Hi Paul, Sorry about this being a group post, but, oh well, if anyone else cares to comment, I'd be interested. I tried to email you, Paul, but the system...
15815
dl4yhf
Jun 1, 2010 9:36 pm
Hello Paul, I thought I had downloaded your test sample (test2.dat) but today noticed the downloaded file was in fact just an error message with this content: ...
15816
Paul
paul@...
Jun 2, 2010 5:52 am
My mistake Wolf, the URL was wrong, should be /vlf/live/test2.dat 108380 bytes. -- Paul Nicholson --...
15817
Paul
paul@...
Jun 2, 2010 7:43 am
I just unsubscribed from the RSGB LF group, they are reduced to silly arguments and exchanging insults. If there's further amateur 9kHz activity, perhaps...
15818
Paul
paul@...
Jun 2, 2010 7:52 am
Wolf, et al, The reason I am using an outer container around the ogg/vorbis is that I didn't have time to read the ogg documentation. I just wanted to get...
15819
dl4yhf
Jun 2, 2010 9:50 am
Hello Paul and group, ... Oh yes.. the more I read about ogg streaming, the more I like this method - so let's take some time to learn more about this (I try...
15820
Paul
paul@...
Jun 2, 2010 10:13 am
... Agreed. Additional multiplexed streams are identified by a 32 bit 'bitstream serial number'. Have to find out how/who allocates these, whether we can...
15821
David Hine
evad_hine
Jun 2, 2010 12:52 pm
Paul -This is the best low frequency group. Dave Hine G4DIG ... From: Paul...
15822
Paul
paul@...
Jun 2, 2010 1:08 pm
... According to http://www.xiph.org/ogg/doc/rfc5334.txt the stream type involves a text identifier at the beginning of the first header page. So we can just...
15823
Paul
paul@...
Jun 2, 2010 3:22 pm
Been reading docs. I become further impressed with ogg, how easy to use, etc. Some notes for encode/decode two streams... Decoder ... One ogg_sync_state to...
15824
Paul
paul@...
Jun 3, 2010 9:49 am
It works (despite a couple of pints too many last night) ! http://abelian.org/vlf/srvorbis.c Timestamp data on stream 0, vorbis on stream 1. mplayer reports: ...
15825
dl4yhf
Jun 3, 2010 10:15 am
... Works well with 'Media Player Classic under windoze, and (hipp-hipp hooray) with the currently developed version of Spectrum Lab, although I didn't try to...
15826
Paul
paul@...
Jun 3, 2010 10:44 am
... We might try reversing the order in which the stream headers are sent. I'm sending the SR header first, then the vorbis headers. Maybe VLC will work if...
15827
Paul
paul@...
Jun 3, 2010 12:17 pm
... I tried it now instead. SR headers first, then vorbis headers (as before): http://abelian.org/vlf/live/test4a.ogx Vorbis headers first, then SR headers: ...
15828
Paul
paul@...
Jun 3, 2010 2:52 pm
I notice a little problem may exist with the main loop of the demuxer: while( 1) { char *buffer = ogg_sync_buffer( &oy, 4096); int bytes = fread( buffer, 1,...
15829
dl4yhf
Jun 3, 2010 6:57 pm
... Both files play without any issues with 'media player classic' ( http://en.wikipedia.org/wiki/Media_Player_Classic ) . None of the files plays with VLC...
15830
Paul
paul@...
Jun 3, 2010 7:33 pm
... I'll have a look at that. Could be because srvorbis.c is not cleanly finishing the stream - it just cuts off. That function may rely on a valid end to...
15831
dl4yhf
Jun 3, 2010 7:52 pm
... Yes, this one plays in any player I tried. Furthermore, the ov_pcm_seek() function works with this one, so one can play it in an endless loop without...
15832
Paul
paul@...
Jun 3, 2010 8:02 pm
I fixed the end of stream properly now. Three samples re-uploaded, now slightly larger thanks to the final flush. Maybe that will help VLC? It probably wants...
15833
dl4yhf
Jun 3, 2010 9:19 pm
... VLC : Plays a few milliseconds, then stops. WA (winamp, ancient version): Doesn't play. MPC (media player classic) : Plays the file completely. BTW,...
15834
dl4yhf
Jun 4, 2010 9:17 pm
FYI... message originally posted by DF6NM on the RSGB LF group. Dear LF, this morning, June 4th between 6 and 8 UT, Walter (DJ2LF) and myself (DF6NM) were able...
15835
EdgarBigDog
edgarbhmfa
Jun 4, 2010 11:41 pm
AWESOME!!!, Dudes, I knew it could be done! Now I want to try that with 100 Amps RMS into 3M X 3M loop! Blessings And Best Regards To All, Edgar ... (DF6NM)...
15836
Paul
paul@...
Jun 5, 2010 7:24 pm
Turns out to be very easy to link srvorbis to libshout and send the pure ogg/vorbis to the stream server. Now testing srvorbis to icecast, E-field 32k/sec ...
15837
dl4yhf
Jun 5, 2010 10:20 pm
Thanks Paul - I just visited the libshout page to see that this is about (http://directory.fsf.org/project/libshout/), and saw that libshout requires(?-for...
15838
Brian
electricterra
Jun 6, 2010 4:44 am
Paul, You would undoubtedly be the best person to ask. I acqired a number of mini-computers new in the box. They can be used as a conventional computer like a...
15839
Brian
electricterra
Jun 6, 2010 5:22 am
Paul. I should add I have all the Linux drivers for these computers for the hardware....
15840
Paul
paul@...
Jun 6, 2010 7:44 am
... There is some protocol - for setup and authentication. For example: html, or xaudiocast, or icy. In this test I use html. There will be some headers...
15841
maniacly_depressed_ro...
maniacly_dep...
Jun 6, 2010 11:41 pm
Hi All, Thought to share some VLF recordings - still with some amateurish mistakes, pardon me - from a park in Budapest, Hungary. Recordings were made approx....
15842
alex161476
Jun 7, 2010 4:24 am
hi, I've found a strong VLF signal at 15725>15775 Hz It's just a peak on a computer graph no sound . At times it rises out 25 dB out of the noise. I'm unable...
15843
maniacly_depressed_ro...
maniacly_dep...
Jun 7, 2010 8:45 am
Dear All, I have been having problems when I have reinstalled SpecLab. I remember I had to do 'nothing special' to see the voiceprint of a soundfile playing in...
