wav

How do you call the default media player to play a wav file in Java?

How do you call the default media player to play a wav file in Java? ...

How to prevent Internet Explorer from playing wav files?

Hi everyone! Unfortunately I've a problem with IE =( I have a service on IIS that returns me a wav file. So if I go to the URL of the service, IE tries to play returned wav file with Window Media Player. Can I set any setting in the IE (7 or 8) to deny it play wav file with WMP and allow only show Open \ Save \ Cancel dialog? Usually I...

Convert wav to mp3 with Lame.exe - ProgressBar?

Hi, I'm doing some converting of wav-files to mp3 and I use lame.exe. Now, when using "lame.exe sourcefile.wav endfile.mp3" in cmd it works great and shows it's own progressbar. But is it possible to have my own progressbar inside my application form to show it's progress? Because when using the command from my application, it just conve...

LameShell - Cross threading error / Cannot find lame.exe?

Hi, just has really got me wondering if it's me there's something wrong with or what. In my previous thread I was asking how to connect the progress of lame.exe processing a wav to an mp3 file over to my own progressbar. So I was pointed in the direction of LameShell. So I downloaded this and put it in my own Solution. And I get this e...

How to record to .wav from microphone after applying fast fourier transform and a high pass filter on it?

Hello, I receive input from the microphone and I apply the fft on it. After that, I put frequencies higher than 1KHz with zero (the high pass filter). I want to know how can I record the input from microphone after I passed it to fft and after the application of the high pass filter. I'm working with c#, what do I need to do? :P ...

How to convert from Inverse Fast Fourier Transform to .wav?

Hello, I used made a fft to make a band pass filter. After that I made the ifft to inverse it and pass it to time domain. My ifft has the same length of the fft. The ifft must be longer or is there a way to make it longer? How do I pass this ifft to .wav? ...

Convert little endian string to integer

I have read samples out of a wave file using the wave module, but it gives the samples as a string, it's out of wave so it's little endian (for example, '`\x00'). What is the easiest way to convert this into a python integer, or a numpy.int16 type? (It will eventually become a numpy.int16, so going directly there is fine). Code needs t...

Embedd .wav files in HTML page in all browsers (no controls)

Hi, all. I need to play few wav files on button click. I found solution working in IE but it requires QickTime plugin for firefox. Is there any other way? <html> <head> <script> function DHTMLSound(surl) { document.getElementById("dummyspan").innerHTML= "<embed src='"+surl+"' hidden=true autostart=true loop=false>"; } ...

WAV file data recovery

I have a situation where there is a corrupt WAV file from which I'm trying to recover data. My colleagues have sliced up the large WAV file into smaller WAV files with proper headers. This has produced some interesting results. Sliced into 1MB segments we get these results: The first wave file segment is all noise. The second wave f...

Nothing Heard When Using PlaySound

Hello, I'm developing a simple appplication to play WAV files using PlaySound, with this code: #region DllImport private enum Flags { SND_SYNC = 0x0000, SND_ASYNC = 0x0001, SND_NODEFAULT = 0x0002, SND_MEMORY = 0x0004, SND_LOOP = 0x0008, SND_NOSTOP = 0x0010, SND_NOWAIT = 0x00002000, SND_ALIAS = 0x00010000...

how to covert dialogic adpcm vox to wav in java

Need to convert vox files (dialogic adpcm) to wav ones. Do you know java solution? ...

How To Track No Sound Area In A Wav File?

Hello, everyone. How to track sections without sounds in a wav file? a small software what I want to develop is deviding a wav file, and it consider a no volume area as a deviding point. how can a program know that volume of a wav file is low? I'll use Java or MFC. ...

C/C++ library for .wav file encoding

I need a library for MS VC6 which encodes sampled data which is in the form of a float array, to an audio file format preferably wav Also is there a library that can encode the samples into pcm form and play it directly through the sound card without saving a wav file first?? ...

playing sound without the need to install media player extension

Hello, I am trying to embed a sound in an auction website. I want that everytime someone's bid, a sound will be played. I tried a simple tag with given ID, and then sound.play() through javascript. The sound is playing, but in IE, a new user is asked to install a media player extension "if he/she trusts the website". Is there a way...

WAV file splitter utility

I have a PROGRAMMING task (homework) to investigate brute force neural net methods. That part of the problem is MY homework. We have to show that certain simple words repeated in a verbal conversion might be able to be recognized as similar. We don’t have to workout what the word is, just that it is a possible repeat. To limit my ‘searc...

wav to midi conversion

Are there any Open source APIs available for wav to midi conversion? You find many open source software, but I couldn't find APIs. Is there any way I can find them? Also are there any Open source APIs available for music transcription? (i.e. generating a digital version of a music sheet). Greatly appreciate any form of direction or assis...

Scriptable utility to convert BMPs + WAV to video (XviD)?

I'm looking for a scriptable utility to convert a bunch of BMPs and a WAV file into a video. XviD needs to be the output format. I'd like it to work on Linux (Ubuntu) if possible. A command line utility would be great, as I have 36 videos to create this way. A bash (or [insert favorite scripting language here]) script would be great ...

How do I upsample a wav file using AS3?

Hi. I am trying to upsample an 8000hz, 16-bit wav file to 11025hz in AS3. At this point, I am not concerned about applying the low-pass filters that I know I will eventually need. I've been referencing this wiki page. Here is what I've done so far: Calculated the least common multiple to be 3528000 Calculated L to be 441 Calculated M...

How to read *.wav file in Python?

I need to analyze sound written in a .wav file. For that I need to transform this file into set of numbers (arrays, for example). I think I need to use wave-package. However, I do not know how exactly it works. For example I did the following: import wave w = wave.open('/usr/share/sounds/ekiga/voicemail.wav', 'r') for i in range(w.getnf...

How to write wav file with 32-bit float data?

I would like to be able to write PCM wav files with 32-bit floating point samples. This seems to be a valid format since libsndfile claims to support it. However, if I specify in my header a sample size of 32-bits, any program I open it in assumes that it's 32-bit integer data. What flags, etc need to be set in the wav file header to sp...