Re: Wide-Band Speech Support on macOS?
Re: Wide-Band Speech Support on macOS?
- Subject: Re: Wide-Band Speech Support on macOS?
- From: Matthias Ringwald <email@hidden>
- Date: Mon, 13 Aug 2018 13:19:11 +0200
Hi Duy
Has there been any new information about WBS availability w.r.t. supported Mac
models? MacTracker doesn't list the Bluetooth Controller explicitly.
Thanks!
Matthias
> On 20 Jun 2018, at 19:10, Duy Phan <email@hidden> wrote:
>
> Hi Matthias,
> We’ll work with the right channels to publish more data for developers and
> let you know. For now, Mac chipsets/models newer than those with 20702B0,
> would have WBS support. I hope that helps.
> Thanks,
> Duy
>
>> On Jun 20, 2018, at 12:15 AM, Matthias Ringwald
>> <email@hidden <mailto:email@hidden>> wrote:
>>
>> Hi Duy
>>
>> Thanks for your response. What field exactly is relevant for this? Is there
>> a list of WBS-compatible Macs?
>>
>> The main difference that I can see is that the newer one has the BCM20703A2
>> while the older has the BCM20702B0.
>> The other difference is that on the Air 2013, Bluetooth is connected via
>> USB, while in the MBP 2016 UART is used.
>>
>> The PacketLogger shows the SCO packets just fine, so the Bluetooth server
>> could decode mSBC/WBS in both cases.
>>
>> Thanks for more info!
>> Matthias
>>
>>> On 19 Jun 2018, at 23:43, Duy N Phan <email@hidden
>>> <mailto:email@hidden>> wrote:
>>>
>>> Hi Matthias,
>>>>
>>>> Are there specific hardware requirements? Any other ideas?
>>>
>>> Yes. That version of the Mac HW from 2013 does not have WBS support. You
>>> can look for bluetooth HW differences under: Apple Menu > System
>>> Information > Bluetooth
>>>
>>>> On Jun 16, 2018, at 6:17 AM, Matthias Ringwald
>>>> <email@hidden <mailto:email@hidden>>
>>>> wrote:
>>>>
>>>> Hi there
>>>>
>>>> A customer of us is implementing a HFP HF device. On most other OS (iOS,
>>>> Android, Windows), HFP WBS works as expected. On macOS, it works on my
>>>> MacBookPro Late 2016 but not on a MacBook Air 2013, both with the latest
>>>> OS version.
>>>>
>>>> Looking at the packet logs, I cannot see a difference between both setups.
>>>> Just before the SCO connection is opened, one Mac picks CVSD (BCS:1),
>>>> while the other picks mSBC (BCS:2). The same happens with a Jawbone Jambox
>>>> Mini loudspeaker for comparison.
>>>>
>>>> Are there any rules on macOS that would prevent WBS (mSBC) from getting
>>>> used? Are there specific hardware requirements? Any other ideas?
>>>>
>>>> Here are the logs from both systems for the Jambone Jambox Mini:
>>>> -
>>>> https://bluekitchen-gmbh.com/files/Apple/MBA2013-wbs-not-working.pklg.zip
>>>> <https://bluekitchen-gmbh.com/files/Apple/MBA2013-wbs-not-working.pklg.zip>
>>>> - https://bluekitchen-gmbh.com/files/Apple/MBP2016-wbs-ok.pklg.zip
>>>> <https://bluekitchen-gmbh.com/files/Apple/MBP2016-wbs-ok.pklg.zip>
>>>>
>>>> Thanks!
>>>> Matthias
>>>>
>>>> —
>>>> Dr. sc. Matthias Ringwald
>>>> CTO and Co-founder of BlueKitchen GmbH, Zurich
>>>> https://bluekitchen-gmbh.com <https://bluekitchen-gmbh.com/>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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