DFF vs MP2
Una comparativa detallada de DSD Interchange File y MPEG Layer 2 Audio — tamaño de archivo, calidad, compatibilidad y cuál elegir según tu flujo de trabajo.
DSD Interchange File
Audio FilesDFF (DSDIFF - DSD Interchange File Format) is the original file format for DSD audio data, developed by Philips. Unlike DSF, it uses a chunked IFF structure and is the native format for many professional DSD recording systems.
Sobre los archivos DFFMPEG Layer 2 Audio
Audio FilesMP2 (MPEG-1 Audio Layer II) is an audio compression standard that preceded MP3. It remains the standard audio format for digital radio broadcasting (DAB) and digital television (DVB) due to its lower encoding delay and better error resilience.
Sobre los archivos MP2Comparativa de ventajas
DFF Ventajas
- SACD-native format.
- Supported by high-end DACs.
- Bit-exact DSD preservation.
MP2 Ventajas
- Robust against transmission errors — designed for broadcast.
- Lower CPU demand than MP3 — mattered for 1990s receivers.
- Universal playback via every audio player.
- ~30 years of broadcast field experience.
Limitaciones
DFF Limitaciones
- No metadata support.
- Huge files (2-6 GB album).
- Niche audiophile market.
- Specialized decoder hardware needed.
MP2 Limitaciones
- Worse compression than MP3 at the same quality.
- Largely obsolete for new content.
- Patent licensing never fully cleared (though most expired by 2017).
- Consumer ecosystems chose MP3 and never came back.
Especificaciones técnicas
| Especificación | DFF | MP2 |
|---|---|---|
| MIME type | audio/x-dff | audio/mpeg |
| Extension | .dff | — |
| Sample rate | 2.8224 MHz (DSD64), 5.6448 (DSD128) | — |
| Creator | Philips | — |
| Sibling | .dsf | — |
| Extensions | — | .mp2, .m2a, .mpa |
| Standard | — | ISO/IEC 11172-3 Layer II |
| Sample rates | — | 16, 22.05, 24, 32, 44.1, 48 kHz |
| Bitrates | — | 32-384 kbps |
Tamaños típicos de archivo
DFF
- Full SACD album (DSD64) 2-4 GB
- DSD128 album 4-8 GB
MP2
- DAB radio stream (128 kbps) 1 MB/min
- DVD audio track (192 kbps) 1.4 MB/min
- 3-min song at 192 kbps 4.3 MB
¿Listo para convertir?
Convierte entre DFF y MP2 online, gratis y sin instalar nada. Subida cifrada, eliminación automática a las 2 horas.
Frequently Asked Questions
DFF (DSD Interchange File) is an audio file format used to store sound recordings — music, voice, podcasts, sound effects. The format defines how the audio samples are compressed (or stored raw), what bitrates are supported, and how metadata such as title, artist, album, and cover art is embedded. It is part of the audio files family.
MP2 (MPEG Layer 2 Audio) is an audio file format used to store sound recordings — music, voice, podcasts, sound effects. The format defines how the audio samples are compressed (or stored raw), what bitrates are supported, and how metadata such as title, artist, album, and cover art is embedded. It is part of the audio files family.
VLC, foobar2000, and the default media players on Windows and macOS handle DFF natively. On mobile, iOS Music and Android media apps vary in their support — popular formats work everywhere; niche ones may need a dedicated app. If playback fails on a device, converting to MP3 or AAC usually solves it.
VLC, foobar2000, and the default media players on Windows and macOS handle MP2 natively. On mobile, iOS Music and Android media apps vary in their support — popular formats work everywhere; niche ones may need a dedicated app. If playback fails on a device, converting to MP3 or AAC usually solves it.
Upload the DFF to KaijuConverter and pick MP3, WAV, FLAC, AAC, OGG, or any other target. Our FFmpeg pipeline decodes the audio and re-encodes to the target format at sensible default bitrates (VBR ~190 kbps for music, 96 kbps for speech). Metadata and cover art travel with the audio where both formats support them.
DFF can be lossy or lossless depending on the specific variant. Lossy variants (smaller files) discard some audio detail during compression in ways tuned to be inaudible; lossless variants preserve every sample exactly but produce larger files. For distribution, lossy at high bitrate is standard; for archival, lossless wins.