search for: bitrates

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2017 Aug 23
3
Change bitrate
El mié, 23-08-2017 a las 14:13 +0200, Marvin Scholz escribió: > > On 23 Aug 2017, at 14:08, José Luis Artuch wrote: > > > Hello, good morning ! > > Running Icecast2 and Ices2 with live audio from Line IN, what is > > the > > correct way to change the bitrate ?. > > In the Icecast2 configuration file I set: > > > > <mount
2004 Aug 06
3
ices bitrate encoding mode?
I have got ices running with quality -1 (and on my roommates crappy computer speakers it sounds damn near the real thing - better than FM radio anyway)... I'm just wondering if it's posible to configure it with a maximum bitrate, or a nominal bitrate. i.e. to use managed bitrates instead of quality (I know it's a no no, but this is streaming!). Mark <p>--- >8 ---- List archives: http://www.xiph.org/archives/ icecast project homepage: http://www.icecast.org/ To unsubscribe from this list, send a message to 'icecast-request@xiph.org' containing only t...
2017 Aug 23
2
Change bitrate
Hello, good morning ! Running Icecast2 and Ices2 with live audio from Line IN, what is the correct way to change the bitrate ?. In the Icecast2 configuration file I set: <mount type="normal"> ????<mount-name>/entzun.opus</mount-name> ????<bitrate>128</bitrate> </mount> But it seems that is not enough since the bitrate does not change. Receiving the
2008 Sep 15
2
Bitrate Question
Hello developers, I have a question about supported bitrates for SPEEX. Regardless of whether I specify a 10kbps or a 8kbps bitrate, the encoded .spx file is the same size and have the same PESQ value. This makes me wonder if SPEEX supports arbitrary bitrates, or only a certain set. A few more details about my configuration: I am using SPEEX encoder versi...
2005 May 06
2
Encoder performance on ARM9
Hi there, I've just started to work with the great speex encoder on ARM9-based embedded platform. This is my configuration: CPU: Cirrus Logic EP9315 @ 200 MHz (ARM920T) o.s.: Linux 2.6.9-rc2-ep93xx GCC: gcc version 3.3.3 (DENX ELDK 3.1 3.3.3-10) without MaverickCrunch support ogg library: 1.0 speex command line configuration: ./configure --enable-fixed-point --enable-arm4-asm The code is
2004 Oct 14
1
Question on Quality factor, Bitrate and decode table
...hments/20041014/25f999a2/attachment.htm -------------- next part -------------- ? dear All, Iam working on OGG VORBIS TREMOR code to port and optimize on ARM processor. Can any one make me clear regarding the relation ship between this 1. What is the relation ship between Quality factor and Bitrates? As vorbis is a VBR algorithm, many bitrates will be selected encode and decode a stream? If so how quality factor is related to bitstream? 2. In many web pages(I dont have the links to pages) related to Ogg Vorbis information I read higher the bitrate we select, the...
2004 Aug 06
1
ices bitrate encoding mode?
...;I have got ices running with quality -1 (and on my roommates crappy computer >speakers it sounds damn near the real thing - better than FM radio anyway)... > >I'm just wondering if it's posible to configure it with a maximum bitrate, or >a nominal bitrate. i.e. to use managed bitrates instead of quality (I know >it's a no no, but this is streaming!). > Yep. I had a bug report that it was crashing though - I haven't looked into it yet. Might be only with mis-configured setups. Just specify (instead of <quality>3</quality>), any of: <nominal-bitr...
2015 Jan 22
2
Opus for speech: VBR vs CBR
Hi guys, I'm using Opus for speech in wide-band mode (sampling rate 16000) and 20ms frames with signal type set to SIGNAL_VOICE. I have a few questions here: 1. When I choose VBR mode, the codec seems to choose the bitrate on its own. However, that seems to be an issue on mobile devices. In some cases, when I configure the bitrate to say 20kbps, I see that the outgoing codec bitrate at
2017 Aug 23
3
Change bitrate
El mié, 23-08-2017 a las 14:42 +0200, Marvin Scholz escribió: > > On 23 Aug 2017, at 14:40, José Luis Artuch wrote: > > > El mié, 23-08-2017 a las 14:13 +0200, Marvin Scholz escribió: > > > > > > On 23 Aug 2017, at 14:08, José Luis Artuch wrote: > > > > > > > Hello, good morning ! > > > > Running Icecast2 and Ices2 with live
2004 Aug 06
2
Bitrate in encoder
Hi, I'm using the latest version of libspeex (checked out today) and have some problems with checking the target bitrate in the encoder. Calling: peex_encoder_ctl(globals->enc_state,SPEEX_GET_BITRATE, &bitrate); Seems to set bitrate to 24600 no matter what the qualitysetting is.. The functions used previous to this call is: peex_bits_init(&globals->bits);
2005 May 20
2
Experimental Bitrate peeler
Hi All, As specified in earlier email we have released the trial version of the ogg vorbis decoder. Along with the decoder we have released an experimental version of the bitrate peeler that we have used to test the decoder for bitrate peeled inputs. We have made the executable of the bitrate peeler available from our website downloads section. www.vinjey.com/ogg_downloads.html
2004 Aug 06
1
Speex configuration
Hi, I'm trying to cover all Speex configuration options to set quality/mode/bitrate in my application and I was wondering if the following all makes sense: - abr_bitrate - use average bitrate and set it using bitrate parameter - SPEEX_SET_ABR - cbr_bitrate - use constant bitrate and set it using bitrate parameter - SPEEX_SET_BITRATE - cbr_mode - use constant bitrate and
2004 Dec 28
5
bitrate limits don't work with -q settings?
I'm sorry if this question has been asked before; I've looked through the archives and haven't seen anything. The problem I'm seeing is that oggenc's VBR encoding doesn't seem to pay attention to any sort of bitrate limitation, either the -m or bitrate_hard_min settings. It isn't that it temporarily dips below the minimum; the average for the whole (in this case,
2018 Oct 18
1
Is OPUS_AUTO the default for an encoder's bitrate?
I had expected that the default bitrate for the encoder would be the same as setting it to OPUS_AUTO, but I'm getting difference results: >opusenc --comp 4 sample.wav sample.opus Encoding using libopus 1.3-rc2 (audio) ----------------------------------------------------- Input: 8 kHz, 1 channel Output: 1 channel (1 uncoupled) 20ms packets, 25 kbit/s VBR Preskip: 312
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
2002 Dec 04
2
docs question
hello, i have a question about the documentation: oggenc --help says: -b, --bitrate Choose a nominal bitrate to encode at. Attempt to encode at a bitrate averaging this. Takes an argument in kbps. This uses the bitrate management engine, and is not recommended for most users. See -q, --quality for a
2003 Jul 01
4
Virgin Radio now on ices2 - yp not working though
This afternoon I've transferred our Ogg Vorbis Icecast2 streams from darkice to the ices2 encoder. Apologies if you were trying to listen; I had to stop and start the streams a few times. They should be stable now as I'm off down the pub now! As a reminder, the URL for the streams is at http://www.virginradio.co.uk/thestation/listen/ogg.html. Ices2 takes slightly different parameters to
2010 Apr 03
2
Default bitrate
Randy Yates <yates at ieee.org> writes: > The speexenc.c example has a "--bitrate n" command line option, but I > can't find in the Speex Codec manual where the default bitrate is > defined. > > What is the default bitrate for 16 kHz mono? Also here are a few other bitrate-related questions: 1. Does average bitrate mode ==> variable bitrate mode? 2.
2004 Aug 06
0
ices bitrate encoding mode?
...;val</minimum-bitrate> > along with > <managed>1</managed> > Could you please submit a full <instance> example for those of us who still can't get managed bitrate encoding working correctly. In addition, I'm getting a segmentation fault when encoding at bitrates <= 44000. Is this a known issue or a limitation? Using gdb (gdb ices) I get: (gdb) run ices-playlist.xml Starting program: /usr/local/bin/ices ices-playlist.xml [New Thread 1024 (LWP 7503)] [New Thread 2049 (LWP 7504)] [New Thread 1026 (LWP 7505)] Program received signal SIGSEGV, Segmentati...
2004 Aug 06
1
Is it OK ?
Hi all, I run a CVS version (i dont remember exactly when did i got it )of Ices2/ Icescast2 on a slackware Linux box . I put this section into the Ices2 conf file : [...] <encode> <samplerate>22000</samplerate> <channels>1</channels> <quality>0</quality> <managed>1</managed> <nominal-bitrate>35000</nominal-bitrate>