User guide

Channel Setup
40
Lecture Recorder x2 User Guide
Table 10 Audio settings
Enable audio
Select this checkbox to enable audio for the broadcast.
Audio format
You can select the following audio formats:
 MP3 – a common audio format for consumer audio
storage
 Raw PCM (Pulse Code Modulation) – a standard form
for digital audio in computers as well as other uses
such as digital telephone systems
 G.711 – an ITU-T standard for audio companding. It is a
very commonly used waveform codec.
o μ-law is used primarily in North America
o A-law is in use in most other countries outside
North America
 AAC - a standardized, lossy compression and encoding
scheme for digital audio. AAC generally achieves better
sound quality than MP3 at similar bit rates.
Audio channels
Select either mono (1 channel) or stereo (2 channels) sound.
Audio bitrate
Select the audio bitrate value for the broadcast.
Figure 20 Audio Settings