Audio Definition and 262 Threads

Hi all, I'm trying to build a audio power ampilfier but can't get the circuit to work. The attached jpg shows the circuit that I'm building. Can anyone help? Thanks

Greetings! I posted a few weeks ago about the preamp for the tape head I'm working on. I solved for all of my resistors and capacitor to get the right frequency response, and below is the theoretical frequency response, followed by what I actually get...

how can i get frequency and volume from wav files and live oudio streams. please help me

I recently bought an iPod, and with it, I downloaded iTunes. When I bought music from iTunes it came in MPEG-4 Audio format (.m4a, MPEG/AAC). Is there any way I can convert these files to another format (preferable .wav, .wma, etc.)?

hello, does anyone happen to have any good links to websites for physics relating to audio? i am going to be doing a report on "the physics of stereo systems", and i need some good information to use for it, and i am also interested in learning more about this subject... i have been searching...

Just tried to play a song on winamp, the timer went to 1 second and the eq thing started going up and down like it was getting a signal, but at 1 second it stopped and I couldn't get it to play at all. I tried playing random songs in winamp, windows media player and real player, none of them...

I don't know if anyone here is familiar with audio/video recording equipment, or if anyone has ever heard of the 'XLR' standard...But While I was lookin over some specs on on it, I noticed that XLR systems/cables are referred to as balanced while your common MIC lines(used for headphones n such)...

Hi all, I'm a musician from Ireland, I write electronic music. I browse these forums sometimes as I have a passing interest in this type of thing. I'm currently writing a track and I was wondering if you guys'n'gals could help me out. I'm looking for some audio samples of things like...

Anybody here knows the audio collection of the Feynman Lectures on Physics? Anyway, I'm trying to find other audio/video resources on physics. Any recommendations? BR.

I have a notebook with two external speakers, and I would like to get a sound experience as if there were around me. SRS has a really cool technology: TruSurround, where this can be accomplished with two speakers.. but they don't seem to have any downloads (only a demo which sounds really cool!)...

I can't play MP4's with audio! Wherever I look it tells me that divx player can only play MP4 with mp3 audio, but that the standard audio format for MP4 is AAc, which dvx can't recognise, stupid I think. Everyone also says that MEdia player will play MP4 files, which it doesn't for me! I have...

I wonder if anyone here can help. I have been asked to provide audio (cassette) tapes of various talks given by people. I am supposed to tape the person in question and then provide up to 500 copies of each master tape. Has anyone done anything like this? What kind of gear do I need to make a...