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Joined: Nov 2000
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Robert.W Great Green Arkleseizure
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Robert.W Great Green Arkleseizure
Joined: Nov 2000
Posts: 2,766 Likes: 6 |
Sorry about my maybe stupid question:
Which format is stored on a CD?
Is that a WAV file?
Which file format can a DSP play-is that also WAV or what?
Iam a "little" confused,as M write in the Sooloos "system Primer" that the output format is WAV.
But Sooloos store every music as a MP3 and FLAC file.
Does that means when playing music from Sooloos the FLAC file get "live" converted to WAV ?
Can somebody bring some light in my dark tunnel ?
Thanks Robert
800v3/218/271/8k.2/5k5s  /5kC/DSP3200/Reviver/ TT-ELP/Graham Slee Revelation/Trinnov Altitude 32/OPPO 205 __Ayon/HB/Shunyata/Miltzow -- power cables, __Ayon/Jungson/Miltzow --analog, Miltzow-- digital, __Vortex/WMA ,
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Joined: Mar 2009
Posts: 1,351 Likes: 1
Working on the ultimate question
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Working on the ultimate question
Joined: Mar 2009
Posts: 1,351 Likes: 1 |
the audio format on CD is usually referred to as "CDDA" see : http://en.wikipedia.org/wiki/Compact_Disc_Digital_Audio CD rippers like dBpoweramp or EAC will extract to WAV format losslessly(and then encode to FLAC or MP3 etc). I remember reading that Sooloos will rip a CD as a single large FLAC format file, with CUE file to provide track metadata. My Sonos plays back in PCM format, 44.1kHz. through coax SPDIF . My music files are ripped as separate FLAC files using dBpoweramp. The Sonos decodes FLAC "on the fly" and produces PCM/WAV which outputs to processor. The FLAC format was designed to be able to be decoded quickly even on slow devices. Encoding is another story ...
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Joined: Oct 2005
Posts: 435
Paranoid android
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Paranoid android
Joined: Oct 2005
Posts: 435 |
I just had a look at tracks I had dragged directly from a CD, onto my Mac desktop. All songs are stored as .aiff
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President of the Imperial Galactic Government
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President of the Imperial Galactic Government
Joined: Aug 2004
Posts: 7,950 Likes: 19 |
Surely CD is not a file orientated format so any track data extracted and placed in files are purely arbitrary in format and file extension?
Meridian owner since 1992
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Joined: Nov 2000
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Robert.W Great Green Arkleseizure
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Robert.W Great Green Arkleseizure
Joined: Nov 2000
Posts: 2,766 Likes: 6 |
Thanks all,
is that correct ?
files get ripped from CD(whatever format) to WAV file
and encoded or compressed to FLAC and stored on a PC HD.
When playing that FLAC file, the format get "live" or "real time" decoded or extended to WAV.
This will go via SPDIF to the DSP.
800v3/218/271/8k.2/5k5s /5kC/DSP3200/Reviver/ TT-ELP/Graham Slee Revelation/Trinnov Altitude 32/OPPO 205 __Ayon/HB/Shunyata/Miltzow -- power cables, __Ayon/Jungson/Miltzow --analog, Miltzow-- digital, __Vortex/WMA ,
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Joined: May 2000
Posts: 8,364 Likes: 14
President of the Imperial Galactic Government
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President of the Imperial Galactic Government
Joined: May 2000
Posts: 8,364 Likes: 14 |
I just had a look at tracks I had dragged directly from a CD, onto my Mac desktop. All songs are stored as .aiff The mac is not draging files off the CD. It's ripping the tracks as you drag them into it's own preferred file format. aiff is like MP3 (it's lossy). If you did that on windows you'd get wma files also like MP3.
- Fiddler (IMHO)
If you think listening to music is fun, try learning an instrument.
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Joined: Jun 2008
Posts: 118
Hitchhiker
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Hitchhiker
Joined: Jun 2008
Posts: 118 |
I just had a look at tracks I had dragged directly from a CD, onto my Mac desktop. All songs are stored as .aiff The mac is not draging files off the cd. It's ripping the tracks as you drag them into it's own preferred file format. aiff is like mp3 (it's lossy). If you did that on windows you'd get wma files also like mp3. Nope, aiff is non-compressed and lossless PCM < http://en.wikipedia.org/wiki/Aiff>. It's the Mac equivalent of .WAV.
Main system (when room is done): 861v4, 7 x DSP33, SW1600, Oppo, Sonos
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