Codec Tieline ViA User Manual page 182

182 ViA User Manual v3
G.711
G.722
MPEG Layer 2
MPEG Layer 3
LC-AAC
HE-AAC v.1
HE-AAC v.2
AAC-LD
3kHz 1ms 64kbps
minimum
7kHz 1ms 64kbps
minimum
Up to 24 to 64kbps
22kHz 36ms minimum
Up to 100ms 64kbps
15kHz
Up to 64ms 64kbps
15kHz
Up to 128ms 48kbps
15kHz
Up to 128ms Minimum
15kHz 16kbps
(Mono);
24kbps
(stereo)
Up to 20ms at 48kbps
20kHz 48kHz minimum
80kbps · Low quality 3kHz
POTS phone
quality audio
· Very low delay
at moderate bit
rates
80kbps · Good quality
7kHz voice
· Better quality
than a standard
POTS phone call
· Very low delay
at moderate bit
rates
8.5 - · Very high quality
13.3kbps voice and music
· Low to moderate
delay at
moderate to high
bit rates
8.5 - · High quality voice
13.3kbps and music
· Moderate bit
rates
· High delay
15kbps · High quality voice
and music at
low est bit rate;
better quality at
higher bit rates
· Moderate delay
at moderate to
high bit rates
7.4kbps · High quality voice
and music at the
low est bit rate;
better quality at
higher bit rates
· Low to Moderate
bit rates
· High delay
7.4kbps · High quality voice
and music
· Low bit rates
· High delay
30kbps · Very high quality
voice and music
· Very low delay
at low to
moderate bit
rates
communication
betw een announcers
is required
· Highly compatible w ith
other brands of audio
codec
· Low quality and used
generally for
compatibility
· Highly compatible w ith
other brands of audio
codec
· Good voice quality
audio for remotes and
other voice quality
applications
· Highly compatible w ith
other brands of audio
codec
· Very high quality audio
for remotes, STLs and
audio distribution
· High quality remotes,
STLs and audio
distribution
· Use w hen bidirectional
communication
betw een announcers
is not required
· Voice or music
remotes as w ell as
STLs and audio
distribution w here
some delay is tolerable
· Tieline Music or
MusicPLUS deliver
low er delay
· Live voice or music
remotes as w ell as
STLs and audio
distribution w ith limited
connection bandw idth
· Use w hen bidirectional
communication
betw een announcers
is not required
· Used for DAB+ radio
streaming
· Ideal for low bit rate
remotes
· Use w hen bidirectional
communication
betw een announcers
is not required
· Very high quality, very
low delay STLs and
audio distribution
· Remote connections
able to achieve
48kbps for each audio
channel requiring
· Suitable w hen
bidirectional
communication
© Tieline Research Pty. Ltd. 2020