VSDSP Forum

Hello Pasi

Thanks for your reply. We have completed the tuning of vs1063a. Now vs1063a can work with our PC audio codec tool well. the voice is clear. The noice is because our pc codec tool use a-law, but vs1063a is set to u-law.

thanks again.

kind regards.

Wayne.

Hello Pasi Use G711 encoding format, tow vs1063a of codec mode can work well ,the voice is very clear. but when I save audio data to a file. And paly the audio file with a voice palyer(goldwave), the voice is not clear(with much noice), why does this happen? Saved audio file is attached. kind regard...

Hello Pasi

In our use case, one side is vs1063a, the other side is PC. When I test ADPCM encoding format, it seems that the IMA ADPCM enc/dec source code is not adapting to VS1063a's. Do you have IMA ADPCM open source code that could work with vs1063a?

kind regards.

Wayne.

Got it.

thanks for your reply.

kind regards.

Wayne.

Hello Pasi

I am not sure what is your means.
What result would be if testing with ADPCM or G.722? The isuue rate would be small than PCM, or it would not occour the issue?

kind regards.
Wayne.

Hello pasi Thank you for your advice. We will check it. We met a new scenario about this issue. After vs1063 power up, and the voice is good, keep vs1063 powering up, restart the other side, the voice become loudly on both side(vs1063 is set on codec mode). At this moment, the microphone becomes sen...

Hello pasi I use the PCM format currently. And I have used patchs package for vs1063a. I got the noise in the analog outputs. And the input clock is 12Mhz, clock multiplier is 5(sc_mult mask is 0xe000). The encoding stream is 8kHz, 16bit mono PCM data. Are the encoding parameters suitable to the clo...

after some time, I repower the board, it recover again.

Hello, I met an strange issue when tuning the audio of vs1063. I have set vs1063 to auto gain mode and the volume is suitable, sound is clear. but sometimes, the volume become loudly sunddenly with noise when I just repower the board. And it can not recover when repower again. it seems like some sta...

Hello Henrik
I'm sorry for reply so late.

Thank you for your suggestion. I will try it.

Kind regards.

Wayne.