenetelmää, jota henkilö käyttää vamman tai neurologisen poikkeavuuden takia puheen sijaan tai puheen rinnalla.. AAC on tavallisimmin viittomien tai graafiset merkkijärjestelmän (kuva- ja kirjoituskommunikointi) käyttöä.



      Results by Google, Bing, Duck, Youtube, HotaVN