How do I convert MP3 audio to AIFF without losing quality?
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Upload the MP3 file and our converter chooses the AIFF codec / bitrate combination that matches the source. Lossless target (AIFF = WAV / FLAC / ALAC) preserves every sample; lossy target (AIFF = MP3 / AAC / OGG) defaults to 192 kbps which is transparent for most ears.
Will going from MP3 to AIFF reduce my audio quality?
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If MP3 is lossy and AIFF is lossless (e.g. MP3 → WAV), the AIFF file is no better than the MP3 — you can't recover information that's already been thrown away. If MP3 is lossless and AIFF is lossy, expect the AIFF codec to recompress; at 192 kbps this is transparent for most content.
Does the MP3 to AIFF converter keep ID3 / metadata tags?
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Yes — title, artist, album, year, track number, album art are read from MP3 and written into the AIFF container (where the AIFF format supports tags, which all common ones do).
Can I batch convert hundreds of MP3 files to AIFF?
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Yes — drop a folder of MP3 files in and we process them in parallel. Premium has more parallel workers and no per-file size cap, so a 500-file batch finishes in minutes rather than tens of minutes.
Will the AIFF keep the same sample rate as MP3?
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By default yes (48 kHz MP3 → 48 kHz AIFF). If you need to downsample for compatibility (e.g. 96 kHz → 44.1 kHz for CD burning) the advanced sample-rate option does this with high-quality resampling.
Can I normalize loudness in the MP3 to AIFF step?
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是的,响声标准化选项将ITU-R BS.1770/ EBU R128 正常化应用于 `AIFF产出,目标是 -14 LUFS(流标准)或 -16 LUFS(播客标准)。
Yes — uploaded MP3 files are processed in isolated workers and deleted within minutes. We never play, store, or share the audio content.
How long does converting a 1-hour MP3 to AIFF take?
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Same-codec re-mux: 10-30 seconds. Re-encode to a different codec: typically 10-20% of source duration, so a 1-hour MP3 → AIFF finishes in 6-12 minutes.
Why is the AIFF file louder / quieter than the MP3 source?
If the MP3 download is unprotected (no DRM), yes. DRM-encrypted streaming files (Spotify, Apple Music) are encrypted at the bit level and we can't process them. Sources from Bandcamp, SoundCloud download, and personal recordings convert fine.