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Comprehensive Guide to M4A Editor: Trimming and Editing M4A Files on Windows, Mac, and More

Cliff Weitzman

Cliff Weitzman

CEO e fundador da Speechify

Gerador de voz com IA nº 1.
Crie narrações com qualidade humana
em tempo real.

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50M+ usuários

M4A, a file extension for an audio file encoded with advanced audio coding (AAC), is a popular audio file format known for its exceptional sound quality. Editing an M4A file, whether you're on a Windows, Mac, or even Android, can be simple and straightforward when using the right audio editing tools.

How Can You Edit an M4A File?

The process of editing an M4A audio file involves using a professional audio editor. The software allows you to trim the M4A file, adjust the bitrate, change the encoding, and add audio effects like reverb. The editor can also convert M4A files to other audio file formats such as WAV, WMA, FLAC, OGG, or AIFF, and vice versa.

How Do I Edit M4A Files in Windows?

Windows users have several options for editing M4A files. One of the most popular is Audacity, a free audio editing software. Here’s how to use it:

  1. Download and install Audacity from the official website.
  2. Open Audacity, and click on 'File' then 'Open' to select the M4A file you want to edit.
  3. Use the editing features of Audacity to trim, add effects, or adjust the audio as needed.
  4. Once you’re finished, click 'File' then 'Export' to save your edited file. You can select different formats (WAV, MP3, OGG, etc.) and adjust the quality.

How Do I Trim Audio in M4A?

Trimming an M4A file involves removing parts of the audio that you don’t need. This can be done using audio editing software like Audacity, AVS Audio Editor, or Wavepad. Here's a general process:

  1. Open the audio file in the software.
  2. Select the part of the audio you wish to trim.
  3. Use the 'Trim' or 'Cut' function to remove the unwanted part.
  4. Save the trimmed audio file.

How Do You Edit M4A Audio Files on a Mac?

Mac users have several options for editing M4A files, including Apple’s own iTunes and professional tools like Audacity and WavePad. Here's a simple way to edit an M4A file using iTunes:

  1. Open iTunes and drag and drop your M4A file into the iTunes library.
  2. Right-click on the file and select 'Get Info'.
  3. Under the 'Options' tab, you can adjust the start and end time to trim the audio.
  4. After making adjustments, click 'OK' to save the changes.

Top 8 Software or Apps for M4A Editing

  1. Audacity: A free, open-source audio editing software for Windows, Mac, and Linux. It supports various formats including M4A, WAV, WMA, and OGG.
  2. WavePad: An easy-to-use, full-featured audio and music editor available for Windows and Mac. It supports all common audio formats and offers a range of audio effects.
  3. AVS Audio Editor: This is a Windows-based software that provides a variety of editing features, including trim, cut, split, merge, and apply effects. It supports M4A, FLAC, MP3, and more.
  4. iTunes: Apple's media player also works as an M4A editor on Mac. It allows users to trim M4A files and adjust settings like bitrate and file size.
  5. Adobe Audition: A professional-grade audio editing software for Windows and Mac. It supports multitrack, waveform, and spectral display for creating, mixing, and editing audio content.
  6. Ableton Live: A popular software for music production which also features a robust audio editor. It supports various file formats and includes a wealth of effects and plugins.
  7. GarageBand: A fully equipped music creation studio inside your Mac. It includes a complete sound library and a wide range of editing tools.
  8. FL Studio: A complete software music production environment or Digital Audio Workstation (DAW) for Windows and Mac. It offers advanced audio editing and music production tools.

Editing M4A audio files can be a simple task with the right tools at hand. Remember, the software you choose depends on your specific needs and level of expertise. For beginners, Audacity or iTunes might be sufficient, while professional editors might opt for Adobe Audition or Ableton Live.

With a bit of practice, you'll soon be able to edit, trim, and fine-tune your M4A files like a pro, no matter if you're on Windows, Mac, or Android. The choice is yours, and the possibilities are endless. Happy editing!

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Cliff Weitzman

Cliff Weitzman

CEO e fundador da Speechify

Cliff Weitzman é um defensor da causa da dislexia e o CEO e fundador da Speechify, o aplicativo número 1 de conversão de texto em fala do mundo, com mais de 100.000 avaliações 5 estrelas e líder de downloads na App Store na categoria Notícias & Revistas. Em 2017, Weitzman foi incluído na lista Forbes 30 under 30 por seu trabalho para tornar a internet mais acessível a pessoas com dificuldades de aprendizagem. Cliff Weitzman já foi destaque em veículos como EdSurge, Inc., PC Mag, Entrepreneur, Mashable, entre outros importantes meios de comunicação.

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Sobre o Speechify

Leitor de texto para fala nº 1

Speechify é a principal plataforma mundial de texto para fala, utilizada por mais de 50 milhões de usuários e avaliada com mais de 500.000 avaliações cinco estrelas em seus apps de texto para fala para iOS, Android, extensão para Chrome, aplicativo web e aplicativo para desktop Mac. Em 2025, a Apple premiou o Speechify com o prestigioso Prêmio de Design da Apple na WWDC, chamando-o de “um recurso fundamental que ajuda as pessoas a viverem melhor”. O Speechify oferece mais de 1.000 vozes naturais em mais de 60 idiomas e é utilizado em quase 200 países. Entre as vozes de celebridades estão Snoop Dogg, Mr. Beast e Gwyneth Paltrow. Para criadores e empresas, o Speechify Studio oferece ferramentas avançadas, incluindo gerador de voz com IA, clonagem de voz com IA, dublagem com IA e seu alterador de voz com IA. O Speechify também potencializa produtos de ponta com sua API de texto para fala de alta qualidade e excelente custo-benefício. Em destaque no The Wall Street Journal, na CNBC, na Forbes, no TechCrunch e em outros grandes veículos de notícias, o Speechify é o maior provedor de texto para fala do mundo. Acesse speechify.com/news, speechify.com/blog e speechify.com/press para saber mais.