codec

A codec is a device or computer program for encoding or decoding a digital data stream or signal. Codec is a portmanteau of coder-decoder.
A codec encodes a data stream or a signal for transmission and storage, possibly in encrypted form, and the decoder function reverses the encoding for playback or editing. Codecs are used in videoconferencing, streaming media, and video editing applications.

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  1. Aryn86

    Anyone ever inadvertently downgraded their soundbar while thinking they were upgrading?

    So a few years ago I had a pair of Q acoustic BT3 speakers on stands either side of my TV connected to a BK XLS200-FF sub, the system couldn't decode any fancy codecs beyond dolby digital but it was a really high quality 2.1 audio experience but at that time the new Dolby Atmos soundbars were...
  2. T

    DVB-T, DVB-T2, HEVC, MPEG2, MPEG4

    I am investigating the relationship between the broadcast formats, DVB-t and T2 and the codec formats HEVC, MPEG2 & 4 on TVs. Unfortunately, the manuals supplied by most manufacturers are incomplete when it comes to this information, eg it will list the TV as being DVB-T2 but not mention...
  3. J

    Setup (hopefully) 100% correct but Q800A not (always) displaying audio codec

    So I have TrueHD and DTS HD demos on a NAS which is networked (wired) to my shield pro which is plugged directly in to my Atmos/DTS soundbar. Both the Kodi player and Plex (on the shield) have the appropriate passthrough settings. So my question is this...is it quite normal for the sound output...
  4. J

    AVI conversion with audio codec PCM for projector

    Good day, I need to convert a video file into a AVI for an Epson EF-11 projector which has very specific requirements on the formatting: “Video codec must be Motion JPEG” “Audio Codec must be PCM or ADPCM” I have managed to get a file with the visuals working using VLC video converter, but...
  5. G

    Understanding Bitrates, CODECs and Resolution

    Arguably you get the best quality picture and Audio from the physical disk or a 1:1 back up This will have the highest bitrate, I understand this is the rate of change from 1 frame to next, and is important for fast passed action movies and sport less so for slower passed dramas. Having said...
  6. J

    Denon AVR option selecting movie sound codec / soundtrack

    Hi all, I have a Denon X2800H. I have a film (.mkv) with 3 sound codec Atmos, DTS and EAC3. When playing the film either via mediaplayer (Dune) of TV the DTS Audio (info via AVC codec ) sound codec is chosen which happens to be lousy. On both mediaplayer and TV it is not possible to choose the...
  7. Ian Collen

    NEWS: MQA announces new MQair wireless codec & comments

    Launching with the brand name MQair, the new technology has been certified by the Japan Audio Society for ‘Hi-Res Audio Wireless’. Read the news.
  8. DuckyDuckBB

    Suddenly disabled video codec on LG-tv? Can't watch the video files.

    Until recently, Mkv video files that worked last week are not working today. When I run the thumbnail I get this gray cube (after that the thumbnail is no longer visible). I was hoping it was an HDD fault, however, it wasn't, now I downloaded the identical files to a USB stick and it won't play...
  9. J

    UA40D5500RR - Audio Codec Issue: AAC 6-channels

    Good day, I am using an old Samsung UA40D5500RR TV - I am trying to playback a Bluray file from an external HDD via the USB socket (latest TV software version 001015 downloaded from online server). I am presented with the audio codec error message. Upon closer inspection, the video MP4 file has...
  10. F

    Sony RDR-HX725 video CODEC

    This is a very old machine I know. It's about to go in the bin, but before it does, there are five or six videos that I would like to retrieve from it. Precious family movies that were dubbed from an even older camcorder! I've managed to copy the video files off the hard disk, but I find that...
  11. C

    Newbie advice - struggling with Codec

    Set-up 1. PS5 to Samsung 4k TV via HDMI 2.1 (HDMI ARC port) 2. TV to Bose Lifestyle System 38 via optical cable Issue According to Bose I've optimised the set up cable-wise but clearly would appreciate any thoughts if not. I think it'd have been better if I could've connected the PS5 to the...
  12. TB303

    Which wirelss headphones for iPhone? (Best BT audio codec?)

    Hello people, I have a long histroty of good proper wired headphones, and recently jusmped to wireless Sony MX4 (over ear) headphones, mainly for the convenicne and noise canceling. I'm using an iPhone 8 as a source. I understand that the Sony can use only AAC with an iphone rather than better...
  13. T

    Which LTE Tablets can send music in LDAC or LHDC Bluetooth Codec?

    Finally I want to try to go wireless with my music (512 GB microSD card). At least partly. I do not want to have another Bluetooth headphone (I have some on ear and IEMs) but this time I want to try a Bluetooth receiver to feed my wired IEMs or over ear headphones. My favourite so far is the...
  14. AVtest

    AV1 codec Philips ?

    So it looks like google again strikes with their new features and force us to upgrade or be outdated. Philips is silent about it yet. Those who own older sets already noticed that quality of streams is dropping. Has anyone enquired philips about it? According to XDA Developers, this new...
  15. T

    Fiio BTA30 - Bluetooth transmitter LDAC codec. UK source?

    I've been looking for a BT transmitter with LDAC to connect my amp to my Sony XM4 BT headphones at the best quality when using Bluetooth. I found the Fiio BTA30, which seems to be the only such device on the planet. It's well reviewed and costs $90. However, I can't find it for sale in the UK...
  16. S

    New TV's Video Format / Codec Issues

    Hi all, I've noticed recently that many new TV's appear to struggle playing video content from USB drives or more specifically they lack the ability to decode the format of the video file. My older Samsung sets purchased in 2016 and 2017 have played pretty much anything I've thrown at them. The...
  17. G

    CX - Soundbar and Xbox Series X - DTS decoder

    Good afternoon! I am a bit confused about the lack of DTS codec on the LG CX and what does it mean when buying a Soundbar (if anything at all) I just bought a Soundbar, the Sony HT-X8500 with Atmos and all the DTS Formats https://www.sony.com/electronics/sound-bars/ht-x8500 , and Im wondering...
  18. O

    CODEC problem, portable dvd player

    I've got some MP4 videos on a USB stick which I'm trying to play on a portable dvd player. (The player specifies that it does play MP4s) However, when I put the stick in, it shows the files but it won't play them, saying something like 'CODEC not recognised'. Bit annoying, as I also had this...
  19. Riaz78

    Galaxy Z Fold2 5G has APTX HD

    hi all I have now spoken to two Samsung sales people (over web chat) and they have confirmed that the upcoming Galaxy Z Fold2 will support APTX HD. The full list of Audio codecs supported will be AptX, AptX HD, LDAC and AAC I don't know why but I am still sceptical. I asked both reps to send...
  20. B

    RU7100 DTS codec working!

    So I purchased a new 4K TV. 55Ru7100 model. Hardware variation: CA04. All DTS files are working: I tested blu ray, mp4 files (DTS demos) and DVDs Did they introduce DTS in a "stealth" firmware upgrade? I've tried using these files in a NU71300 and it says "audio format not supported"
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