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IDProjectCategoryView StatusLast Update
0000930T99X171.00 SKB EagleSWpublic2020-09-23 09:12
Reporter(SW) River WongAssigned To(ALTech) Wooshin Kang Due Date
PriorityhighSeveritys3-moderateReproducibilityhave not tried
Status closedResolutionfixed 
Summary0000930: [SWAN] How the Far Field MiC for NUGU works
DescriptionHi Wooshin,

For integration NUGU of Far Field Microphones, we want to know what API does NUGU used to record Far Field Microphone audio and Speaker feedback audio(Echo reference)?
For example, we know the NUGU uses AudioRecord(VOICE_RECOGNITION) to record RCU audio. So we can do some modification at framework to support it.
But for NUGU of Far Field Microphones, we do not know about how NUGU gets audio data from Far Field Microphones and echo reference audio. Please help to ask NUGU team for our questions.
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(ALTech) Wooshin Kang

2020-09-16 10:47

developer   ~0004344

Dear River,

I will check it and update here.
Thanks.
KANG

(ALTech) Wooshin Kang

2020-09-16 16:17

developer   ~0004359

Dear River,

It is implemented by SKT.
They will get data using "pcm_open()" directly so, i think you don't need any api.
Thanks.

(SW) River Wong

2020-09-16 16:49

developer   ~0004360

Hi Wooshin,

Thanks for your confirmation.
Please inform SKT that the current pcm_open() for Far Field Mic will only get 2 channels, 32bits per channel audio data (I2S TDM). They have to separate it to 4 channels, 16bits per channel.

(SW) River Wong

2020-09-21 19:00

developer   ~0004410

Hi Wooshin,

In mantis 871, you said "mic hal implementation was role of manufacturer because NUGU is not made by SK in AI2".
As we know, the NUGU is made by SKT. From your saying , it seems NUGU in AI2 is not made by SKT, is it true?
Then, how about the NUGU for our project?
Why I ask this question is that we just want to know if we need any effect to modify mic hal to support NUGU.

(SW) River Wong

2020-09-23 09:11

developer   ~0004424

Hi Wooshin,

Thanks for your information from wechat, I recorded it here for reference:
Nugu is made bu skt but gathering data from mic was role of manufaturer in AI2.
In case of sound box, from gathering data to nugu app everything is made by skt.

Issue History

Date Modified Username Field Change
2020-09-11 14:12 (SW) River Wong New Issue
2020-09-11 14:12 (SW) River Wong Status new => assigned
2020-09-11 14:12 (SW) River Wong Assigned To => (ALTech) Wooshin Kang
2020-09-16 10:47 (ALTech) Wooshin Kang Note Added: 0004344
2020-09-16 16:17 (ALTech) Wooshin Kang Note Added: 0004359
2020-09-16 16:49 (SW) River Wong Note Added: 0004360
2020-09-21 19:00 (SW) River Wong Note Added: 0004410
2020-09-23 09:11 (SW) River Wong Note Added: 0004424
2020-09-23 09:11 (SW) River Wong Status assigned => confirmed
2020-09-23 09:12 (SW) River Wong Status confirmed => closed
2020-09-23 09:12 (SW) River Wong Resolution open => fixed