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Audio over Bluetooth: most detailed information about profiles and codecs (2019)

68 pointsby schaumabout 4 years ago

8 comments

Fannonabout 4 years ago
I wonder how the new Bluetooth LE Audio with the new LC3 codec would fare in this comparison.<p>See <a href="https:&#x2F;&#x2F;www.bluetooth.com&#x2F;learn-about-bluetooth&#x2F;recent-enhancements&#x2F;le-audio&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.bluetooth.com&#x2F;learn-about-bluetooth&#x2F;recent-enhan...</a><p>There&#x27;s on thing in the current state of bluetooth audio that actually bugs me: Once you use a microphone, the audio quality significantly degrades from the usually stereo audio quality (which is good enough for me).<p>I&#x27;m curious when we&#x27;ll see LE Audio in broad adoption and how much of an improvement it will actually be.
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twistedcheesletabout 4 years ago
For a complete Bluetooth layman like myself, this was a fascinating read.<p>Alongside god and the manufacturer, I now know to curse the standards body too whenever trying to connect these damn headphones!
wombatmobileabout 4 years ago
&gt; Unfortunately, as of 2019, the quality of voice transmission via Bluetooth is still poor, and it is not clear why Bluetooth SIG is not doing anything about it.<p>I would speculate there is no party with a strong interest in voice only communications participating in the Bluetooth SIG.<p>That&#x27;s because the biggest industry group for voice only communications has its own wireless standard, DECT.<p>I&#x27;ve been trying to find a way to pair bluetooth hearing aids with a DECT landline phone but as far as I can see, no landline phone manufacturer has implemented Bluetooth Hands Free Protocol to work with hearing aids. This surprised me.<p>My 89 year old mother&#x27;s hearing aids can pair with iPhone and Android, but she doesn&#x27;t use a mobile device so I need it to pair with an ordinary DECT landline phone. I understand both landlines and old people are declining markets.<p>Anyway, to confirm this blank I had to peruse a lot of DECT and Bluetooth standards. Bluetooth Profile Specifications and compliance therewith are a rabbit hole, difficult to navigate because DECT phone device manufacturers don&#x27;t publish capabilities.
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ameliusabout 4 years ago
Can&#x27;t we just replace this standard by WiFi? That would be one less standard to deal with. And much better bandwidth.
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jnsieabout 4 years ago
I have been searching in vain for a Bluetooth transmitter that can transmit from my tv to 2 Bluetooth headsets and supports Dolby surround (so that I don’t have to switch my TV to PCM every single time I switch to headphones). So frustrating
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samstaveabout 4 years ago
Might be a lame question, but can BlueTooth connections be intercepted and &quot;heard&quot; ?<p>If so, How?
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ameliusabout 4 years ago
Why can&#x27;t Bluetooth pair with more than one audio sink at the same time? I mean, watching a movie on a laptop with a friend is not a strange requirement, is it?
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perlpimpabout 4 years ago
Upon coming up on sound guys article it became apparent why Apple has cut the cord. Their compression is top notch - I have experimented with various bt headsets&#x2F;headphone&#x2F;bt-amps. Apple AAC implementation keeps layering and detail much more compared to AptX HD counterparts - using same devices across the range.