hmmm, thanks you have given me something to work with. my TV does not have line-out i don't think but it does have a headphone jack for 3.5MM to of them but one doesn't do anything. thanks
Michael > On 11 Feb 2015, at 2:59 am, 'Chris Blouch' via MacVisionaries > <[email protected]> wrote: > > If your TV has a line-out. If it's really a headphone jack then the signal > coming out is probably a bit strong. The result will be that to have it low > enough to record it will have to be very quiet and you'll have a lot of > noise. If you turn it up loud enough to cover the noise it will distort. You > can try it and find out. Just start with the level very low until you know > what's happening. Back in the day I had this same problem where I was trying > to record tapes from my portable CD player. My tape recorder had a mic input > but my cd player just had a headphone output. So the sound on the recording > would be all distorted if I turned the CD player up or would be very noisy if > I had the CD player nearly zero. > > CB > > On 2/9/15 6:03 PM, Michael Marshall wrote: >> do you think line-in would be the best option for mac recording? >> thanks >> >> Michael >>> On 10 Feb 2015, at 9:01 am, 'Chris Blouch' via MacVisionaries >>> <[email protected]> wrote: >>> >>> The earlier Macbooks had headphone out and line-in. line-in is probably the >>> most common as mic-level preamps are delicate noise-prone things, probably >>> not something Apple would want to spend money on for the handful of folks >>> who would actually use it. For those who do care you can get all kinds of >>> XLR mic to USB preamp boxes. I know it's a common issue for folks who came >>> over from the PC which had both a line in and mic in only to discover the >>> mic no longer worked on the mac. Even then, cards like the SoundBlasters >>> had a goofy 5 volt 'phantom power' so those mics wouldn't work on any >>> normal sound equipment either. They were PC-only. Some mics do require >>> power to operate such as condensor or ribbon mics and that is supplied over >>> the same wires. This is known as 'phantom power' and is usually about 48v. >>> So if you want to hook up one of those nice mics your USB adaptor will need >>> to also supply phantom power. I like the Art Dual Pre which has to XLR/1/4" >>> inputs which can be adjusted to handle everything from Mic to line inputs >>> and also can supply phantom power. >>> >>> http://www.bhphotovideo.com/bnh/controller/home?O=&sku=615405&Q=&is=REG&A=details >>> >>> CB >>> >>> On 2/9/15 4:26 PM, Michael Marshall wrote: >>>> hey, >>>> thanks for the stuff on electrical interference. >>>> USB devices are particularly prone to interference i have found. >>>> This is the one major mistake that Apple have made. All maxed should have >>>> three Jack's microphone, headphones and line-in i believe. >>>> Michael >>>>> On 10 Feb 2015, at 8:10 am, 'Chris Blouch' via MacVisionaries >>>>> <[email protected]> wrote: >>>>> >>>>> Related to this, there are four audio electrical levels. Mic levels are >>>>> tiny signals that come out of a mic and usually need to go through a >>>>> pre-amp before they can become usable 'line level' signals. Line level is >>>>> typically for signal routing such as patching the audio output from a DVD >>>>> player to the line input on your Mac. Next up is headphone which is a >>>>> much stronger signal as it's going to drive physical movement of >>>>> something to make sound waves in your ears. Last is speaker levels which, >>>>> like headphones, range from a few watts to thousands to drive room or >>>>> stadium filling speakers. >>>>> >>>>> All that is to say, if your TV output is for headphones, direct >>>>> connecting it to the line input of your Mac may give distorted sound. It >>>>> shouldn't hurt anything but you'll know it when you hear it. Most modern >>>>> TVs have RCA output jacks (or something digital on newer sets) which >>>>> would be line level and a better source for recording. If not then you'll >>>>> need something called a "direct box" which takes a headphone level input >>>>> and generates a mic level output which you can then run to a standard mic >>>>> pre-amp to record. I have a Mac-mini headphone output going to one of >>>>> these to run it into a Mackie mixing console. >>>>> >>>>> The last bit it hum. This can be any number of things including bad >>>>> cables, ground loops and picking up interference from power lines. If >>>>> it's a low pitched humm that might be 60-cycle interference as >>>>> alternating current flips polarity 60 times a second in the US and 50 in >>>>> many other countries. In the case of a ground loop, you can google the >>>>> explanation but it can sometimes be when two devices are on two different >>>>> power circuits. Sometimes as little as plugging both devices into the >>>>> same circuit can make that go away. The aforementioned direct box can >>>>> also have a 'ground lift' switch which can eliminate the buzz in some >>>>> cases. If it's from interference, the only solution is to move the cables >>>>> around to try and make it go away or use better shielded cables. >>>>> >>>>> Hope this helps. >>>>> >>>>> CB >>>>> >>>>> On 2/9/15 3:49 PM, Tim Kilburn wrote: >>>>>> Hi, >>>>>> >>>>>> On a Mac, the headphone jack doubles as a line-in jack. You should be >>>>>> able to go direct using 3.5 to 3.5 from the out on your TV to the jack >>>>>> on the Mac. Using an app like Audio Hi-Jack Pro would do the recording >>>>>> for you nicely. >>>>>> >>>>>> Later... >>>>>> >>>>>> Tim Kilburn >>>>>> Fort McMurray, AB Canada >>>>>> >>>>>> On Feb 9, 2015, at 12:34, Michael Marshall <[email protected]> >>>>>> wrote: >>>>>> >>>>>> hey all, >>>>>> i have a TV with a 3.5MM headphone jack witch i used to connect to the >>>>>> mike port on my windows computer and record the sound. >>>>>> on the mac i have run into some significant difficulties with this. >>>>>> Obviously the Mac has no dedicated microphone jack witch can be overcome >>>>>> with the iMike USB interface witch i have got. this has a mike jack so i >>>>>> thought i would be fine. >>>>>> The main problem that I am having is that on that and any other computer >>>>>> a lot of USB recording devices including this one have an unpleasant >>>>>> buzzing sound. I have found this problem over multiple systems and >>>>>> multiple USB devices. My theory is that it is electrical interference >>>>>> between the computer and the USB interface. >>>>>> what i would like to know is this, is there a way to use the 3.5MM >>>>>> patching cable connected to the headphone port on my television to >>>>>> somehow Connect to the Mac without USB? because i'm not getting the best >>>>>> Sound with my current configurations. >>>>>> thanks for any help on this. >>>>>> Michael >>>>>> >>>>> -- >>>>> ¯\_(ツ)_/¯ >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google Groups >>>>> "MacVisionaries" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send an >>>>> email to [email protected]. >>>>> To post to this group, send email to [email protected]. >>>>> Visit this group at http://groups.google.com/group/macvisionaries. >>>>> For more options, visit https://groups.google.com/d/optout. >>> -- >>> ¯\_(ツ)_/¯ >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "MacVisionaries" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/macvisionaries. >>> For more options, visit https://groups.google.com/d/optout. > > -- > ¯\_(ツ)_/¯ > > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/macvisionaries. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. 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