FL Studio has a nice built-in factory DC remove effect called Fruity Center that works dynamically but it’s not enabled by default in newer versions, you must click on More plugins… in the Mixer channel FX slots menu and activate it in the list to make it visible/available.Ĭonsulting official datasheet, volume controls and gain levels are: Using some smart VST plug-in for post-processing should also help. Calibrated offset before each recording will help, but the drifting offset over time will still be present in some cases. I have originally used Sony Xperia M5 smartphone as an audio source for line input tests and recordings, which incidentally generated some weird DC offset drifts (+10 to +15 dB), while using CD player and audio cassette decks offset drifts were much lower / non-existent.ĭC offset can be compensated using Sound Forge or similar recording software with DC offset adjust compensation option enabled. Update after couple of days: yes, DC offset drift is definitely related to the input devices / signal sources. I do not yet have an explanation nor solution for this issue, but it seems to be affected by the source device at input. □ DC Offset voltage at inputs may noticeably drift and is generally much higher with large input capacitors (e.g. Right-Mark RMAA without modification (loopback audio Line-In Line-Out) In essence, this is a very solid audio card for the money! C-MEDIA CM6206 5.1 External USB Audio Sound Card – Line-In Frequency Response Measurements It supports separate Headphone output, mute, rec mute, digital volume controls, dual mono MICROPHONE inputs and more! Of course, in this 5.1 model not all the features are used (obvious cost reduction saving on external parts and components), but what can you expect from a $5 or $10 sound card? More expensive $20 models come with 7.1 audio, dedicated headphones output, dual MIC and LINE-IN inputs, Volume and Mute controls, but those are not really essential, as you can achieve the same in software, although they can be convenient as dedicated hardware buttons. ![]() using Daqarta software).Ĭ-MEDIA CM6206 audio codec is used in many different sound cards, including 7.1 surround models. You can even bypass input AC coupling capacitors to enable DC input, with some precaution (useful for audio oscilloscope applications and DC signal measurements e.g. ![]() However, engineers who designed and manufactured this sound board crippled LINE-IN analog recording inputs frequency response in low / bass section by putting very small coupling capacitors! Why oh why ?ĬM6206 hardware is perfectly capable going all the way down to a sub-hertz (less than 1 Hz) flat frequency response if desired / required. Plus, unless it’s a desktop computer, current laptop computers using them only have stereo headphones output and (maybe) single mono DC-biased MIC input (sometimes hidden in a single 4-wire 3.5 mm socket), and do not support analog stereo LINE or MIC inputs that we need! Of course, we cannot possibly compare it to the more advanced and higher-quality Realtek, Intel, Nvidia or AMD HD Audio codecs (supporting up to 5.1 / 7.1 / 24-32 bit / 192-384 kHz with absolutely flat frequency response in 20-20 kHz range and beyond), but for this price we can’t and don’t complain. Paired with a cheap studio-like condenser microphones such as BM-800 or Neewer NW-700 you can really step-up the quality and get yourself going in the right direction for well under $50 budget. ![]() This card can be bought really cheap on Amazon, AliExpress, BangGood and similar online stores, and have it delivered for free in few days or weeks. If you wish to start a YouTube or Twitch career, transfer your old audio cassette recordings or vinyl collection to your computer, C-MEDIA CM6206 External USB Sound Card is a very nice solution in case you use a modern laptop without integrated multi-channel audio card and dedicated Line-In or MIC inputs. C-MEDIA CM6206 5.1 USB Audio Sound Card – Product Photo
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