Audio file problem...

    Hello

    I want mod the "greeting" sound of svxlink for have a personal "greeting" but i have a problem for play the wave...

    I use SOUND FORGE

    And i have this :

    WARNING: Illegal WAV file header. ChunkSize should be Subchunk2Size plus 36: /usr/share/svxlink/sounds/en_US/EchoLink/greeting.wav


    my mod greeting :

    File name greeting.wav
    File size 0,15 MB (147 224 bytes)
    File attributes - --a- ----
    Last saved 2013-06-18 16:03:24
    File type Wave (Microsoft)
    Audio format Uncompressed
    Audio sample rate 8 000
    Audio bit rate 128 Kbps
    Audio bit depth 16 bit
    Audio channels 1 (Mono)
    Audio length 00:00:09,179 (73 433 samples)

    And the original greeting is

    File name greeting.wav
    File size 0,18 MB (180 064 bytes)
    File attributes - --a- ----
    Last saved 2011-11-05 22:26:58
    File type Wave (Microsoft)
    Audio format Uncompressed
    Audio sample rate 8 000
    Audio bit rate 128 Kbps
    Audio bit depth 16 bit
    Audio channels 1 (Mono)
    Audio length 00:00:11,251 (90 010 samples)

    Have you idea for the "ChunkSize should be Subchunk2Size plus 36" ?

    73 Thierry

    Hi Thierry,

    I think it's better to ask this question via the developer mailinglist: svxlink-devel@lists.sourceforge.net
    Sorry, no idea at the monent. I generate the wav's online or with linguatec and change the samplerate with audacity and never had any problems :)

    73's de Adi, DL1HRC

    BTW: changing samplerates is quite easy:

    Code
    sox original.wav -r 16000 destination.wav

    to re-sample a file to 16k.
    If you do not have any success, please send me your original file.

    vy 73's de Adi, DL1HRC

    there are some wav-file-formats defined, which have an additional comment and information area. These audio files are not accepted by svxlink.
    Be sure not to have these comment fields inside the audio file:
    Hve a look at binary file with hex editor. You will find - as an example:

    Code
    00000000  52 49 46 46 a0 af 01 00  57 41 56 45 66 6d 74 20  |RIFF....WAVEfmt |
00000010  10 00 00 00 01 00 01 00  40 1f 00 00 80 3e 00 00  |........@....>..|
00000020  02 00 10 00 4c 49 53 54  18 00 00 00 49 4e 46 4f  |....LIST....INFO|
00000030  49 43 4d 54 0c 00 00 00  53 53 42 20 32 6b 37 2d  |ICMT....SSB 2k7-|
00000040  32 37 30 00 64 61 74 61  5c af 01 00 01 00 fd ff  |270.data\.......|


    The only allowed portions are:
    RIFF WAVEfmt and the data part starting at 0024h with the word "data" and followed by the audio data

    In the above example you can find an additional part "LIST" at position 0024h, which is not recognized by svxlink. The "data"-part starts at 0044h!