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What is sample rate?

Jan 31, 2023 3 min read

Thomas K. Tobias
I like words.

Have you come across the topic of sample rate and don't quite understand what it does or why it matters? We have prepared a short blog for you to teach you all about sample rate. We'll explain sample rate, why it matters for your recordings, and how to pick the right one for your projects - whether recording a podcast, producing music, or working on a film score.

What is sample rate?

Sample rate refers to how many snapshots, or "samples," of an audio signal are taken each second. This is measured in Hertz (Hz), so for example, a sample rate of 44.1 kHz means 44,100 samples are taken per second. The higher the number of samples, the closer the digital audio will be to the original sound.

To fully take advantage of higher sample rates, you'll need an audio interface to capture and deliver that quality. Our interfaces support sample rates up to 96 kHz, ensuring every detail of your recording is captured with clarity and precision.

Why does sample rate matter?

Sample rate plays a crucial role in how detailed and accurate your recordings will sound. A higher sample rate captures more detail, which is important for capturing music, dialogue, or ambient sounds with clarity.

Higher sample rates result in larger file sizes and require more computing power for editing and playback.

Understanding this balance can help you choose the right sample rate for your needs, whether you're prioritizing quality or efficiency.

What's the difference between sample rates

  • 44.1 kHz:
    Ideal for general music recordings, including albums and casual content creation. This is the CD-quality standard and works well for most listeners.
  • 48 kHz:
    The go-to sample rate for multimedia projects, especially when you're working with video or streaming platforms. It strikes a balance between quality and file size, making it versatile for music, podcasts, and sound design.
  • 96 kHz and above:
    Best suited for professional music production and audiophile-grade recordings. However, keep in mind that not all playback systems can support these high rates, and file sizes will be significantly larger.

What sample rate is best for recording?

While there is no one-size-fits-all answer, I consistently find that 48 kHz is a great choice for most applications. Here are 4 reasons why:

  1. Adequate audio quality: 48 kHz provides a high enough frequency response to capture a wide range of sounds, including speech and music. 
     
  2. Video compatibility: Recording your audio at 48 kHz will ensure you can use it for video projects.
     
  3. Wide compatibility: Most of your digital devices will be able to run at 48 kHz. This makes it a safe choice if you want to ensure compatibility and interoperability with other equipment or people working with audio compared to even higher sample rates.
     
  4. Resource-efficiency: Recording at higher sample rates, such as 96 kHz or even 192 kHz, can become expensive due to increased storage. 48 kHz strikes a balance between quality and cost-effectiveness, making it a cost-effective solution for most recording projects. The impact of recording using higher sample rates is negligible for most audio applications.
     
  5. Playback standard: Not many playback systems even support higher sample rates than 48 kHz. Also, since we nowadays consume a lot of our video, music, and podcasts via streaming platforms, they will be compressed anyways. Your 96 kHz recordings will most likely only be heard by a very small group of audiophiles.

Conclusion

In most cases, 48 kHz will provide you with a perfect balance of quality and ease of use, especially if you're working on video or multimedia projects. 

However, if you're recording music for personal listening or experimenting with different formats, feel free to explore other sample rates. Understanding the role of sample rate in your recording process can help you get the best possible sound while avoiding unnecessary complications. 

So, whether you're a podcaster, musician, or filmmaker, you now have the knowledge to choose the right sample rate for your next project.


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