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Audio Conversion

Convert M4P to Opus Online — Free

Fast, free M4P to Opus converter. No registration required.

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Come convertire

1

Upload your .m4p file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .opus file when it's ready.

Cos'è M4P?

M4P is the iTunes Protected AAC format, used by Apple for DRM-protected music purchased from the iTunes Store before 2009. It uses the MPEG-4 Audio container with Apple FairPlay encryption wrapping AAC-encoded audio. Unprotected M4P files (after DRM removal) can be converted to standard audio formats.

Dettagli formato

Nome completo
iTunes Protected AAC
Estensione
.m4p

Caratteristiche principali

  • AAC audio codec
  • FairPlay DRM wrapper
  • MPEG-4 container
  • iTunes metadata support

Cos'è Opus?

Opus is a modern audio codec designed for interactive speech and audio transmission. It provides excellent quality at low bitrates and is widely used in VoIP and streaming.

Dettagli formato

Nome completo
Opus Audio Codec
Estensione
.opus

Caratteristiche principali

  • Low latency
  • Excellent compression
  • Voice optimized
  • Open source

M4P vs Opus

CaratteristicaM4POpus
Nome completoiTunes Protected AACOpus Audio Codec
Estensione.m4p.opus
Ideale perAAC audio codecLow latency

Domande frequenti

Converting between lossless formats preserves perfect quality. When converting to lossy formats, our optimized encoding minimizes any audible difference. You can adjust bitrate to control quality vs. file size.
We preserve ID3 tags, album art, and metadata when both M4P and Opus support them. Some metadata may not transfer between incompatible formats.
Pro users can batch convert multiple audio files simultaneously. Free users convert one file at a time with up to 5 free conversions per day.
We support all standard sample rates from 8kHz (voice) up to 192kHz (studio quality). The default preserves your source file's sample rate.
Yes. Our audio converter handles music, podcasts, voice memos, and audiobook files. For podcasts, we recommend MP3 at 128-192kbps for the best balance of quality and file size.

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