vogel's SAVA 1001 User Manual page 15

Poor audio quality and/or audio stutter.
1. To achieve the most low-noise audio possible, set the volume
on your audio source to the highest possible level. Then adjust the
volume to the desired level on your headphones.
2. Please ensure that you are within range of your Bluetooth
device.
3. Bluetooth devices are susceptible to interference from other
Bluetooth devices, cordless phones, routers, microwaves and
wireless devices operating on the 2.4 GHz band. Please eliminate
as many potential sources of interference as possible while using
your Bluetooth headphones/speakers.
Audio has a delay (latency)
1. Bluetooth is a digital wireless signal and you can expect some
delay due to, for example, the required encryption/decoding and
compression/decompression steps.
2. The aptX and aptX Low Latency audio codecs supported by the
SAVA 1001 ensure a much smaller delay compared to regular
Bluetooth audio. AptX Low Latency is not even noticeable
(<40ms).
3. Use the SAVA 1001 with a pair of headphones that supports
aptX or aptX Low Latency.
4. Some modern TVs and receivers also have an audio delay
option. To minimise delay, please ensure that the audio delay is
set to 0.
What is SBC?
SBC (Low Complexity Subband Coding) enables you to wirelessly
listen to audio with reasonable sound quality. SBC is the standard
method to send audio via Bluetooth.
What is AAC?
AAC (Advanced Audio Coding) enables you to wirelessly listen to
CD-quality audio. This codec is, for example, used by Apple in
their iPhones and iPads. However, the audio delay is much
greater than with aptX or aptX Low Latency and about 120ms +/-
30ms.
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SAVA 1001