I have a Roamio Plus, first TiVo I have owned, which replaced a Comcast HD tuner last fall.
On the Comcast tuner, my general listening level for my TV was set to 12 or Receiver -40db, as soon as I connected the TiVo I had to adjust my listening level to TV 20 or Receiver -30db. Same with the TiVo Mini in the bedroom, the TV went from 15 to 25.
I don't have much issue with increasing the volume from what I use to have it at, but this is only a symptom of a more annoying issue. I hear it more pronounced on certain channels, like CBS and Fox, but the audio is overmodulated, some voice distort when they hit certain tones, like male news casters or one that I notice a lot, Harold on CBS's Person of Interest.
Another sign that the Roamio has low volume is that I now have it passthrough the Xbox One and when going from TV watching to playing a game the volume of the Xbox is much louder than the Roamios volume, a volume level on par with what it would be with the Comcast tuner, so I must constantly adjust the volume as a transition between Xbox and TiVo or when I change inputs to old Xbox or DVD player.
I had a ticket open with TiVo about the issue, it sounds like the next step is to contact Comcast to check the line issues. I am just curious if anyone else has experienced this issue. I tried searching the forums and found some low volume threads, but none seem to be quite the same issue or mention any overmodulation.
Do you think it's line issue? A cablecard issue? Something Comcast can resolve or do you think this is just something with the TiVo?
Thank you :)
My ticket if it helps anyone:
Spoiler:
Quote:
Response (Corina) 02/25/2014 11:36 AM
Hello Ryan,
Thank you for the updated information you provided. I have read through the previous contacts as well and would be glad to continue helping you with your ongoing audio issue.
We don't have an in-home service available, although there are custom installers you can find at http://ift.tt/1prWWvU any time who may be able to help as well. However, there is still definitely a problem on the signal that you provided - the RS values should both be 0, while you reported a value over over 100,000 on one channel. RS values refer to errors on the cable line, and RS Corrected specifically can affect audio. We would want to try to improve this signal as much as possible, such as by using a different cable between the TiVo box and the cable from the wall to see if this affects the diagnostics at all. If it stays the same, or if it's only a few channels that seem to be affected, you may need to contact Comcast to make sure the incoming signal is clean. As their cable boxes interpret signal a little differently from the TiVo box, it may not be evident from all devices.
With that in mind, are the audio issues also occurring when using the apps such as YouTube or Netflix? Have you tried using a different HDMI port on the TV or a different type of audio cord, such as the yellow/white stereo cables?
Please let us know and thanks again.
Please continue to use reference number 140211-019368 for further contact regarding this request. In order to respond to this email, please log into your account at http://ift.tt/1prWYDX. Replies directly to this email will not be received.
Is there any in-home service available? Or is there a method to record a sample of the issue? The lower volume and distortion is easily heard in person, but it appears that the numbers from the device are suggesting it should be ok.
Thank you, I appreciate the support.
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Customer (Ryan Snook) 02/19/2014 10:38 PM
Thanks Janee, Comcast put in new cables a couple years ago, Comcast's cable comes in through the floor directly to the TiVo. I set the audio to PCM and it sounds the same. The audio was fine with the Comcast STB, the audio issue was apparent as soon as I switched fron Comcast STB to TiVo.
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Response (Janee) 02/18/2014 01:52 PM
Hello Ryan,
Thank you for your reply. I would be happy to continue assisting you with this.
The RS values your previous email included is definitely too high. Ideally, both RS values should be at 0 - when we're seeing something as high as 111010, it indicates errors on the cable signal. I'd recommend replacing any coaxial cabling from the wall to the Roamio, including any splitters, boosters or attenuators you may have connected.
Additionally, have you attempted adjusting your audio settings? Go to TiVo Central > Messages & Settings > Settings > Audio. If you have Dolby selected, change it to PCM. Does this make any difference?
Please continue to use 140211-019368 as the reference number for this inquiry. In order to respond to this email, please log into your account at http://ift.tt/1prWYDX. Replies directly to this email will not be received.
I just realized I made a mistake on the corrected/uncorrected for FOX 113 and got them reversed (typed it on a tablet).
The tuner has been on FOX all night, it is now
RS Corrected: 111010
RS Uncorrected: 0
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Customer (Ryan Snook) 02/18/2014 10:58 AM
Oops sorry I overlooked that.
CBS channel 107
Signal Strength: 92%
FOX channel 113
Signal Strength: 91%
I tried to record the audio, but you can not hear the distortion in the playback very well. I could hear it, but I knew what I was listening for. I wish there was a way to demonstrate the issue.
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Response (James) 02/18/2014 09:00 AM
Hello Ryan,
I would be glad to continue helping you with the updated information you provided.
We will need the Signal Strength for those channels as well.
Please continue to use reference number 140211-019368 for further contact regarding this request. In order to respond to this email, please log into your account at http://ift.tt/1prWYDX. Replies directly to this email will not be received.
Thank you Anthony, it was especially annoying on CBS tonight, the channel it is most noticeable on.
CBS channel 107
SNR: 35 dB
RS Corrected: 575
RS Uncorrected: 0
FOX channel 113
SNR: 34 dB
RS Corrected: 0
RS Uncorrected: 9
Quote:
Response (Anthony) 02/13/2014 12:23 PM
Hello Ryan,
I would be glad to continue helping you with the updated information you provided.
Since this is happening on both TiVo devices and replacing the HDMI cable did not fix it, the next thing we are going to want to look at is the Cable Signal Strength. First I'd like to have you go out to Live TV and tune to two channels that this happens on frequently for us. After that, please press the record button on these channels. Next, could you go to TiVo Central > Settings and Messages > Account & System Info > DVR Diagnostics?
In that menu, I'd like to have you gather the following information for each of the tuners that the Roamio Plus DVR has:
Signal Strength:
SNR:
RS Corrected:
RS Uncorrected:
Please continue to use reference number 140211-019368 for further contact regarding this request. In order to respond to this email, please log into your account at http://ift.tt/1prWYDX. Replies directly to this email will not be received.
Thank, I have tried another hdmi cable with the same result.
I would like to add that the TiVo Mini I got for our bedroom at the same time as the Roamio also has lower volume than it did with it's the Comcast box, I'm not sure if that is passed on from the Roamio.
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Response (James) 02/12/2014 10:28 AM
Hello Ryan,
Thank you for contacting TiVo Customer Support. I would be glad to help you with your audio concerns.
The first thing we will want to check is to make sure it isn't an issue with any of the cables. If you can, try a different HDMI cable. You will want to disconnect the power from your TiVo box, swap out the HDMI cable and then power the TiVo box back up.
Please continue to use reference number 140211-019368 for further contact regarding this request. In order to respond to this email, please log into your account at http://ift.tt/1prWYDX. Replies directly to this email will not be received.
I have had the TiVo Roamio for a few months and have an issue with audio quality. First thing I noticed since transitioning from my Comcast STB was that the volume is much lower on the Roamio. I have to turn up the volume more than I have to with the Comcast box, Xbox or DVD player to achieve the same volume. This I can live with, however I believe it is a sign of what is causing a much more annoying issue, overmodulated audio while watching live or recorded shows. When people talk it sounds distorted and buzzy at certain tones. This I can not live with and need to find a solution. I hope there is a known resolution, thank you.
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