Audio conversion software converts audio file formats from one form into another (for example, from FLAC into MP3). Many include the ability to select encoding parameters for each of the output file formats selected to obtain Voice, CD, Telephony and Radio quality sound.
Questions tagged [audio-converter]
71 questions
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LAME: what settings for variable bit rate below 64ktbs?
CURRENT SETTINGS: According to online blogs and testing, use 32ktbs is "fair" for my use:
lame -b 32 --resample 22.050 input.mp3 output.mp3
LAME VBR:
Since size is really an issue, I wish to push further with a Variable Bit Rate solution around…

Hugolpz
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sound acceleration while converting sound with ffmpeg libfaac
i'm trying to convert sound with ffmpeg using comand:
fmpeg -y -i /Users/Artem/Sites/waprik/testing/orig.mp4 -acodec libfaac -b:a 64k -ar 41000 -ac 2 -threads 0 -vn /Users/Artem/Sites/waprik/public/testing.m4a
original sound is 4:18 min, but output…

Art
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How to convert InputStream to File?
Am receiving an InputStream from a webService that I will then play using the HTML5 tag, so in order to play the audio I need to convert the InputStream to URL so the tag could read this stream since it dosen't read InputStream.

mkazma
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AudioConverter number of packets is wrong
I've set up a class to convert audio from one format to another given an input and output AudioStreamBasicDescription. When I convert Linear PCM from the mic to iLBC, it works and gives me 6 packets when I give it 1024 packets from the…

jjv360
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How to programmatically convert audio (diy)?
I'm thinking about writing a FLAC to ALAC and/or FLAC to AAC converter, probably in C. Is it as simple as reading in one format and outputting another, according to format specs??
Any tips on method, language, etc would be great! Thanks!

nighthawk454
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Stream read return length 0 while stream is open and has valid data in it
I have a bit of a problem : in an winForm app in VS2010 win 7 compiling to x86, I try to do what Alvas.Audio seems to work. See (c# ex: http://alvas.net/alvas.audio,tips.aspx#tip94) for reference.
Dim data() As Byte = wr.ReadData(second * i,…

Minus
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PHP - Executing ffmpeg using exec() and shell_exec() does nothing
I'm trying to convert an audio file in PHP using ffmpeg, I get the audio file via post as a m4a and I want to turn it into mp3. I do the following to do this:
$commandOutput = shell_exec('ffmpeg -i '.$filePath.' -ar 8000 -ab 16000…

8vius
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How to transcode audio stream once but use in two outputs with also video streams transcoded separately?
I wish to optimize the process of video transcoding. Exactly I need to get two different video resolutions with the same audio stream options, but now I transcode audio stream twice (as I think ffmpeg works).
Source video has such audio…

youni
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How to convert wav to mp3 and mp3 to wav while keeping the same size
I cannot find out how I can convert a wav to mp3 and mp3 to wav. Does anyone know how to convert a .wav file into a .mp3 or .ogg and later convert back into .wav while matching 100% same size like untouched (if it can be done in the command line its…

alph4
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Convert an audio file from mp3 to flac by Flask, and save at Google Cloud Storage
I'm trying to create a Flask app that transcribes mp3 files using GCP's speech-to-text and saves the results to Cloud Storage (GCS). (Upload the mp3 file from Vue.js to Flask)
In the process, I want to convert the mp3 file selected by the user to a…

Yuya
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CoreAudio based app stops playing if any UI is added in app
I have a CoreAudio based player that streams remote mp3s.
It uses NSURLConnection to retrieve the mp3 data -> uses AudioConverter to convert the stream into PCM -> and feeds the stream into an AUGraph to play audio.
The player works completely fine…

3254523
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