Can't hear anything from an AC3 movies, what did i do wrong :( Options

[sandymc]

I have converted several DTS movies into AC3 audio track, but none of them i could hear the sound when i play it using my WDTV (IMG:style_emoticons/default/sad.gif) please tell me what is wrong. below is the file information after conversion. ANy help will be much appreciated (IMG:style_emoticons/default/smile.gif) thanks

CODE

General
Complete name                    :
Format                           : Matroska
File size                        : 9.94 GiB
Duration                         : 2h 41mn
Overall bit rate                 : 8 804 Kbps
Encoded date                     : UTC 2010-07-12 16:07:33
Writing application              : mkvmerge v4.1.1 ('Bouncin' Back') built on Jul  3 2010 22:54:08
Writing library                  : libebml v1.0.0 + libmatroska v1.0.0

Video
ID                               : 1
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L4.1
Format settings, CABAC           : Yes
Format settings, ReFrames        : 4 frames
Muxing mode                      : Container profile=Unknown@4.1
Codec ID                         : V_MPEG4/ISO/AVC
Duration                         : 2h 41mn
Bit rate                         : 7 989 Kbps
Nominal bit rate                 : 8 171 Kbps
Width                            : 1 920 pixels
Height                           : 1 080 pixels
Display aspect ratio             : 16:9
Frame rate                       : 23.976 fps
Resolution                       : 24 bits
Colorimetry                      : 4:2:0
Scan type                        : Progressive
Bits/(Pixel*Frame)               : 0.161
Stream size                      : 9.01 GiB (91%)
Writing library                  : x264 core 93 r1542 5b86182
Encoding settings                : cabac=1 / ref=4 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / sliced_threads=0 / nr=0 / decimate=0 / interlaced=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=3 / wpredb=1 / wpredp=2 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=30 / rc=2pass / mbtree=1 / bitrate=8171 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00

Audio
ID                               : 2
Format                           : AC-3
Format/Info                      : Audio Coding 3
Codec ID                         : A_AC3
Duration                         : 2h 41mn
Bit rate mode                    : Constant
Bit rate                         : 640 Kbps
Channel(s)                       : 2 channels
Channel positions                : L R
Sampling rate                    : 48.0 KHz
Stream size                      : 740 MiB (7%)
Title                            : English AC3 1509kbps

Text #1
ID                               : 3
Format                           : UTF-8
Codec ID                         : S_TEXT/UTF8
Codec ID/Info                    : UTF-8 Plain Text
Title                            : English

Text #2
ID                               : 4
Format                           : UTF-8
Codec ID                         : S_TEXT/UTF8
Codec ID/Info                    : UTF-8 Plain Text
Title                            : English