Codec Tieline Gateway User Manual page 250

250 Gateway and Gateway 4 Manual v1.2
aptX Enhanced
Opus
TxTran /
RxTran
Algorithm Selection Guide
Algorithm
Linear/PCM
Opus
Tieline Music
Tieline MusicPLUS
aptX Enhanced
LC-AAC
HE-AACv1
HE-AACv2
AAC-LD
AAC-ELD
MPEG Layer 2
MPEG Layer 3
G.722
G.711
* Use with caution for remotes due to high delay; not suitable when bidirectional communications is
10Hz- 2.5ms at 128kbps
24kHz 48kHz minimum
(16bit; 32kHz)
to 288kbps
(24bit;48kHz)
4Hz- 20ms 9.6-256kbps
20kHz
Very Low Moderate
Delay to High
Delay
80kbps · Very high quality
voice and music
· Extremely low
delay at high bit
rates
· Highly cascade
resilient
16kbps · Very high quality
voice and music
· Very low delay
at low bit rates
NOT FOR
BROADCAST USE
Excellent Preferred
Perform ance for Live
at Low Rem otes
Bit rates
*
required.
· Ideal for STLs and
audio distribution
w here high
connection bandw idth
is available and very
low delay is highly
desirable.
· Resilient w ith multiple
encodes/decodes
w hen required
· "Opus Voice" is ideal
for high quality, and
low delay voice quality
remotes at extremely
low bit rates.
· "Opus Mono" and
"Opus Stereo" are
perfect for high fidelity
remotes, STLs and
audio distribution at
higher bit rates
NOT FOR BROADCAST
USE
Preferred for Highly
STLs and Com patible
Audio w ith other
Distribution Codecs
© Tieline Research Pty. Ltd. 2021