search for: soctronics

...speech energy gets doubled. It > obviously seems intentional but I don't know why. Maybe so that > smoothing is performed at a constant rate regardless of whether > framesize is 10 or 20ms? > > On Sun, Nov 26, 2017 at 8:07 PM, Chandrakala Madhira > <chandrakala.madhira at soctronics.com > <mailto:chandrakala.madhira at soctronics.com>> wrote: > > Hi, > > Can anyone let me know if this is a bug? > > Thank you, > Chandrakala > > ------------------------------------------------------------------------ > *From:...

Hi, Can anyone let me know if this is a bug? Thank you, Chandrakala ----- Original Message ----- From: "Logan Stromberg" <loganstromberg at gmail.com> To: "Chandrakala Madhira" <chandrakala.madhira at soctronics.com> Cc: opus at xiph.org Sent: Wednesday, November 22, 2017 12:12:39 PM Subject: Re: [opus] Reg an issue with smoothing factor in VAD implementation Yes, yes, I can reproduce it now, but only on platforms that define a 16-bit int by default (SA_Q15 is an opus_int rather than opus_int32)....

...speak for the logic where the speech energy gets doubled. It obviously seems intentional but I don't know why. Maybe so that smoothing is performed at a constant rate regardless of whether framesize is 10 or 20ms? On Sun, Nov 26, 2017 at 8:07 PM, Chandrakala Madhira < chandrakala.madhira at soctronics.com> wrote: > Hi, > > Can anyone let me know if this is a bug? > > Thank you, > Chandrakala > > ------------------------------ > *From: *"Logan Stromberg" <loganstromberg at gmail.com> > *To: *"Chandrakala Madhira" <chandrakala.madhira...

Just for fun, I tried to reproduce such an overflow. I turned on all debug macros, assertions, and checked arithmetic and then encoded 2 hours of mixed speech/audio with these parameters: Sample rate = 48000 Channels = 1 Application = OPUS_APPLICATION_AUDIO Bitrate = 24 KB/s Force Mode = MODE_SILK_ONLY Signal Type = OPUS_SIGNAL_AUTO Complexity = 10 Frame size = 480 samples (10ms) No errors came

Yes, yes, I can reproduce it now, but only on platforms that define a 16-bit int by default (SA_Q15 is an opus_int rather than opus_int32). What system are you compiling this for? On Tue, Nov 21, 2017 at 8:34 PM, Chandrakala Madhira < chandrakala.madhira at soctronics.com> wrote: > Hi Logan, > > Please find attached the input stream we are using testing. > > Thank you, > Chandrakala > > ------------------------------ > *From: *"Chandrakala Madhira" <chandrakala.madhira at soctronics.com> > *To: *"Logan Strom...

Hi, We are looking at the VAD implementation used in opus. We are looking at the code where speech probability is calculated based on which SNR is estimated. Below is the part of the code I am talking about. /*********************************/ /* Speech Probability Estimation */ /*********************************/ SA_Q15 = silk_sigm_Q15( silk_SMULWB( VAD_SNR_FACTOR_Q16, pSNR_dB_Q7 ) -