¿Qué es AAC?

Descubre qué es AAC, su funcionamiento, calidad y compatibilidad. Aprende por qué Apple y YouTube lo utilizan y cómo se compara con MP3. Herramienta gratuita en linea, sin subir archivos ni registrarse. Funciona en el navegador, instantanea y segura. Compatible con muchos formatos.

Herramienta gratuita de conversión de archivos en línea. Funciona en Chrome, Firefox, Safari, Edge, Opera y otros navegadores modernos en Windows, macOS, Linux, Android e iOS. No requiere instalación de software ni registro. Todas las conversiones se ejecutan directamente en tu navegador, por lo que tus archivos nunca salen de tu dispositivo. Gratis y sin necesidad de cuenta.

AAC

¿Qué es AAC?

AAC (Codificación de Audio Avanzada) es un formato de compresión de audio con pérdida diseñado como el sucesor de MP3, ofreciendo mejor calidad de sonido con el mismo tamaño de archivo o más pequeño y utilizado como el formato de audio estándar por Apple, YouTube y la mayoría de los servicios de streaming.

Última actualización:

Year1997
TypeCon pérdida
UsageStreaming y Apple

What is it?

AAC (Codificación de Audio Avanzada) es un formato de compresión de audio con pérdida diseñado como el sucesor de MP3, ofreciendo mejor calidad de sonido con el mismo tamaño de archivo o más pequeño y utilizado como el formato de audio estándar por Apple, YouTube y la mayoría de los servicios de streaming.

Entender AAC te ayuda a elegir el formato adecuado para tus necesidades y flujo de trabajo específicos.

Technical Specifications

DeveloperISO / IEC (MPEG)
File Extension.aac /.m4a
CompressionLossy
Bit DepthUp to 24-bit
Max Channels48 channels
Sample RateUp to 96 kHz
DRM SupportYes (FairPlay)
MIME Typeaudio/aac

Pros & Cons

Advantages

Mejor que MP3

AAC achieves equivalent or better audio quality to MP3 at lower bitrates, resulting in smaller files.

Streaming Universal

The default audio format for YouTube, iTunes, Apple Music, and most streaming platforms.

Amplio Soporte de Hardware

Supported natively by all Apple devices, Android, most car audio systems, and game consoles.

Alta Cantidad de Canales

Supports up to 48 audio channels for advanced surround sound applications.

Disadvantages

Compresión con Pérdida

Like MP3, AAC permanently removes audio data that cannot be recovered - not suitable for archiving.

Variantes Propietarias

Apple's HE-AAC and AAC-LC have different compatibility profiles - not all decoders handle all variants.

No Universal como MP3

Some older or specialized audio devices only support MP3, not AAC.

Licencias de Patentes

AAC is covered by patents requiring licensing fees for encoders, though decoders are generally free.

When to Use It

Aquí están los escenarios más comunes donde AAC es la elección correcta:

Streaming de Música

Apple Music, YouTube, and most streaming platforms deliver audio in AAC format.

iTunes y Dispositivos Apple

The native audio format for all Apple devices, purchased music from iTunes Store, and podcasts.

Pistas de Audio de Video

AAC is the standard audio codec in MP4 video files for movies, TV shows, and online video.

Distribución de Podcasts

Most podcasts are distributed as AAC or MP3 for wide device compatibility.

How to open a AAC file

AAC, or Advanced Audio Codec, is a popular audio format used for high-quality sound compression. Software for working with AAC files can be categorized into professional tools, free/open-source applications, browser-based solutions, and built-in operating system utilities. Professional tools are best suited for audio engineers and musicians, while free and open-source options cater to casual users and hobbyists. Browser-based solutions offer convenience for quick tasks, and built-in utilities provide basic functionality for everyday users.

When choosing software for AAC, important decision factors include feature fidelity, whether the focus is on editing or simply viewing, and the cost model. Users should consider platform compatibility, as some applications are exclusive to certain operating systems. Additionally, export needs and the potential necessity of converting AAC files to other formats can influence the choice of software, especially for those needing compatibility with various devices.

Audacity 3.2.4

Windows, macOS, LinuxFree (GPL)

Audacity is a free, open-source audio editing software that supports AAC file manipulation through plugins. It allows users to view and edit AAC files with a high degree of fidelity, making it suitable for audio editing tasks. The software excels in providing a comprehensive set of editing tools for audio professionals and enthusiasts alike.

Funciones clave
  • Multi-track editing and mixing capabilities
  • Support for VST and LADSPA plugins
  • Audio effects like equalization and compression
  • Batch processing for multiple files
  • Spectrogram view for detailed analysis
Fortalezas
  • Comprehensive editing features for AAC files
  • Free and open-source with no limitations
  • Cross-platform support enhances accessibility
Limitaciones
  • Requires plugins for native AAC support
  • User interface can be overwhelming for beginners

Exporta a: WAV, MP3, OGG, FLAC, AIFF

Ideal para: Choose Audacity for in-depth AAC editing and analysis, especially if you prefer a free solution.

Visitar Audacity →

iTunes 12.12.9

Windows, macOSFree

iTunes is a media player and library application that supports AAC files natively, allowing users to play, organize, and convert audio files. It offers a user-friendly interface for managing AAC music collections and provides basic editing features like metadata editing. iTunes is ideal for users deeply integrated into the Apple ecosystem.

Funciones clave
  • Organize music library with playlists and tags
  • Convert audio formats including AAC
  • Sync with iOS devices seamlessly
  • Built-in equalizer for sound customization
  • Access to Apple Music streaming service
Fortalezas
  • Seamless integration with Apple devices
  • User-friendly interface for casual users
  • Robust library management features
Limitaciones
  • Limited editing capabilities compared to dedicated software
  • Can be resource-intensive on older systems

Exporta a: MP3, WAV, AIFF, AAC

Ideal para: iTunes is perfect for users who want a straightforward way to manage and play AAC files within the Apple ecosystem.

Visitar iTunes →

VLC Media Player 3.0.18

Windows, macOS, Linux, Android, iOSFree (GPL)

VLC Media Player is a versatile, open-source media player that supports a wide range of audio formats, including AAC. It allows users to play AAC files without the need for additional codecs and offers basic editing features like trimming and converting. VLC is suitable for users looking for a reliable and lightweight media player.

Funciones clave
  • Playback of AAC and other audio formats
  • Basic audio editing and trimming tools
  • Convert files to various audio formats
  • Support for streaming and network protocols
  • Customizable interface with skins
Fortalezas
  • Extensive format support beyond AAC
  • Lightweight and fast performance
  • No ads or spyware, completely free
Limitaciones
  • Limited advanced editing features
  • User interface may seem basic to some

Exporta a: MP3, WAV, OGG, FLAC, AAC

Ideal para: VLC Media Player is ideal for users seeking a free, all-in-one solution for playing and converting AAC files.

Visitar VLC Media Player →

Adobe Audition 2023

Windows, macOSSubscription ($20.99/mo)

Adobe Audition is a professional audio editing software that offers extensive features for working with AAC files. It provides high-fidelity editing capabilities, allowing users to manipulate audio tracks with precision. This software is tailored for audio professionals who require advanced tools for mixing and mastering.

Funciones clave
  • Multi-track editing with advanced effects
  • Spectral frequency display for detailed editing
  • Support for high-resolution audio formats
  • Integrated sound effects library
  • Robust noise reduction and restoration tools
Fortalezas
  • Professional-grade editing and mixing capabilities
  • Comprehensive audio restoration features
  • Seamless integration with other Adobe products
Limitaciones
  • Subscription model can be costly over time
  • Steeper learning curve for beginners

Exporta a: WAV, MP3, OGG, FLAC, AAC

Ideal para: Adobe Audition is best for audio professionals needing powerful editing tools and high fidelity for AAC files.

Visitar Adobe Audition →

Convierte Archivos AAC en Línea - Gratis

Comprime, convierte u optimiza tus archivos AAC al instante. Sin software para instalar, sin registro requerido.

Comienza a Convertir Ahora

Referencias

  1. AAC audio coding - MDN Web Docs
  2. Advanced Audio Coding (MPEG-4) - Library of Congress
  3. Advanced Audio Coding (MPEG-2) - Library of Congress
  4. Advanced Audio Coding - Wikipedia