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> OP should try using another brand of Bluetooth headphones for a week Extensive user of various BT headphones on Android for few years now - went through ever

> OP should try using another brand of Bluetooth headphones for a week Extensive user of various BT headphones on Android for few years now - went through everything from cheap Corwin E7 to Galaxy Buds to Bose QC to latest one Sony WH-1000XM4 - had minor issues with the Galaxy Buds - had to wiggle them in the case to get the charging going but other than that all of the other ones work really well - Sony being the king of the hill - even two devices work as expected and the sound quality is good.

klmr 5y ago
I’m a huge fan of the Sony high-end line, and am currently using the WH-1000XM4 myself. They’re excellent, but they do share quite a few of the annoyances listed in the OP article (in particular the delay when going from call to audio and vice versa, and the audio quality degradation; though, truth be told, I believe that’s a macOS issue), and they have their own annoyances. Most prominently, the utterly useless “second device pairing” audio message that plays for a full four seconds and drowns out whatever else you were listening to. I routinely need to ask people on a call to repeat what they said because of this. Yet Sony arrogantly states that this message is somehow “important” and therefore can’t be disabled.
- blinkingled 5y ago
  Oh yeah I forgot about the second device pairing message - definite annoyance! I actually have used it with work macOS laptop (Big Sur) a few times but did not notice anything odd.
- TurningCanadian 5y ago
  I believe the audio quality degradation when using the mic is a limitation of Bluetooth bandwidth. It switches to a different profile capable of sending and receiving audio instead of only receiving.
  - klmr 5y ago
    Yes, it switches to a different audio codec, that’s unavoidable due to bandwidth limitations. However, macOS insists on using a worse codec than necessary (SCO instead of SBC) and, at least with my MX4 headphones, this badly scrambles audio, at least intermittently. I’ve stopped using the headphone microphone because it was unbearable. I’ve tried playing with the bluetooth settings but nothing seems to fix this.
  - eptcyka 5y ago
    It's definitely not an issue with bandwidth, instead it's an issue of standardization. There just doesn't exist a bluetooth profile that supports high quality duplex audio communications between two devices. It's pathetic.
    - RealityWinner 5y ago
      It doesn't exist because of bandwidth...
      - eptcyka 5y ago
        I struggle to believe that Bluetooth 5, which supposedly allows for a total of 2mbit/s transfer can't allow for a better codec to be used when a stereo stream of SBC is about 300kb/s. However, I'll be the first to admit that bluetooth is not my area of expertise, and my statement here is mostly driven by disbelief about the fact that we can't get better audio quality out of a bluetooth headset these days. EDIT: Oh wait, the reason HSP uses low bandwidth codecs is because the standard makes a trade-off in favor of latency and non-blocking comms. Clearly, there are good reasons.
    - archepyx 5y ago
      There are vendor A2DP codecs that support duplex audio (faststream; aptx-ll optionally) but very few devices implement them. Software support is also fairly bad, although on Linux Pipewire does support them. Also iirc CSR has a vendor codec (Auristream) in SCO transport that supposedly provides higher quality. Not sure how much better it is, or what software supports it. So certainly better duplex quality is achievable. But there may be some licensing, hardware, or software support constraints that have prevented them from becoming more common.
FredFS456 5y ago
I have a pair of XM4s, I could never get two devices (Ubuntu laptop and Android phone) to work right without getting atrocious sound quality ("headset/handsfree profile") on one.

klmr 5y ago

I’m a huge fan of the Sony high-end line, and am currently using the WH-1000XM4 myself. They’re excellent, but they do share quite a few of the annoyances listed in the OP article (in particular the delay when going from call to audio and vice versa, and the audio quality degradation; though, truth be told, I believe that’s a macOS issue), and they have their own annoyances. Most prominently, the utterly useless “second device pairing” audio message that plays for a full four seconds and drowns out whatever else you were listening to. I routinely need to ask people on a call to repeat what they said because of this. Yet Sony arrogantly states that this message is somehow “important” and therefore can’t be disabled.

blinkingled 5y ago
Oh yeah I forgot about the second device pairing message - definite annoyance! I actually have used it with work macOS laptop (Big Sur) a few times but did not notice anything odd.
TurningCanadian 5y ago
I believe the audio quality degradation when using the mic is a limitation of Bluetooth bandwidth. It switches to a different profile capable of sending and receiving audio instead of only receiving.
- klmr 5y ago
  Yes, it switches to a different audio codec, that’s unavoidable due to bandwidth limitations. However, macOS insists on using a worse codec than necessary (SCO instead of SBC) and, at least with my MX4 headphones, this badly scrambles audio, at least intermittently. I’ve stopped using the headphone microphone because it was unbearable. I’ve tried playing with the bluetooth settings but nothing seems to fix this.
- eptcyka 5y ago
  It's definitely not an issue with bandwidth, instead it's an issue of standardization. There just doesn't exist a bluetooth profile that supports high quality duplex audio communications between two devices. It's pathetic.
  - RealityWinner 5y ago
    It doesn't exist because of bandwidth...
    - eptcyka 5y ago
      I struggle to believe that Bluetooth 5, which supposedly allows for a total of 2mbit/s transfer can't allow for a better codec to be used when a stereo stream of SBC is about 300kb/s. However, I'll be the first to admit that bluetooth is not my area of expertise, and my statement here is mostly driven by disbelief about the fact that we can't get better audio quality out of a bluetooth headset these days. EDIT: Oh wait, the reason HSP uses low bandwidth codecs is because the standard makes a trade-off in favor of latency and non-blocking comms. Clearly, there are good reasons.
  - archepyx 5y ago
    There are vendor A2DP codecs that support duplex audio (faststream; aptx-ll optionally) but very few devices implement them. Software support is also fairly bad, although on Linux Pipewire does support them. Also iirc CSR has a vendor codec (Auristream) in SCO transport that supposedly provides higher quality. Not sure how much better it is, or what software supports it. So certainly better duplex quality is achievable. But there may be some licensing, hardware, or software support constraints that have prevented them from becoming more common.

FredFS456 5y ago

I have a pair of XM4s, I could never get two devices (Ubuntu laptop and Android phone) to work right without getting atrocious sound quality ("headset/handsfree profile") on one.