|
developer |
notes |
media |
storage |
rights
management |
royalties |
platforms |
players |
more
info |
|
audio |
video |
streaming |
download |
limited time |
CD burning |
device transfer |
encoding |
decoding |
soft |
hard |
| Real G2 |
Real Networks |
|
.rm |
.rm |
x |
- |
- |
x |
- |
MS Windows, Mac, UNIX |
RealPlayer |
|
|
| Windows Media |
Microsoft |
cracked DRM:
|
.wma, .asf |
.wmv, .asf |
x |
x |
x |
x |
x |
x |
- |
MS Windows, Mac |
WMPlayer |
handheld PC |
|
| MP3 (MPEG-Layer III) |
Fraunhofer Institute |
MPEG-1:
48,44.1,32 kHz
MPEG-2:
48,44.1,32,24,22.05,16 kHz |
.mp3 |
- |
(Icecast) |
x |
- |
Fraunhofer Institute & Thomson:
|
Fraunhofer Institute & Thomson:
- free soft: US$ 0.00
- sold soft: US$ 1.00
- hard: US$ 2.00
- per song: US$ 0.01
|
MS Windows, Mac, UNIX |
WinAmp, FreeAmp, RealPlayer, xmms... |
mp3 devices |
|
| QDesign Music Codec |
QDesign |
ships with Apple QuickTime |
x |
- |
fast start / streaming |
x |
- |
Apple? |
- |
MS Windows, Mac, UNIX |
QuickTime, xanim |
|
|
| Liquid |
Liquid Audio |
based on AAC |
x |
- |
x |
- |
SP3 (SDMI)* |
|
|
MS Windows, Mac |
LiquidPlayer |
|
|
| a2b |
AT&T |
x |
- |
- |
x |
x |
|
|
MS Windows, Mac |
a2b Music Player |
|
|
| TwinVQ * |
Yamaha |
incl. in MPEG-4 |
.vqf |
- |
fast listening |
x |
(Save attributes) |
|
|
MS Windows, Mac |
Yamaha SoundVQ, AudioConverter |
|
|
| Advanced Audio Coding (MPEG2-AAC) |
Fraunhofer Institute |
x |
- |
- |
x |
- |
|
|
MS Windows, Mac |
Simple, LiquidPlayer |
|
|
| Adaptive Transform Acoustic Coding (ATRAC-3) |
Sony |
used in Minidisc |
x |
- |
- |
x |
SCMS, OpenMG (NetMD) |
|
|
MS Windows, Mac |
LiquidPlayer |
Minidisc |
|
* SP3: Secure Portable Player Platform
* SDMI: Secure Digital Music Initiative
|