All Questions
8
questions
1
vote
1
answer
168
views
How to reconstruct phase data from magnitude only data in a frequency domain function?
I'm trying to do a reverse-engineering a software called LEAP from the now disappeared LinearX company. This software can perform an operation called "Minimum Phase Transform". This takes ...
0
votes
5
answers
910
views
Send multiple analog signals to PC audio input
I have 4 signals that I need to send to the PC through the audio jack. Is there a way to do so with minimum data losses? I can't use frequency division multiplexing, so I need a way to get the 4 ...
- 109
1
vote
1
answer
1k
views
Understanding capacitors and pre-amp configuration in this tone decoder circuit
I found the following circuit from http://www.talkingelectronics.com/ChipDataEbook-1d/html/567.html :
I'm confused as to why a 1uF and 10uF capacitor is connected between a 1K resistor and a 10K or ...
user116345
1
vote
3
answers
567
views
Convert MP3 recording of data casette to serial data
I have a retro EMCO F1P CNC machine with a matching M1 controller that comes with mini data cassettes containing the "Machine State Data" which must be fed into registers of the controller before ...
0
votes
2
answers
1k
views
Send data to an Arduino by using an audio cable
I want to send some Data to my Arduino by using the audio jack of my smartphone/computer.
(USB is no option, since my smartphone does not support USB Host mode and I also don't want to go wireless or ...
- 151
4
votes
2
answers
3k
views
What data format do audio cassettes use?
How do the sound pressure values correspond to the magnetic domains on the tape? Is the format analog or digital?
- 277
3
votes
2
answers
224
views
Can someone tell me what this datasheet is trying to tell me?
This datasheet is for an audio delay IC that i plan on using:
http://www.ti.com/lit/ds/symlink/tpa5052.pdf
I understand everything pretty clearly except some important details that i've circled in ...
- 275
19
votes
4
answers
14k
views
How could you transfer data over an audio line?
I'd like to pass some data over an audio cable (i.e from audio card to my cellphone) with a short cable.
I'm looking for some ideas for algorithms for achieving this. They of course should include ...
- 409