how to do volume control of re-speaker mic array 2.0

info about ReSpeaker series products

Moderators: lily.li, violet, seth.welday

Anonymous
Kindergarten
Kindergarten
Posts: 92
Joined: Mon Jun 03, 2019 10:58 am

Post by Anonymous » Wed Jan 02, 2019 6:13 pm

Hi bill,

Please see
1. I tried but it is not working means not playing through connector
connection.

2. I only need one working at a time while the problem is both are working
hands free as well as external speaker.
Thanks,

Seeed Tech Support
Pre-kindergarten
Pre-kindergarten
Posts: 0
Joined: Mon Jun 03, 2019 10:51 am

Post by Seeed Tech Support » Thu Jan 03, 2019 5:00 pm

Hi 

Irfan,

For HP_R, HP_L, The connector and the 3.5mm audio jack are connected together. thanks.   
 





Merry Christmas  and Happy New Year.

best rgds
Bill



Anonymous
Kindergarten
Kindergarten
Posts: 92
Joined: Mon Jun 03, 2019 10:58 am

Post by Anonymous » Thu Mar 07, 2019 6:07 pm

Dear Bill,

Its been a long time but still I have one query. I wish it will be last.

1. I want to know the *cone angle of LED SK6812MINI* we have used in MIC
Array Version 2 so that we can design light guide accordingly.

Seeed Tech Support
Pre-kindergarten
Pre-kindergarten
Posts: 0
Joined: Mon Jun 03, 2019 10:51 am

Post by Seeed Tech Support » Fri Mar 08, 2019 9:48 am

Hi, 1. The 12 led on respeaker mic array v2.0 is APA102.2. The distance from the center to leds is 27mm.3. the angle between 2 nearby leds is 30 degrees. please let us know if any other issues. Thanksbest rgdsBill

Anonymous
Kindergarten
Kindergarten
Posts: 92
Joined: Mon Jun 03, 2019 10:58 am

Post by Anonymous » Fri Mar 08, 2019 8:31 pm

Hi Bill,

We had a volume control conversation in November with my team. From that
point, we were using PulseAudio as per your instructions to control the
volume.
We have found sound stuttering issues using pulseaudio in sound sink our
problem is same which is mentioned in below link.
https://raspberrypi.stackexchange.com/q ... stuttering

We would like to use default alsa to control the sound or something else
but not pulseaudio becuase we are facing lot of isssue with our environment
using pulseaudio.
Attaching image for more information.
Seeking your urgent help on the issue.

Seeed Tech Support
Pre-kindergarten
Pre-kindergarten
Posts: 0
Joined: Mon Jun 03, 2019 10:51 am

Post by Seeed Tech Support » Tue Mar 12, 2019 11:55 am

Hi there,

please refer to soft volume, for more info, please check https://alsa.opensrc.org/How_to_use_softvol_to_control_the_master_volume

Thanks

best rgds
Bill


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