What Is Sample Rate?
Updated October 2026
Sample rate is how many times per second a digital recording measures the sound. For voice, 44.1 kHz and 48 kHz are both more than enough; the room and the mic matter far more.
The short version
- Sample rate is the number of measurements per second, in kHz.
- 44.1 kHz is the CD rate; 48 kHz is the video and phone rate.
- Both are far above what speech needs; the difference is rarely audible for voice.
- Keep the sample rate of the original recording to avoid conversion.
The short definition
A digital recording measures the sound many thousands of times each second. The sample rate is that number. 44.1 kHz means 44,100 measurements per second. Higher rates capture higher frequencies, but the audible range is limited, so the extra detail is mostly above what people hear.
44.1 and 48 kHz
44.1 kHz is the standard for music CDs and is common for audio. 48 kHz is standard for video and many phones and recorders. Either works well for voice, and Tunedzy works at both.
Why it matters in practice
Changing the sample rate means resampling, and each conversion can add a little processing. Keep the rate of the original where you can. If a project and a file have different rates, the software converts them, which is normal and safe.
What matters more
For a voice recording, the room, the mic distance and the noise matter far more than the sample rate. A 48 kHz recording of a noisy room sounds worse than a close 44.1 kHz recording of a quiet one.
Keep the original rate
Tunedzy keeps the sample rate of your recording where it can, and converts only when a format needs it.
Free tools for this
Frequently asked questions
Is 48 kHz better than 44.1 kHz for voice?
Not for hearing. Both are more than enough. Choose the rate your device or video uses.
Does sample rate change loudness?
No. It changes how finely the sound is measured, not how loud it is.
What is the sample rate of a phone recording?
It depends on the phone and the app. Check the file properties in your editor.
Keep going
All guides and comparisons · Tunedzy Go on your phone · Pricing