Displaying 20 results from an estimated 4000 matches similar to: "Decoding multiple encoded frames"
2008 Oct 09
2
Decoding multiple encoded frames
Jean-Marc Valin wrote:
>
>
> The decoder will return -1 if it can't decode anything else, so you just
> do something like:
>
> while(1) {
> err = speex_decode_int(state, bits, pcm);
> if (err==-1)
> break;
> output_data(pcm);
> }
I think I still didn't fully understand. As a test I encoded some frames
(wideband, with quality set to 8),
2008 Oct 07
0
Decoding multiple encoded frames
Darren Longhorn a ?crit :
> Hi,
>
> I've been looking at using speex over RTP. Section 3.3 of
> draft-ietf-avt-rtp-speex-05 states that:
>
> "For the purposes of packetizing the bit stream in RTP, it is only
> necessary to consider the sequence of bits as output by the Speex
> encoder [speex_manual], and present the same sequence to the decoder."
>
>
2008 Oct 14
2
Decoding multiple encoded frames
Keith Kyzivat wrote:
> Caveat: Take what I'm saying with a grain of salt -- I haven't actually
> written any code that decodes speex frames myself, though I have written
> code using Jean-Marc's Speexdsp lib.
>
> Comments below inline
>
> On Thu, Oct 9, 2008 at 9:28 AM, Darren Longhorn
> <darren.longhorn at redembedded.com
> <mailto:darren.longhorn at
2007 Jun 07
1
draft-ietf-avt-rtp-speex-01.txt
Looks good to me.
Jean-Marc
Alfred E. Heggestad a ?crit :
> Hi
>
> Please find an updated version of the Speex I-D attached. The only
> change is addition of the copyright conditions in Appendix A,
> as requested by Ivo.
>
> Many thanks for your input.
>
> I will give you a few more days before submitting to AVT working group
>
>
> /alfred
>
> Ivo
2008 Apr 21
3
Decoding multiple Speex frames
Hello,
Could you please explain or send an example for decoding a packet that contains multiple Speex frames.
According to the API document the speex_decode_int() decodes only one frame of speech.
Best regards,
Danny Peled
R&D Software Engineer
Intelligence Solutions
NICE Systems Ltd. ISRAEL
*+ (972) 9 769 7161
? + (972) 54 4 602840
*Danny.Peled at nice.com <mailto:*Danny.Peled at
2007 May 29
0
draft-ietf-avt-rtp-speex-01.txt
Alfred E. Heggestad wrote:
> <...>
>
> If we don't get any comments in 1 week (by 22. May 2007) we will go ahead
> and submit it to the IETF. Of course you can comment on it also after it
> has been submitted, but we would like to get the input from the Speex
> community first..
>
thanks for all the input. please find attached an updated version of the draft.
I
2007 May 30
5
draft-ietf-avt-rtp-speex-01.txt
Do not forget to add the "Copying conditions" to the RFC.
Check http://wiki.debian.org/NonFreeIETFDocuments
That page contains a section titled "Template for RFC authors to
release additional rights". To follow that guideline a
section like the following should be added:
x. Copying conditions
The author(s) agree to grant third parties the irrevocable
right to
2007 Jun 07
0
draft-ietf-avt-rtp-speex-01.txt
Hi
Please find an updated version of the Speex I-D attached. The only
change is addition of the copyright conditions in Appendix A,
as requested by Ivo.
Many thanks for your input.
I will give you a few more days before submitting to AVT working group
/alfred
Ivo Emanuel Gon?alves wrote:
> Do not forget to add the "Copying conditions" to the RFC.
>
> Check
2008 Apr 30
1
decode problem
Hi
I am using first time speex library, and this is my first problem. I need to
decode AMR-NB packet to PCM. I read all manual instruction and I wrote these
simple lines of code.
bool CMMediaObj::AmrInit()
{
speex_bits_init(&bits);
destate = speex_decoder_init(&speex_nb_mode);
int tmp=1;
speex_decoder_ctl(destate, SPEEX_SET_ENH,
2005 Aug 12
1
Encode/Decode problem
I'm trying to use the speex API, and I think I'm missing something. I'm
running on Mac OSX Tiger, and the attached microphone is a iSight. If I
call the "speex_encode_int" function, and then immediately call the
"speex_decode_int" function, shouldn't I get back the same data? i.e.
in my example code, shouldn't the two arrays contain at least similar
2007 May 16
3
draft-ietf-avt-rtp-speex-01.txt
>> Consider a device that only has enough ROM to store one set of
>> quantization tables (the limitation could also be about speed, network,
>> ...). If you specify MUST be able to decode, then it means that this
>> device simply *cannot* implement the spec *at all*. This is bad for
>> interoperability.
>
> For me: device which don't have all mode
2012 Jan 18
1
data rate / sample rate
Oh I overlooked that one.. Thanks Darren!
Btw, I was wondering if anyone has tried using the echo canceller function
of speex with other codec like g.711?
On Tue, Jan 17, 2012 at 8:32 PM, Darren Longhorn <
darren.longhorn at redembedded.com> wrote:
> On 14/01/12 12:26, Christopher Adoremos wrote:
>
> What is the highest quality audio data rate and sample rate Speex can
>
2005 Dec 06
1
problems decoding speex... please help
Hi all. I'm trying to decode speex using version 1.1.10's libspeex with
fixed_point enabled. copied the sample in the manual (1.1.11) with minor
revisions. While running the program, encountered this warning:
"Packet is larger than allocated buffer : 38"
when calling speex_bits_read_from (&bits, cbits, nBytes)
then my program terminated unexpectedly with errors (Unhandled
2010 Apr 01
2
Regarding problem with encoding / decoding
Hi,
I am new to speex library. I am doing project in VC++. My project details are,
I have to capture voice from mic and encode it then decode and play.
I am capturing the voice and storing in a buffer from there i am reading frame by frame ( 160 bytes) . These bytes i am converting to short int then calling speex_encode-int(). The output buffer i am passing to doder speex_decode_int() function.
2007 Jun 01
2
Decoder and discarded frames..., system hangs
Do i always need to tell the decoder that some packets has been lost?
I noticed that if i discard packets without passing NULL and advising the decoder, sometimes my system hangs and i need to reset my PDA.
Since the decoder is mantaining a state, i suppose i always need to tell it a packet has been discarded through a sequence number check. Or can i just pass to speex_decode_int whatever i
2012 Jan 14
2
data rate / sample rate
What is the highest quality audio data rate and sample rate Speex can
support?
--
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2014 Jun 24
1
Speex Decoding Issue
Dear Speex community,
I am having problems to get the Speex Decoding API to work properly in our project.
I am working in an embedded project with a very limited RAM and Flash memory and would like to use Speex encoded files to save memory while having good voice sounds in our speakers.
I have developed a Windows-based tool to convert WAV files to Speex files in packets of 160 bytes (we are
2007 May 15
4
draft-ietf-avt-rtp-speex-01.txt
Hi all
We are about to send an updated version of the internet draft
"RTP Payload Format for the Speex Codec" to the IETF AVT working group.
Before submitting we would like your input, if you have any comments
or input please send them to the mailing list.
If we don't get any comments in 1 week (by 22. May 2007) we will go ahead
and submit it to the IETF. Of course you can comment
2010 Apr 05
2
Regarding problem with encoding / decoding
Hi,
Tank you for your reply. I have tried the sample programs given the manual and done encoding and decoding a wave file. That is working fine. I have already read the manual and API reference. But this problem did not occured with the wave file encoding/decoding. While capturing the data from MIC and encoding/decoding is giving this problem.
Thanks and Regards,
Vijender Reddy,
-----
2008 Mar 25
0
No subject
1. You pass in half the samples as the 'bits' arg. Speex looks at 1
frame worth of those bits and decodes them, decoded result in 'pcm'.
2. You pass in exactly 1 frame of data as the 'bits' arg. Speex looks at
1 frame worth of those bits (which is all there, exactly), decodes them,
stores decoded result in 'pcm'.
3. You pass in 2 frames of data as