Search found 4 matches

by carlos
Sun Aug 12, 2018 5:06 pm
Forum: ReSpeaker
Topic: AEC
Replies: 6
Views: 2147

Re: AEC

Hi Max, I'm using Pulseaudio and have configured it to use a combined output. module-combine-sink - https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#index11h3 At least for me the output audio quality is than on the capabilities of the audio output itself (16 KHz Limit...
by carlos
Fri Aug 03, 2018 12:51 am
Forum: ReSpeaker
Topic: AEC
Replies: 6
Views: 2147

Re: AEC

I have a similar issue. This is related to the mic array telling the system it is only capable of handling 16 kHz audio output. AEC will probably not work using the audio output of your raspberry as the xmos chip on the mic array can't process the audio output... If this would be possible it would a...
by carlos
Tue Jul 31, 2018 2:07 am
Forum: ReSpeaker
Topic: Audio Output Quality is 16 KHz on v2
Replies: 13
Views: 5236

Re: Audio Output Quality is 16 KHz on v2

I already updated my Mic Array to the 1 channel firmware. So does this mean there is no plan to raise the audio output quality / sample rates? This would mean the mic array would always provide very poor audio output (even on good speakers). The WM8960 Audio Chip on the Mic Array can handle these Sa...
by carlos
Mon Jul 30, 2018 1:30 am
Forum: ReSpeaker
Topic: Audio Output Quality is 16 KHz on v2
Replies: 13
Views: 5236

Audio Output Quality is 16 KHz on v2

I just received my ReSpeaker Mic Array v2 and the voice recognition is amazing. However I noticed that the audio output is very dump / low quality. I tested the output speaker and cable with my smartphone (same music) and it was better. From my analyze I found that the hardware only supports 24-bit ...