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No longer outputs audio from cable box. Code "PCM 2.0" on display after setting volume

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PCM just means the type of audio it is. The 2 means stereo! Does the unit have a choice of audio outputs IE digital or linear?

Posted on Sep 11, 2009

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No hdmi audio output except Roku 2.


You didn't mention whether you switched inputs on your TV for the different devices. Fix could be that simple.

Apr 30, 2016 | RCA Televison & Video

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Yamaha RX-V595 Receiver will play Dolby Digital 3/2.1 audio Blu-Ray disc with player set to bitstream but will not play DTS-HD 3/2.1 unless output is set to PCM. Is this an issue with the Yamaha Recei


The optical connection (SPDIF) doesn't have enough bandwidth to transfer DTS-HD audio. To use DTS-HD, you must connect the blue-ray player and receiver via HDMI cable.

Each DTS-HD audio track on blue-ray includes also "normal" DTS audio, which is probably used when you select PCM. Player decodes it and sends decoded (non-HD) audio via optical cable to receiver.

Nov 17, 2014 | Yamaha RX-V595 Receiver

1 Answer

When i install application or games on my sony ericsson aino it display operation failed, how can i fix this?


Sony IC RECORDER ICD BX-800 (!without USB connection!)

What you need:
- newests audio drivers in Windows 7 (updated audio-drivers)
- audio cable 3,5 M (male) both ends M-M (male-male)
- freeware application Audacity for Windows (with LAME)

Howto step by step:
- one end of audio cable connect to dictaphon's headset (earphones) jack in recorder Sony IC RECORDER ICD BX-800
- other end of audio cable connect to PC/notebook microphone (or LINE IN)
- nothing special setup (adjust) regarding Audio in Windows 7, the device for record Audio keep Microphone (default)
- in Audacity set very little volume "Input Volume Slider" and "Output Volume Slider" (for example both 0,1)
- in Audacity like Input Device set "Input (Audio device High Definition Audio)": !Don't set in Audacity like Input Device "Microphone"!
- Audio Host: MME
- Output Device set "Speakers (Audio device)"
- Input Channels set "2 (Stereo) Input"
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Jul 10, 2013 | Audio Players & Recorders

1 Answer

My PS3 will not play sound on my Sony Bravia HDX275 surround sound system. I have the HDMI cable plugged from the PS3 to the TV. I have another HDMI cable from the receiver to the TV as well as a opitcal...


Hello,

Adjust the system's audio output settings. These settings are mainly used when the system is connected to audio devices that support digital audio output, such as AV amplifiers (receivers) for home entertainment systems.
1.
Confirm the formats supported by your audio device.
Settings vary depending on supported formats. For details, refer to the instructions supplied with the audio device.
2.
Select in_soundset.gif (Sound Settings) under in_setting.gif (Settings) in the home menu.
3.
Select [Audio Output Settings].
4.
Select the input connector on the audio device. Channel numbers and audio formats that are supported vary depending on the connector in use.
soundoutput001.jpg Input connectors on the TV or AV amplifier (receiver) PS3™ system output connectors Channels that can be used for output 2 Ch. 5.1 Ch. 7.1 Ch. HDMI HDMI OUT connector in_maru.gif in_maru.gif in_maru.gif Digital Out (Optical) Digital Out (Optical) connector in_maru.gif in_maru.gif - Audio Input Connector / SCART / AV MULTI AV MULTI OUT connector in_maru.gif - - 5.
Select audio output formats.
Select all output formats that are supported by the audio device in use. If [Audio Input Connector / SCART / AV MULTI] is selected in step 4, the screen for selecting audio output formats will not be displayed. If [HDMI] is selected, you can also select to automatically set the audio output format. (In this case, the HDMI device must be turned on.)
soundoutput003.jpg 6.
Check your settings.
You can go back to the previous screen and revise the settings by pressing the in_left_key.gif button.
soundoutput002.jpg 7.
Save your settings.
The audio output settings are saved on the system.
Hints
  • [Linear PCM 2 Ch.] audio is set to be output from all output connectors by default. If you change the audio output settings, audio will be output only from the connectors that were set.
  • If you change the audio output settings, the system will no longer be able to output audio from multiple output connectors at the same time. For example, if your system is connected to a TV via an HDMI cable and to an audio device via a digital optical cable and you switch to [Digital Out (Optical)] under [Audio Output Settings], audio will no longer be output from the TV. To output audio from the TV, switch the setting to [HDMI], or select in_setting.gif (Settings) > in_soundset.gif (Sound Settings) > [Audio Multi-Output] and set the option to [On].
  • If you select [Linear PCM 2 Ch. 88.2 kHz] or [Linear PCM 2 Ch. 176.4 kHz] in step 5, sound may be intermittent or may not be emitted from some audio devices.
  • When using an HDMI cable, only [Linear PCM 2 Ch.] audio will be output from PlayStation®2 and PlayStation® format software. To output Dolby Digital or DTS audio, you must connect the PS3™ system and the audio device using a digital optical cable and switch to [Digital Out (Optical)] under [Audio Output Settings].
  • If a device that is not compatible with the HDCP (High-bandwidth Digital Content Protection) standard is connected to the system using an HDMI cable, video and/or audio cannot be output from the system.
(Information taken from here)

Hope it helped.

Nov 18, 2009 | Sony Playstation 3 (PS3) Console

2 Answers

Low volume on LG HDTV


I encountered the same thing using the HDMI interface on my new TWC cable box (Motorola DCX-3200). After a little bit of research, I finally fixed it by changing the digital audio mode in the cable box using this procedure:

1. Be sure the TV is on and connected to the cable box.
2. Using the cable box remote turn power OFF.
3. Immediately press the MENU key on the remote. The USER SETTINGS menu should appear on the TV screen.
4. Select the ADDITIONAL HDMI SETTINGS >>> menu item.
5. The ADDITIONAL HDMI SETTINGS menu will appear.
6. Scroll to the AUDIO OUTPUT item and select this.
7. Change the setting from AUTO to L-PCM.
8. Return to the main page
9. Using the remote, cycle power OFF.
10. When the cable box is turned on again, you should be good to go.

I realize these instructions are specific to the DCX-3200, but there may be a similar setup option available in your cable box as well.

The problem here is that the cable box is by default configured to use Dolby Digital audio, which requires an additional 10dB of headroom to deal with the boosted LFE channel. If the cable operator hasn't taken pains to set the system up correctly (and most haven't, apparently), the digital audio level sent on the HDMI interface will be approximately 11dB down from normal analog line levels on the HDTV channels. Changing to straight linear PCM sets the TV receiver audio level on the HDTV channels to match the levels on the non-HD channels.

The only problem with this fix is that if you intend to feed a Home Theater receiver that uses Dolby Digital processing with the cable box output you will lose the Dolby encoding feature and be forced into straight 2-channel stereo. For a simple installation like mine where I'm just feeding the TV, this fix works fine. If you have a more complex setup that takes advantage of Dolby Digital features (when it's available in program material), you may have to live with the problem.

For a technical reference on why this happens, see http://www.megahz.com/specimages/Dolby/LM100%20Cable%20App%20Note%2011-05.pdf

Hope this is useful.

May 19, 2009 | LG 37LG30 37 in. LCD HDTV

2 Answers

Volume trouble with 37LG30


well if you want to get rid of he tv i offer to buy it from you
Habunoki@yahoo.com

Feb 03, 2009 | LG 37LG30 37 in. LCD HDTV

1 Answer

PCM vs Dolby Digital


OK, I just figured this out. Go to the audio options in your DVD player and switch from pcm to bitstream. Now my movies sound right again.

Nov 16, 2008 | Onkyo TX-DS575 Receiver

1 Answer

Onkyo HT R510 is broadcasting all digital and 5.1 from the cable box as pcm


Chances are that Time Warner is just plain wrong. That's what you get with free tech supp....oh, uh right. scratch that.

Your receiver seems to be receiving a 2-channel digital audio signal (PCM) from the cable HD box. With this type of input signal, you can't select Dolby Digital on the receiver.

If you have a Scientific Atlanta 8300 (or a closely similar model):
Press [Settings] button on the remote twice. This will open the General Settings menu. Go to "Audio: Digital Out" and the select Dolby Digital (by hitting [-> Move Right]).

If you have another type of cable box, just review the settings menus until you find something relevant to digital audio out and avoid PCM, stereo or "down conversion", but look for Dolby Digital, DTS or "All".

Please keep in mind, that when connecting devices via HDMI cables, your box may decide it's smarter than you and reset the format of the digital audio back to PCM. This is some possibility of this occurring if the cable box or TV is unplugged and plugged back in.

If you have problems, add the cable box make and model and let me know.

May 13, 2008 | Onkyo HT510 Receiver

2 Answers

PCM 2.0


I had the same problem with my 321 system. The fix is in the cable box settings. You want to change the Digital Out on the cable box..my choices were HDMI....Dolby Digital..and None. Choose Dolby Digital and it will show up on your Bose 321 display. I also have my cable box connected to my bose system via optical digital cable...and a digital coaxel cable from my dvr to my bose. Change that output setting on my cable box took care of the PCM 2.0 problem for me.

Dec 19, 2007 | Audio Players & Recorders

1 Answer

Does not decode Dolby Digital 5.1 from my cable box


If you have an HDMI cable plugged into the cable box it may only output 2.0 on the digital audio output. Set the HDMI audio to off or 2.0 and then set the cable digital out to Dolby.

Sep 01, 2007 | B&K AVR-507 Receiver

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