Question 1

Will the WAV sound better than the MP3?

Accepted Answer

No. The WAV preserves exactly what the MP3 contains: it cannot recover audio data removed during MP3 encoding. WAV is uncompressed, not higher quality than the source MP3.

Question 2

Why is the WAV so much larger?

Accepted Answer

WAV stores raw, uncompressed audio samples. A 4 MB MP3 at 128kbps becomes roughly 40 MB as WAV. This is normal: the WAV contains the same audio information in uncompressed form.

Question 3

Which sample rate and bit depth does the output use?

Accepted Answer

The output preserves the original sample rate (typically 44.1 kHz or 48 kHz) and uses 16-bit PCM, which is CD-quality and accepted by all professional tools.

Question 4

Why would I need WAV if I already have the MP3?

Accepted Answer

DAWs and audio editors work best with WAV for non-destructive editing. Some platforms (broadcast, game engines, certain recording equipment) require WAV. Also, editing a WAV doesn't re-compress the audio on each save.

Question 5

What bitrate does the output use?

Accepted Answer

We encode at 192 kbps, which is widely considered transparent (indistinguishable from the original) for most listeners on typical playback equipment.

Question 6

Will I hear any quality difference?

Accepted Answer

At 192 kbps, the difference is imperceptible on normal headphones and speakers. Audiophiles listening on high-end equipment may detect subtle differences in complex passages.

Question 7

Can I upload stereo WAV files?

Accepted Answer

Yes. Stereo WAV files are encoded as stereo MP3. Mono WAV files produce mono MP3 output.

Question 8

What sample rates are supported?

Accepted Answer

Standard rates (44.1 kHz, 48 kHz) are fully supported. Unusual sample rates are resampled to 44.1 kHz automatically.

Question 9

What is OGG Vorbis?

Accepted Answer

OGG Vorbis is a free, open-source, patent-free audio compression format. It achieves similar or better quality than MP3 at the same bitrate, without licensing fees.

Question 10

Which platforms support OGG?

Accepted Answer

OGG is natively supported in Chrome, Firefox, Unity, Godot, Unreal Engine, VLC, and all major Linux media players. Safari and older iOS have limited support.

Audio

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