Spdif audio problem

[alexgondim]

Hi folks,

I am trying to use my BB conected with Samsungs Home Theater HT-Z210 that have these specifications:

Audio resources:

Dolby Digital Yes
Dolby Pro Logic II Yes
Dolby Pro Logic IIx No
Dolby Digital EX No
Dolby Digital Plus No
Dolby True HD No
DTS Yes
DTS ES Discrete 6.1 No
DTS 96/24 No
DTS Neo 6 No
HD DTS No

I am trying to watch an MKV video that when I play it with the audo setting in BB in HDMI output the sound is ok, but when I change it to Spdif output I do not have sound. Not even the sound of the menu. Here is the info of the file that I am playing:

Geral
UniqueID/String : 190388264264521262139140268767736449779 (0x8F3B7227DBD26817BE0412C71E0F4AF3)
Nome completo : Z:\Filmes HD\Os.Smurfs.2011.BLuray.mkv
Formato : Matroska
Versão do Formato : Version 2
Tamanho do arquivo : 11.0 GiB
Duração : 1h 42mn
Taxa de Bits Total : 15.4 Mbps
Data da codificação : UTC 2012-07-10 22:07:22
Programa usado : mkvmerge v5.6.0 ('Kenya Kane') built on May 27 2012 16:44:04
Biblioteca usada : libebml v1.2.3 + libmatroska v1.3.0

Vídeo
ID : 1
Formato : AVC
Formato/Informações : Advanced Video Codec
Perfil do Formato : High@L4.1
Conf do Formato, CABAC : Sim
Conf do Formato, Quadros de Ref. : 4 quadros
Modo de Multiplexação : Header stripping
ID do Codec : V_MPEG4/ISO/AVC
Duração : 1h 42mn
Taxa de bits : 13.1 Mbps
Largura : 1 920 pixels
Altura : 1 080 pixels
Proporção da imagem : 16:9
Taxa de quadros : 23.976 fps
ColorSpace : YUV
ChromaSubsampling : 4:2:0
BitDepth/String : 8 bits
Tipo de Scan : Progressivo
Bits/(Pixels*Quadros) : 0.264
Tamanho da Faixa : 9.42 GiB (85%)
Biblioteca usada : x264 core 116 r2074 2641b9e
Configurações de codificação : cabac=1 / ref=4 / deblock=1:-1:-1 / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / psy_rd=0.20:0.00 / mixed_ref=1 / me_range=64 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-1 / threads=9 / sliced_threads=0 / nr=0 / decimate=0 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=12 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=360 / keyint_min=3 / scenecut=40 / intra_refresh=0 / rc_lookahead=160 / rc=crf / mbtree=1 / crf=16.5 / qcomp=0.65 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=2:0.70
Idioma : Inglês
Default : Sim
Forced : Sim

Áudio #1
ID : 2
Formato : AC-3
Formato/Informações : Audio Coding 3
Format_Settings_ModeExtension : CM (complete main)
Conf do Formato, Endianness : Big
Modo de Multiplexação : Header stripping
ID do Codec : A_AC3
Duração : 1h 42mn
Modo da taxa de bits : Constante
Taxa de bits : 448 Kbps
Nº de canais : 6 canais
Posições dos canais : Front: L C R, Side: L R, LFE
Taxa de amostragem : 48.0 KHz
BitDepth/String : 16 bits
Tamanho da Faixa : 329 MiB (3%)
Idioma : Português
Default : Sim
Forced : Sim

Áudio #2
ID : 3
Formato : DTS
Formato/Informações : Digital Theater Systems
Modo de Multiplexação : Header stripping
ID do Codec : A_DTS
Duração : 1h 42mn
Modo da taxa de bits : Constante
Taxa de bits : 1 510 Kbps
Nº de canais : 6 canais
Posições dos canais : Front: L C R, Side: L R, LFE
Taxa de amostragem : 48.0 KHz
BitDepth/String : 24 bits
Tamanho da Faixa : 1.08 GiB (10%)
Idioma : Inglês
Default : Não
Forced : Não

Texto
ID : 4
Formato : UTF-8
ID do Codec : S_TEXT/UTF8
ID do Codec/Informações : UTF-8 Plain Text
Idioma : Português
Default : Sim
Forced : Não

Menu
00:00:00.000 : en:Chapter.01
00:04:49.205 : en:Chapter.02
00:11:22.765 : en:Chapter.03
00:18:29.775 : en:Chapter.04
00:23:44.589 : en:Chapter.05
00:29:25.096 : en:Chapter.06
00:35:03.351 : en:Chapter.07
00:40:56.287 : en:Chapter.08
00:46:05.471 : en:Chapter.09
00:53:23.450 : en:Chapter.10
00:59:29.941 : en:Chapter.11
01:03:43.194 : en:Chapter.12
01:08:16.550 : en:Chapter.13
01:12:53.702 : en:Chapter.14
01:20:37.541 : en:Chapter.15
01:30:51.737 : en:Chapter.16

[darcilicious]

What are your Audio settings on the Boxee Box? (Settings>>System>>Audio)

[alexgondim]

Audio Output: Digital (S/PDIF)
- Dobly Digital capable receiver (check)
- DTS capable receiver (check)
- Dobly Digital Plus capable receiver (unavaible)
- Doble TrueHD capable receiver (unavaible)
- DTS-HD capable receiver (unavaible)
- LPCM 7.1 capable reciever (unavaible)
Control volume during playback (when possible) (check)

Boxee version 1.5.1.23735-b6a5be1

[twistybox]

Bad optical cable is my best guess.

[alexgondim]

Well, I have checked here and the optical cable is ok. It is a 33 ft. cable and then I conect it into the HT by another cable. There is any chance that the signal is arriving with low potence? Do you think that a signal booster could help me?