What content strategy and technology will leading brands use in 2025?

The state of digital content

Marketing technology

How to Read WAV File: Open and Convert It

by Casey Schmidt  |  October 3, 2019

7 min. read
A screenshot of an audio adjustment on a computer.

The WAV audio file is a great way for audio purists and musical artists to easily share work without sacrificing sound quality. Here’s all the things you need to know about the WAV.

What is a WAV audio file format?

The WAV is an audio file format that stores WAVeform data and uses the file extension .wav or .wave. What makes the WAV different from other audio formats is it’s uncompressed – making it much larger than something like an mp3. It’s a raw audio file capable of saving recordings using different bitrates.

Recognizing and understanding file extensions is crucial to avoid confusion between similar formats and to ensure compatibility with various programs.

Compared to other file formats, WAV files are often preferred for their high quality and compatibility with professional audio editing software, although they may not be as universally supported as compressed formats like mp3.

WAV File Structure and Metadata

A WAV file is a type of audio file that stores waveform data in a structured format. The file structure of a WAV file consists of a header, followed by the actual audio data. The header is crucial as it contains metadata about the audio data, such as the sample rate, bit depth, and number of audio channels.

The WAV file format is known for being a lossless format, meaning it does not compress the audio data. This results in larger file sizes compared to compressed formats like MP3, but it also ensures that the audio quality is preserved in its original form.

The metadata in a WAV file includes essential information such as:

  • Sample rate: This is the number of samples per second, typically 44.1 kHz or 48 kHz, which determines the audio resolution.
  • Bit depth: This refers to the number of bits used to represent each audio sample, commonly 16 bits or 24 bits, affecting the dynamic range of the audio.
  • Number of channels: This indicates the number of audio channels, usually 1 (mono) or 2 (stereo), which defines the spatial characteristics of the sound.
  • Audio format: The format of the audio data, such as PCM (Pulse Code Modulation) or ADPCM (Adaptive Differential Pulse Code Modulation), which specifies how the audio samples are encoded.

Understanding the structure and metadata of WAV files is essential for anyone working with high-quality audio data, as it ensures the integrity and fidelity of the audio are maintained.

How to open a WAV file

There are plenty of third-party software capable of opening a WAV file. However, most users won’t need to seek it out. This is because Windows and Mac systems open the WAV using pre-installed programs. Some software, like FFmpeg, can handle both audio and video files, providing users with versatile options for file conversion and playback.

The WAV audio file icon.
Windows and Mac are both capable of opening WAV files.

For Windows, if you double-click a WAV file, it will open using Windows Media Player. For Mac, if you double-click a WAV, it will open using iTunes or Quicktime. If you’re on a system without these programs installed, then consider third-party software. We recommend Audacity for its extensive features and ease-of-use.

Limitations of WAV Files

While WAV files are a popular choice for audio editing and production due to their high quality, they do come with some limitations. One of the most significant drawbacks is their large file size. Because WAV files are uncompressed, they can be quite large, making them cumbersome to store and transfer, especially when dealing with multiple files or lengthy recordings.

Another limitation is compatibility. Although WAV files are widely supported on many systems, they may not be compatible with all devices or software. For instance, some mobile devices might struggle to play WAV files, necessitating conversion to more universally supported formats.

Additionally, WAV files have limited editing capabilities compared to other audio formats like MP3 or AAC. While they are excellent for preserving original audio quality, they are not as flexible for editing purposes, which can be a drawback for users who need to make extensive modifications to their audio files.

How to convert a WAV file

There’s a few different ways to convert a WAV file. First, you could find an online, browser-based converter. These types of converters allow you to upload a file, then they convert it to any of the audio file types you choose. This is typically the least convenient option, however, as it requires both an upload and download of what sometimes is a very large file. Instead, you might consider using a converter program that requires installation on your system. This allows you to convert multiple files at once and doesn’t necessitate internet connection. Converting a wave file to other formats can help with compatibility and storage issues.

For users who have iTunes installed on their system, it is capable of converting WAV files. Simply navigate to the ‘preferences’ tab, then click the ‘import settings’ button. Select which type of audio file you wish to convert to. Then locate the files you want to convert and select ‘file then convert’.

A keyboard that has an 'audio' key.
There are numerous ways to convert a WAV file.

Why Convert WAV Files to Other Audio Formats?

There are several compelling reasons to convert a WAV file to another audio format. One of the primary reasons is compatibility. You might need to convert a WAV file to a different format to ensure it can be played on a device that does not support WAV files. This is particularly important for mobile devices and certain media players.

Another reason is file size. Converting a WAV file to a compressed format like MP3 or AAC can significantly reduce the file size, making it easier to store and transfer. This is especially useful when dealing with limited storage space or when sharing files over the internet.

Lastly, editing is a common reason for conversion. Some audio formats, such as MP3 or AAC, are more easily editable than WAV files. Converting to these formats can simplify the editing process, allowing for more flexibility and efficiency in making modifications to the audio.

Tips for Converting WAV Files

When converting WAV files, there are a few tips to keep in mind to ensure the best results. First, choose the right format for your needs. Make sure the format you select is compatible with your device or software. For example, MP3 is a widely supported format that works on most devices.

Next, consider the quality settings. If you are converting a WAV file to MP3, you may want to choose a higher quality setting to preserve as much of the original audio quality as possible. However, keep in mind that higher quality settings will result in larger file sizes.

Finally, use a reputable conversion tool. There are many conversion tools available, but not all of them are reliable. Using a trusted tool will ensure that your file is converted correctly and safely, without any loss of quality or data.

By following these tips, you can effectively convert your WAV files to other formats while maintaining the integrity and quality of your audio data.

When should you use WAV?

There are two main reasons to use the WAV. First, if you need an audio file that is easily-shared among different systems. This is because it doesn’t require numerous codecs to use the file. Windows users are able to use the WAV just as well as Mac users, making WAV a convenient file type.

The second big reason to choose WAV audio files is it’s a raw audio file. This means it retains all the quality of the original recording. Though this makes the file larger than compressed audio types, it also allows the file to be shared and then edited at its original quality.

The WAV is still a popular file, making it easy to access. Take advantage of this convenience and use it for its high quality, uncompressed audio.