Tieline Bridge-IT, User Manual

Page: 174 / 227

174 Bridge-IT Manual v4.0
© Tieline Research Pty. Ltd. 2019
Algorithm Audio
Band-
width
Algor-
ithmic
Delay IP bit rate per
channel IP over-
head per
connection Audio Quality and
Features Recommended
applications for on-air
use
PCM/Linear
(Uncom-
pressed) 16/24 bit
up to
24kHz 0ms sample rate x
bits per
sample x no.
channels 80kbps
·
Full bandwidth,
perfect audio
quality for voice
and music
·
No error
concealment/corr
ection or artefacts
·
Extremely high quality
PCM linear
uncompressed audio
for STLs and audio
distribution.
· Ideal for fiber or high
bandwidth links.
Tieline Music Up to
15kHz 20ms 24 kbps
minimum 16kbps
·
High quality voice
and music
· Very low delay at
low bit rates
·
Great for live voice or
music remotes as well
as STLs and audio
distribution with limited
connection bandwidth
(e.g. 3G wireless)
· Suitable when
bidirectional
communication
between announcers
is required
Tieline Music-
PLUS Up to
22kHz 20ms 48 kbps
minimum
(Optimised
for 64kbps
per audio
channel) 16kbps
· Very high quality
voice and music
· Very low delay at
low to moderate
bit-rates
· Very high quality, very
low delay STLs and
audio distribution
·
Remote connections
able to achieve 48kbps
for each audio channel
· Suitable when
bidirectional
communication
between announcers
is required
G.711 3kHz 1ms 64kbps
minimum 80kbps
· Low quality 3kHz
POTS phone
quality audio
· Very low delay at
moderate bit
rates
· Highly compatible with
other brands of audio
codec
· Low quality and used
generally for
compatibility
G.722 7kHz 1ms 64kbps
minimum 80kbps
· Good quality
7kHz voice
· Better quality
than a standard
POTS phone call
· Very low delay at
moderate bit
rates
· Highly compatible with
other brands of audio
codec
·
Good voice quality
audio for remotes and
other voice quality
applications
MPEG Layer 2 Up to
22kHz 24 to
36ms 64kbps
minimum 8.5 -
13.3kbps
· Very high quality
voice and music
· Low to moderate
delay at
moderate to high
bit rates
· Highly compatible with
other brands of audio
codec
·
Very high quality audio
for remotes, STLs and
audio distribution
LC-AAC Up to
15kHz 64ms 64kbps 15kbps
·
High quality voice
and music at
lowest bit rate;
better quality at
higher bit rates
· Moderate delay at
moderate to high
bit rates
·
Voice or music
remotes as well as
STLs and audio
distribution where
some delay is tolerable
· Tieline Music or
MusicPLUS deliver
lower delay
HE-AAC v.1 Up to
15kHz 128ms 48kbps 7.4kbps
· High quality voice
and music at the
lowest bit rate;
better quality at
higher bit rates
· Low to Moderate
bit rates
· High delay
· Live voice or music
remotes as well as
STLs and audio
distribution with limited
connection bandwidth
· Use when bidirectional
communication
between announcers
is not required