Hi Paul.
I have tried a number of possible solutions to send audio to headphones
or speakers via wireless. I am using an electronic sax with built-in
synth, and want to be able to move around without wires AND with
undetectable latency. I tested standard bluetooth headphones, bluetooth
speakers, dongles with APTX, and so on. The two acceptable solutions
from a latency viewpoint I found are:
1. my Phonak bluetooth hearing aids. They have a special dongle which
connects to the audio source, and are made for watching TV with the TV
speakers on. You don't want delays between hearing aids and the
broadcast sound. This simply shows that it can be done via bluetooth,
but the hearing aids cost AUD8000 and the dongle is too big for use
with my instrument.
2. the Line6 G10 Relay. It's a mono dongle that plugs into a guitar and
send the audio to a larger receiver that is connected to your audio
system. This is what I am using for my sax. It is a non-bluetooth
wireless system. However, if you plug your bluetooth headphones into the
audio system, you'll get the latency again.
So these are probably not solutions for your application, they are just
to illustrate my (generally bad) experience with "low latency" bluetooth
audio.
Ben
On 19/02/18 19:46, Philippe Simons wrote:
that's unavoidable... Bluetooth A2DP compress audio before sending to
the Headset...
the compression needs to buffer some raw PCM, and that buffer is your
latency...
On Mon, Feb 19, 2018 at 8:34 AM, Paul Cohn <psc...@gmail.com
<mailto:psc...@gmail.com>> wrote:
Hello,
I'm developing a C++ application on OSX (eventually
cross-platform) with fluidsynth. The basic function is musical
typing with the computer keyboard similar to GarageBand. I don't
have any problems when using the computer's speakers or wired
headphones, but when using bluetooth headphones there's a
noticeable lag. I haven't seen any lag with the headphones
elsewhere where I try latency tests, and using garageband's
musical typing isn't as slow to respond.
Has anyone had this problem, and is there any way to improve the
latency?
Thanks,
Paul
---
Paul Cohn
psc...@gmail.com <mailto:psc...@gmail.com>
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