Our
MP3 quality:
We processed all of our MP3's using the following
settings: MPEG Layer-3, MONO, 80 kbits/s
In
accordance to the International
Telecommunication Union our compression
is above broadcast quality
for FM and AM radio broadcasting.
The
International Telecommunication Union recommends
a lower bit-rate audio coding scheme in broadcast
applications, at bitrates of 60 kbit/s per audio
channel, with MPEG Layer-3. (ITU-R doc. BS.1115)
|
sound quality |
bandwidth |
mode |
bitrate |
reduction ratio |
| telephone
sound |
2.5
kHz |
mono |
8
kbps |
96:1 |
| better
than short-wave |
4.5
kHz |
mono |
16
kbps |
48:1 |
| better
than AM radio |
7.5
kHz |
mono |
32
kbps |
24:1 |
| similar
to FM radio |
11
kHz |
stereo |
56...64
kbps |
26...24:1 |
| our
MP3s |
|
mono |
80
kbps |
|
| near-CD |
15
kHz |
stereo |
96
kbps |
16:1 |
|
CD |
>15 kHz |
stereo |
112..128 kbps |
14..12:1 |
|
