search for: tonal

...lt/celt_encoder.c --- opus-1.3.1-vanilla/celt/celt_encoder.c 2018-10-17 03:52:45 +0800 +++ opus-1.3.1/celt/celt_encoder.c 2019-05-27 17:15:55 +0800 @@ -1321,7 +1321,7 @@ static int compute_vbr(const CELTMode *m /*printf("%f %f %f %f %d %d ", st->analysis.activity, st->analysis.tonality, tf_estimate, st->stereo_saving, tot_boost, coded_bands);*/ #ifndef DISABLE_FLOAT_API - if (analysis->valid && analysis->activity<.4) + if (analysis->valid && analysis->activity<.4f) target -= (opus_int32)((coded_bins<<BITRES)*(.4f-analysis-...

...ared to lm above : What tells me which variable was selected first in the stepwise process ? Do I sort Pr(>F), the lowest value of which corresponds to the first variable ? Popul has a 3 star rating in lm and nothing in step. How do I interpret that ? * all-subsets regression * > summary(tonall)$cp [1] 37.338138 31.452375 25.300272 17.965950 13.751043 10.021910 8.455827 8.810498 9.273599 11.000000 > summary(tonall)$adjr2 [1] 0.2155976 0.2411378 0.2680048 0.2997661 0.3197652 0.3381030 0.3481410 0.3506880 0.3528339 0.3499369 > summary(tonall)$which[1,][summary(tonall)$which[1...

...+++++++++++++++ src/opus_demo.vcxproj | 4 ++++ src/opus_demo.vcxproj.filters | 12 ++++++++++++ 6 files changed, 42 insertions(+), 3 deletions(-) diff --git a/src/analysis.c b/src/analysis.c index 48832d5..b3be892 100644 --- a/src/analysis.c +++ b/src/analysis.c @@ -142,9 +142,9 @@ void tonality_analysis(TonalityAnalysisState *tonal, AnalysisInfo *info, CELTEnc const kiss_fft_state *kfft; kiss_fft_cpx in[480], out[480]; int N = 480, N2=240; - float * restrict A = tonal->angle; - float * restrict dA = tonal->d_angle; - float * restrict d2A = tonal->d2_ang...

Hi Everyone, I just merged a lot of changes in the CELT master branch. This should solve the following issues: - tonal artefacts (birdies) at low bit-rate - tonal artefacts in stereo at all rates - low-frequency noise (roughness) on low bit-rate speech The code has been simplified a lot, but there's lots of changes, so please give this a try and see if anything got broken. Cheers, Jean-Marc

...impression I'm getting is that the 1.1 branch does not offer consistent (or, frankly, any) quality improvements over 1.0. Even without using any of the new 1.1 features such as AGC or denoising, files encoded with the 1.1.11/1.1.12 speexenc.exe tend to contain wild amplitude-level variations, tonal artifacts, and clipped regions. Here's a good example of what I'm talking about: speexenc --bitrate 7500 pcm16k.wav speex.spx speexdec speex.spx recovered.wav If you run these commands with the file http://www.speakeasy.net/~jmiles1/pcm16k.wav in 1.0.4, the recovered.wav output doesn'...

...of all, how can i verify my config files ? Secondly, when i'm trying to pass a call to the outside, i ve a Notice about appdial.c (l 554) telling me: unable to create channel of type Zap ...and i don't understand... Finally, when i plug my analog phones in RJ45 of my TDM400, there is no tonality ( i'm not sure that it is the right word in english , but i can't hear any tut-tut or any noise...) ... Maybe, it's obvious but i can't succeed... Thx Laurent an hopeless french student

Hi everyone, I'm pleased to announce version 0.6.0 of CELT, with many quality improvements. This includes better stereo coupling, better handling of transients, and better handling of highly tonal signals. In addition, packet loss robustness has been improved through the optional use of independent (intra) frames. CELT now supports a larger dynamic range, suitable for encoding 24-bit audio (float version only). There is also a very early VBR implementation. Now, 0.6.0 is also the version th...

Hello everyone, I was curious if anyone has performed any listening tests or done work with solo instrument performances with the CELT codec? I experience quite a bit of noise coming up with a heavily tonal stimulus, the worst offender being a trumpet. I understand some of this behavior is to be expected, this is a perceptual codec afterall, but was curious if anyone was able to find an elegant solution. (Jean-Marc: This may also be a good test file to throw into your routine listening) I know I am...

...oks with this change; then the .01 can probably go away, though it won't hurt (I think). Be warned that the bitstreams increase roughly 50% in size with this change, so you should compare 128kbps new with 192kbps old etc. Please try this on tracks you find difficult to encode, especially very tonal stuff, I'll explain later what this really does, it's a bunch of math so I'll make a TeX file of it, Cheers && happy coding, Segher --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send...

...ompletely overhauled psycha! Well, actually, the only big change is that it does all of its computations in the dB domain, and does some things just a little bit different, to improve performance. Changed the ATH_Bark_dB array. This removes some very annoying artifacts when encoding low-frequency, tonal sounds. MDCT_COOR: this should reduce the blocking artifacts the MDCT creates. This #define is tunable; smaller is less correction. The algorithm is only exact for sine windows, but is ok for the Vorbis window as well, as long as the flr[] is reasonably smooth (in the high freq region). This shoul...

Dear list, I' m studying FLAC performance, and I'd like to know how much compression can be achieved for different audio files. 1) It seems that for nontonal sound (wideband noise), the compression factor is better than for compound sound (tones + nontonal components), which is typically 2. The reason for this result could be the following: the LPC filter is more suitable for estimating the amplitude spectrum of non tonal information, and do not take in...

...it sounded better in quality than q=-0.93 Vorbis which resulted in the same file size. So I increased the quality until they sounded approximately the same quality across the whole song. I ended up using Vorbis at q=1.2 which results in 434837 bytes (19897 bit per sec). The instrument sound is very tonal, & the sharp "ping" at the start of each note which characterises the sound, is also tonal according to Cooledit Pro's spectral view (512 band), & I wonder if at q=-1, Oggenc was consistently using blocks that are too long for the note-on sound, then encoding many frequencies...

...) - short blocks and one long blocks are used (short blocks must be smaller or equal to long blocks), can be set to any allowed size - selected window size depends on bitrate MDCT - transforms audio data to frequency domain PSYCHOACOUSTIC MODEL - Vorbis uses its own psychoacoustic model - FFT for tonal analys and MDCT for noise analysis Floor - a psychoacoustic floor is created from the data, given from the psychacoustic model - the floor is a spectral envelope and represents a low resolution model of the audio spectrum - floor type 0 uses LSP and floortyp 1 a linear interpolation algorithm to c...

...0" = x"1"]) + AS_IF([test x"$enable_rtcd" = x"yes"],[ AS_IF([test x"$rtcd_support" != x"no"],[ diff --git a/src/analysis.c b/src/analysis.c index 2ee8533..e04b282 100644 --- a/src/analysis.c +++ b/src/analysis.c @@ -189,7 +189,7 @@ void tonality_get_info(TonalityAnalysisState *tonal, AnalysisInfo *info_out, int info_out->music_prob = psum; } -static void tonality_analysis(TonalityAnalysisState *tonal, const CELTMode *celt_mode, const void *x, int len, int offset, int c1, int c2, int C, int lsb_depth, downmix_func downmix) +sta...

...0" = x"1"]) + AS_IF([test x"$enable_rtcd" = x"yes"],[ AS_IF([test x"$rtcd_support" != x"no"],[ diff --git a/src/analysis.c b/src/analysis.c index 2ee8533..e04b282 100644 --- a/src/analysis.c +++ b/src/analysis.c @@ -189,7 +189,7 @@ void tonality_get_info(TonalityAnalysisState *tonal, AnalysisInfo *info_out, int info_out->music_prob = psum; } -static void tonality_analysis(TonalityAnalysisState *tonal, const CELTMode *celt_mode, const void *x, int len, int offset, int c1, int c2, int C, int lsb_depth, downmix_func downmix) +sta...

...0" = x"1"]) + AS_IF([test x"$enable_rtcd" = x"yes"],[ AS_IF([test x"$rtcd_support" != x"no"],[ diff --git a/src/analysis.c b/src/analysis.c index 2ee8533..e04b282 100644 --- a/src/analysis.c +++ b/src/analysis.c @@ -189,7 +189,7 @@ void tonality_get_info(TonalityAnalysisState *tonal, AnalysisInfo *info_out, int info_out->music_prob = psum; } -static void tonality_analysis(TonalityAnalysisState *tonal, const CELTMode *celt_mode, const void *x, int len, int offset, int c1, int c2, int C, int lsb_depth, downmix_func downmix) +sta...

Changes from RFC PATCH v3 - Just rebased on tip - For all else, please see notes from RFC PATCH v3 at http://lists.xiph.org/pipermail/opus/2015-March/002902.html - latest wip opus tree/branch https://git.linaro.org/people/viswanath.puttagunta/Ne10.git branch: rfcv4_final_fft_ne10 Viswanath Puttagunta (1): armv7(float): Optimize encode usecase using NE10 library Makefile.am

Changes from RFC PATCH v1: - passing arch parameter explicitly - reduced stack usage by ~3.5K by using scaled NE10 fft version - moved all optimization array functions to arm_celt_map.c - Other cleanups pointed out by Timothy Phil, As you mentioned earlier, could you please address all compile and linker errors/warnings coming out of Ne10 library? You can find my working Ne10 repo at [1] You

Changes from RFC PATCH v2 - fixed compile issue when just compiling for --enable-intrinsics for ARMv7 without NE10 - Notes for NE10: - All compile/link warnings are now in upstream NE10 - Only patch pending upstream in NE10 is the one that needs to add -funsafe-math-optimizations for ARMv7 targets. - Phil Wang @ ARM is working on getting this fixed. - Note that even without

"Didier Dambrin" <didid at skynet.be> wrote: ... > I like FLAC on the paper because of its metadata preservation, in that riff > tag, which is critical for my needs. Try using WavPack, http://www.wavpack.com/ This can losslessly compress 32-bit floating point WAVE-EX files, and faithfully preserves every chunk (which FLAC does not do). It is also free. Regards, Martin --