How to transcribe audio streams in real-time text?

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  Hello Labviewers,

  Is it possible can labview auto copy drop every 5 minutes from PC1 to another PC in real time?

  Say in the laboratory classroom I have PC1 labview run in real time, collecting data dump in the folder c:\test\testing.xslx

  Then in my Office PC how can copy file in PC1 every 5 minutes. Is it possible Labview is possible? Please help me IV thanks

  How about something like this?

  First map a network location to a 'reader' in Windows.

  Then just use LabVIEW primitive file copy to copy the file.

  Wait five minutes.

  Do it again.

  

  Yes, it's the bare minimum, and probably not the best way to do as you can't stop the loop with the stop button once the period has begun. But you can see it's pretty simple, if all what you need to do is to copy a file and location, you can map.

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  Amarcher wrote:

  Thank you.  I tried to change the plots in properties, but it did not work.

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• How to adjust audio speed/duration over time?

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  Why the loop containing the Simulator signal interfere with the loop that contains my structure of the event for my buttons? I'm using Labview 2013.

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• Data in real time to table

  Hi all
  I am trying to create a spreadsheet of the 500 columns and 1000 lines.
  My program consists of real-time data streaming via the com ports (VISA), running in a continuous loop. I was hoping that someone could help me with the following:
  (1) how to convert point-by-point of data in a table format?
  (2) how to put in place the iterations and loops for the program to collect 1000 samples of data and then move to the next column (switching 500 times columns)
  (3) how can I take my array 1000 x 500 and write it to a spreadsheet?

  Most of the examples that I find to create rows and columns of the tables use random number vi, incorporated into the INSIDE of a loop for, and then auto-indexation it. However how I incorporated my data in real-time (within a while loop) in a loop for (that's why I'm unable to follow these examples).

  I'm new to LabView fairy. I would be great if someone could help me because I've tried countless ways to create my spreadsheet.

  Thank you!

  Would be easier to collect the data in a table 1 size d 500000 (= 500 x 1000). Initialize an array 1 d of this size and the correct data type and use it to initialize a shift of you register acquisition loop. With each new data point, use 'replace the subset of table' to replace the actual data based on the final iteration. When the acquisition is done, reshape the array to 500 lines. 1000 columns and write it to the file (using for example write to the spreadsheet file).

  Why do you use a while loop. Apparently, you know the number of iterations before the start of the loop, a loop FOR would be more appropriate (you can view the conditional terminal to stop earlier if necessary)...

  Be aware that it is expensive large format paintings. Unless the ihe file must be imported somewhere else, I recommend using binary files.

• Hearing feedback in real time program: hardware configuration

  We had access to a LabView (of another laboratory) program that records the sounds and gives audio feedback in real-time based on the analysis of the spectral structure of the input sound. The current combination of equipment that we have in our lab is the Daq 6259 PCI card and a BNC-2110 connector. The laboratory of donors had run a set consisting of PCI 6221 Daq card and connector BNC-2090. I'm studying the manuals for the four pieces of hardware to determine if our hardware configuration can be used with this LabView program. The main difference I found is that the connector BNC-2090 has DACout connectors, which lacks the BNC-2110 (my setup). I don't know if that alone will make it unnecessary for use with this LabView program.

  I continue my study of textbooks to go further, but it would be useful that some experts could give its opinion on it. In this way, I could do a faster purchase decision.

  Thank you!

  Anand

  Hello Anand,

  2110 has analog output BNC connectors that expose up to 8 channels of analog output on your Data Acquisition device. Please take a look at the below picture of the BNC-2110 (page 3) user manual and following section which discusses the analog pins output BNC (page 6).

  

  

  Best regards

  Izzy O.

  Technical sales engineer

  National Instruments

  NI.com/support

• Parameters DAQ update in real time

  I created a program to read the entry of similar channels and store the data in an Excel file. The program of work so far, however, the problem is, whenever I need to update the settings Assistant DAQ (sampling frequency and number of sample), I need to stop the program (by pressing 'STOP' Abort executing icon) and then enter the values you want, then run the program again.

  Sampling rate and number of sample are controlled by a digital input control. My question is, how would implement a update button 'real time' to set the new number of sample and the sampling frequency of data acquisition, while data acquisition is running?  As I am new to LabVIEW (experience 2 days), an explanation with an example VI would be useful.

  You can use the lower level DAQmx functions as in the many examples of shipping (help > find examples), but you cannot change these settings on the fly. You must stop the currently running task until you can change the sampling frequency.

• Publish an audio stream only (HLS)

  Hello

  the documentation says:
  

  "To serve the flow over a cellular network, one of the components must be audio only. For more information, see Overview of HTTP Live Streaming.

  To publish an audio stream only, enter the following in the field of Flash Media Encoder stream:

  Livestream%i? ADBE-live-event =liveevent& adbe-audio-stream-name =livestream1_audio_only& adbe-audio-stream-src =livestream1

  If the encoder specifies individual applications for each stream channels, use the individual data stream names instead of the variable %i :

  livestream1? ADBE-live-event =liveevent& adbe-audio-stream-name =livestream1_audio_only

  livestream2? ADBE-live-event =liveevent& adbe-audio-stream-name =livestream2_audio_only

  "

  ...

  "

  To generate a playlist of variation at the level of the game when you use an audio stream only, specify the audio codec of the audio stream only. Specify the video streams containing audio and video codec and the audio. For more information on the use of the generator of F4M/M3U8 file at the level of the game, see publish and play live several debits broadcasts a HTTP.

  "

  Does this mean that by using an encoder OUT (with the AAC plugin) installed I can stream BOTH audio + video AND audio only streams via HLS to iOS client?

  If so, how to connect to a stream v + and how to connect audio streams only in iOS? (To be more precise - I would need two m3u8 file, how to create them in the supplied generator)
  

  What about the need to provide multiple flows (for audio), probably 64 is not enough - multiple machines encoder or multiple instances of encoder?

  Does this mean that using a GFFE encoder (with the AAC plugin) installed I can stream BOTH audio + video AND audio only streams via HLS to iOS client?

  Yes

  If so, how to connect to a stream v + and how to connect audio streams only in iOS? (To be more precise - I would need two m3u8 file, how to create them in the supplied generator)

  In this case, ios can play a + v flow using m3u8 url

  http://Server/HLS-live/livepkgr/_definst/LiveEvent/livestream1.m3u8

  and audio streams only using m3u8 url

  http://Server/HLS-live/livepkgr/_definst_/LiveEvent/livestream1_audio_only.m3u8

  Using Report Builder, you can create a playlist option where you can specify several bitrate has + v flow m3u8 url (you already know) and audio only stream m3u8 url. This tool is just a serialize all of the information you provide to it. It does not flow generate individual m3u8 URL on its own. This variant playlist can be hosted somewhere. When the player asking this playlist variant, it identifies all correspondents m3u8 URL and bitrate. Player will play the url m3u8 than hasbitrate just below its bandwidth of entry.

  Probably I could not clearly to your question. Let me know if it helps.

• How 9201is used for real-time applications?

  Hi all

  IAM currently using labview 2009

  and iam using equipment OR to work with my application

  I designed an Adaptive controller for adaptive noise cancellation in labview

  now, I want to use follwing material to implement my task

  1 OR cRIO-9012(real time embeded controller)

  2 analog input for NI 9201 module (to take the audio signal)

  3 NI 9263 Analog output module (to hear the audio signal output)

  How to set up these materials on real time module

  can someone help me start my application

  Thanks in advance

  all TC

  
  

• receive unknown audio streams: How can I get rid of an external audio stream through my laptop? It sounds like a radio station.

  How can I get rid of an external audio stream through my laptop? It sounds like a radio station.

  Try this 1:

  Restore point:

  http://www.howtogeek.com/HOWTO/Windows-Vista/using-Windows-Vista-system-restore/

  Do Safe Mode system restore, if it is impossible to do in Normal Mode.

  Try typing F8 at startup and in the list of Boot selections, select Mode safe using ARROW top to go there > and then press ENTER.

  Try a restore of the system once, to choose a Restore Point prior to your problem...

  Click Start > programs > Accessories > system tools > system restore > choose another time > next > etc.

  http://www.windowsvistauserguide.com/system_restore.htm

  Read the above for a very good graph shows how backward more than 5 days in the System Restore Points by checking the correct box.

  See you soon.

  Mick Murphy - Microsoft partner

• AE4: real-time audio

  I imported an audio file in my calendar.  When I select the RAM preview it will play the song from the beginning, but how can I play the song in real time in order to change and synchronize words with the video?  I want to pass the bar of chronology everywhere and always to hear audio playback.  Not have to do a little adjustment, start the song from the beginning and wait until he gets to the section I'm working on.

  To read the audio data from the current-time indicator, press the period (.) key on the numeric keypad.

  To scrub audio with ICT, press and hold the Ctrl/Cmnd rubbing.