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hardwarerelated:sony_wm-1000-xm2_headset [2019/03/19 11:19]
chris [Fedora]
— (current)
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-====== What? ====== 
-Just some notes around the Sony WH-1000M2 
-  * pro: wireless: bluetooth profiles for headset and High Fidelity playback (A2DP) 
-  * pro: quite good noise cancelling 
-  * pro: build in rechargable battery 
-  * con: when the cable is used, only headphone functionality is available. No microphone signal goes over the analog cable. 
-  * con: after 60min of wearing, I need to take the headset off 
  
-====== bluetooth profiles ====== 
-bluetooth profiles supported by the headset: 
- 
-  * Advanced Audio Distribution Profile (A2DP) 
-  * Hands Free (HFP) 
-  * Headphones (HSP) 
-  * Audio/Video Remote Control Profile (AVRCP) 
-  * BTLE (Bluetooth Low Energy) 
- 
-One can choose between pure Audio output (A2DP profile) in good quality, or hearing/listening (HFP/HSP profile) with lower quality. HFP in version 1.6 seems to also support better audio transport. The bluez5 implementation on Linux seems to support HFP v1.6 and HSP v1.2 ([[https://git.kernel.org/cgit/bluetooth/bluez.git/tree/doc/supported-features.txt|reference]]). Not sure how to see which version is used for communication with the headset.  
- 
-"Hands-Free Profile (HFP) Version 1.6 adds optional support for wide band speech with the mSBC codec, a 16 kHz monaural configuration of the SBC codec mandated by the A2DP profile." 
- 
-<code> 
-# get the card index 
-CARDINDEX=$(pacmd list-cards | grep index|tail -1|awk '{print $2}') 
-echo $CARDINDEX 
-pacmd set-card-profile $CARDINDEX a2dp_sink 
-#     set-card-profile $CARDINDEX headset_head_unit 
-pacmd list-cards|grep active|tail -1 
-</code> 
- 
-====== Fedora ====== 
-<code> 
-[root@спутник ~]# dnf install pulseaudio-module-bluetooth.x86_64 
-  # now restart your windowmanager, system, or ensure that 
-  # the bluetooth module is loaded in pulseaudio 
-[root@спутник ~]# systemctl status bluetooth.service 
- 
-[root@спутник ~]# bluetoothctl 
-[NEW] Controller 3C:77:E6:ED:1A:7F sputnik [default] 
-[NEW] Device F4:F9:51:C1:BC:90 F4-F9-51-C1-BC-90 
-[NEW] Device 70:26:05:9D:31:85 WH-1000XM2 
-[bluetooth]# trust 70:26:05:9D:31:85 
-Changing 70:26:05:9D:31:85 trust succeeded 
-[bluetooth]# connect 70:26:05:9D:31:85 
-Attempting to connect to 70:26:05:9D:31:85 
-[CHG] Device 70:26:05:9D:31:85 Connected: yes 
- 
-$ sudo bluetoothctl 
-[bluetooth]# power on 
-[bluetooth]# agent on 
-[bluetooth]# default-agent 
-[bluetooth]# scan on 
-[NEW] Device XX:XX:XX:XX:XX:XX WH-1000XM2 
-[bluetooth]# scan off 
-[bluetooth]# trust XX:XX:XX:XX:XX:XX 
-[bluetooth]# pair XX:XX:XX:XX:XX:XX 
-Attempting to pair with XX:XX:XX:XX:XX:XX 
-[CHG] Device XX:XX:XX:XX:XX:XX Connected: yes 
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ...  
-[CHG] Device XX:XX:XX:XX:XX:XX Paired: yes 
-Pairing successful 
-[CHG] Device XX:XX:XX:XX:XX:XX Connected: no 
-[bluetooth]# connect XX:XX:XX:XX:XX:XX 
-Attempting to connect to XX:XX:XX:XX:XX:XX 
-[CHG] Device XX:XX:XX:XX:XX:XX Connected: yes 
-Connection successful 
-[bluetooth]# quit 
-</code> 
- 
-===== links ===== 
-  * [[https://www.youtube.com/watch?v=G5X9oUNSYyE|youtube: the Luigi headphone test]] 
-  * [[https://www.youtube.com/watch?v=VnzIIhLNHqg|Queen - Bohemian Rhapsody - AUDIO 3DD]] 
hardwarerelated/sony_wm-1000-xm2_headset.1552990766.txt · Last modified: 2019/03/19 11:19 by chris