TDP
DRM AIRTIME
WHICH ?


WHICH TYPES OF AUDIO FILES CAN BE ACCEPTED FOR BROADCAST?

  • TDP - DRM Airtime Audio Files compares the different types of audio files including MP3, QuickTime, Real Audio and Windows Media.

  • Recordings at different bit rates, different sampling rates and mono or stereo give an idea about differences in audio quality.

  • Samples are available as prerecorded audio files to download and as audio files to play on demand.

AUDIO FILES IN REAL AUDIO
FILE FORMAT BIT RATE SAMPLING RATE MONO/STEREO SIZE/MINUTE PRERECORDED ON DEMAND
Real Audio 16 kbps 8 kHz mono 124 kB DOWNLOAD PLAY
20 kbps 20 kHz mono 157 kB DOWNLOAD PLAY
32 kbps 20 kHz mono 246 kB DOWNLOAD PLAY
64 kbps 20 kHz mono 488 kB DOWNLOAD PLAY

AUDIO FILES IN WINDOWS MEDIA
FILE FORMAT BIT RATE SAMPLING RATE MONO/STEREO SIZE/MINUTE PRERECORDED ON DEMAND
Windows Media 16 kbps 16 kHz mono 124 kB DOWNLOAD PLAY
20 kbps 22 kHz mono 152 kB DOWNLOAD PLAY
32 kbps 22 kHz stereo 240 kB DOWNLOAD PLAY
64 kbps 44 kHz stereo 480 kB DOWNLOAD PLAY

AUDIO FILES IN WINAMP
FILE FORMAT BIT RATE SAMPLING RATE MONO/STEREO SIZE/MINUTE PRERECORDED ON DEMAND
Winamp 16 kbps 11 kHz mono 118 kB DOWNLOAD PLAY
24 kbps 11 kHz stereo 178 kB DOWNLOAD PLAY
32 kbps 11 kHz stereo 236 kB DOWNLOAD PLAY
64 kbps 22 kHz stereo 470 kB DOWNLOAD PLAY

AUDIO FILES IN QUICKTIME
FILE FORMAT BIT RATE SAMPLING RATE MONO/STEREO SIZE/MINUTE PRERECORDED ON DEMAND
QuickTime 12 kbps 22 kHz stereo 91/164 kB DOWNLOAD PLAY
20 kbps 22 kHz mono 150/250 kB DOWNLOAD PLAY
30 kbps 22 kHz stereo 236/344 kB DOWNLOAD PLAY
40 kbps 44 kHz mono 295/414 kB DOWNLOAD PLAY