Displaying 18 results from an estimated 18 matches for "fixedpoint".
Did you mean:
fixed_point
2005 Oct 26
1
Noisy sound quality with Blackfin in WB-mode
Hello Jean-Marc,
> Could you try mixing the encoders and decoders (encode with one
> version,
> decode with the other) to see whether the problem is in the
> encoder, the
> decoder or both.
I tested that,and the results are: The fixedpoint+blackfin encoder
used together with the fixedpoint-only decoder produces an bad
sounding file (for all the combinations for quality and complexity I
mentioned in my previous postings, and also for both WB and UWB mode).
The combination fixedpoint-only encoder together with the fixedpoint
+bl...
2005 Oct 26
2
Noisy sound quality with Blackfin in WB-mode
...oint or B) fixed-point only on Blackfin. Then A) sounds bad and
> B) sounds good. If you do the same in narrowband, it sounds OK. Is
> that
> correct? If that's the case, it's *probably* some kind of bug and/or
Yes, that's right, except one thing: I always use the blackfin
+fixedpoint optimized encoder *and* decoder or the fixedpoint-only
optimized encoder *and* decoder at one time. And I do every encoding/
decoding on the Blackfin.
> invalid assumption in the blackfin assembly. Could you check if that
> happens on all wideband modes (and none of the narrowband modes...
2005 Dec 09
0
Patch for mdf.c without fixedpoint
The latest SVN version breaks mdf.c when running without fixed point.
Patch:
Index: mdf.c
===================================================================
--- mdf.c (revision 10563)
+++ mdf.c (working copy)
@@ -169,6 +169,8 @@
acc[i+1] += (X[i+1]*Y[i] + X[i]*Y[i+1]);
}
acc[i] += X[i]*Y[i];
+ X += N;
+ Y += N;
}
}
#endif
2017 Nov 03
2
Fixed point modules in floating point
Hi,
I was testing floating point Opus encoder. But it's calling few functions
which are implemented in fixed point . I tried to find corresponding
floating point functions in source. But not available. Please help me on
this.
Vega
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
2004 Aug 06
3
Speex on Nokia 6600
Hmm, what these instructions do? (I know nothing about ARMs; I have some
knowlege about x86 assemblers and programming). Cant we use pure standard
C++ or Java? Does Speex work with fixedpoint math? (As far as I know Java
on 6600 has no builtin floatingpoint, there is emulation class somewhere
on the net, but it is probably painfully slow.) I do not know if this
processor has builtin floatingpoint math module.
When "current" code would be able to do it in Your opinion?
<...
2005 Oct 25
2
Noisy sound quality with Blackfin in WB-mode
Hello all,
I'm testing the Speex codec for my diploma thesis on a BF-533 Blackfin under
uCLinux (2005R3 RC3 release). I successfully compiled the Speex (1.1.11-svn)
and I can encode/decode wav-files on my STAMP-board using the speexenc/speexdec
sample apps. But I encountered that the decoded file sounds strange/noisy, when
compiling with "--enable-blackfin-asm" +
2019 May 08
2
RFC: On removing magic numbers assuming 8-bit bytes
...contribution from
> the sponsors in other areas would also be a key factor.
I'm not sure how to interpret that, but our team here at Ericsson is
fairly large, we have been working with this out-of-tree backend since
2011 and as a group, we contribute to upstream e.g. by helping out with
the fixedpoint upstreaming, by solving and filing TRs (we're pretty
good at testing I'd say), improving debug information and more.
>
> >
> > Cheers.
> >
> > Tim.
> > _______________________________________________
> > LLVM Developers mailing list
> > llvm-...
2006 Sep 06
2
Speex 1.2beta1: Better, smaller, faster and more
Speex 1.2beta1 announcement:
This new release brings many significant improvements. The quality has
been improved, both at the encoder level and the decoder level. These
include enhancer improvements (now on by default), input/output
high-pass filters, as well as fixing minor regressions in previous 1.1.x
releases. A strange and rare instability problem with pure sinusoids has
also been fixed. On
2002 Sep 07
1
libvorbis on Symbian EPOC
Hi,
I saw earlier correspondence (e.g.
http://www.xiph.org/archives/vorbis-dev/200202/0131.html) on this list
about porting the Ogg Vorbis libs to Symiban EPOC. I'm wondering if
anyone really succeeded in doing this, and would share his experiences
with me.
Thanks,
<p>Akos
--- >8 ----
List archives: http://www.xiph.org/archives/
Ogg project homepage: http://www.xiph.org/ogg/
2006 Sep 06
0
Speex 1.2beta1: Better, smaller, faster and more
...ng? Can uclibc influence
speed?
We want to use speex and are considering a few ARM cpu's and the sis550 cpu
(forerunner currently). Now I have to try and verify that it will encode from
the soundcard on this device in realtime and transmit the data
(multicasting). I was hoping that the non fixedpoint performance would be
better, can it be my fault or is this expected behaviour/performance?
Is there a timeframe for the 1.2.0 stable release? Ballpark?
Thanks,
Kobus Wolvaardt
Kreon Technology
On Monday 04 September 2006 16:09, Jean-Marc Valin wrote:
> Speex 1.2beta1 announcement:
>
>...
2019 May 09
2
RFC: On removing magic numbers assuming 8-bit bytes
*From: *JF Bastien via llvm-dev <llvm-dev at lists.llvm.org>
*Date: *Thu, May 9, 2019 at 1:30 PM
*To: *Jesper Antonsson
*Cc: *dag at cray.com, llvm-dev at lists.llvm.org
I don’t think you have consensus to move forward at this point in time. My
> expectation, which I think represents LLVM’s historical approach, is that a
> path to full support be planned out before this effort starts.
2004 Aug 06
2
Speex on Nokia 6600
Hi,
I have one question: Will Speex run in realtime (both encode / decode
probably simulateusly) on Nokia 6600 --- basicaly ARM9 104MHz with Symbian
7s after porting to its C++ or Java? I am thinking mostly about the worst
quality encoding (optionally duplex). Can this processor make it? Oh 6600
has something about 6mb memory if I remember good.
Plase cc kangur@polcom.net in replies.
2016 Jun 28
2
[BUG] 3.8 alignment/struct padding
...The equivalent C struct:
typedef struct {
real32_T s;
real_T d;
int8_T i8[4];
uint16_T ui16[4];
int32_T i32[100];
uint64_T ui64[6];
int64_T i64[64];
char_T c[3];
creal_T mycomplex;
int32_T enumeration_int32;
int8_T enumeration_int8;
uint16_T enumeration_uint16;
cint32_T fixedpoint;
int32_T fixedpoint2;
int128m_T fimw[10];
real_T fisd1;
real_T fisd2;
real_T fisd3;
int8_T fisb;
real_T fid;
real32_T fis;
} struct0_T;
In C the offsets are computed as:
8
16
20
28
432 << This was 428 in LLVM; 432 is divisible by 8, but 428 is not.
480
992
1000
1016
1020
102...
2019 May 09
3
RFC: On removing magic numbers assuming 8-bit bytes
...gt; >
> > I'm not sure how to interpret that, but our team here at Ericsson
> > is
> > fairly large, we have been working with this out-of-tree backend
> > since
> > 2011 and as a group, we contribute to upstream e.g. by helping out
> > with
> > the fixedpoint upstreaming, by solving and filing TRs (we're pretty
> > good at testing I'd say), improving debug information and more.
>
> Ok.
>
> p.s. If my wording came across as implying any disrespect, sorry! I
> was
> making a general point, not thinking about how it might...
2019 May 09
3
RFC: On removing magic numbers assuming 8-bit bytes
...areas would also be a key factor.
>
>
> I'm not sure how to interpret that, but our team here at Ericsson
> is
> fairly large, we have been working with this out-of-tree backend
> since
> 2011 and as a group, we contribute to upstream e.g. by helping out
> with
> the fixedpoint upstreaming, by solving and filing TRs (we're pretty
> good at testing I'd say), improving debug information and more.
>
>
> Ok.
>
> p.s. If my wording came across as implying any disrespect, sorry! I
> was
> making a general point, not thinking about how it might b...
2008 Feb 02
0
Patch to make analysis data available.
...udio path, and also give users much more detailed information on
what part of their audio system they should improve.
It also adds a #define SPEEX_API_VERSION, which allows compile-time
checking and #ifdef'ing for whether these (and other new) functions are
available.
Last time I programmed fixedpoint was on a 68000, and that was democode
where speed>>>correctness.
I've compiled the library with both FIXED_POINT and FLOATING_POINT, and
verified that both give approximately the same results, but my conversion
of the weights in fixed-point desperately need some work.
--------------...
2019 May 06
3
RFC: On removing magic numbers assuming 8-bit bytes
On Mon, 6 May 2019 at 10:13, James Courtier-Dutton via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> Although the above is mentioning bytes, looking at the "/ 8" and "& 0x7" makes it look like the author meant octets and not bytes.
> Bytes can be any size of bits.
I don't think you'll have much luck trying to make that stick for a
general audience,
2006 Jul 30
34
ruby suitable for financial apps?
hi there,
I am about to embark on a mission critical financial web application,
and was wondering weather ruby on rails is the best fit for this type
of project.
More specifically I am worried about floating point errors. Would it be
more appropriate to use a more statically typed framework (.NET)?
thankyou.
--
Posted via http://www.ruby-forum.com/.