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Questions tagged [audio-conversion]

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How to detect and reduce a WAV file’s sample rate to its real sample rate?

I'm not sure if my question makes sense, but here it is the problem I have. I have a bunch of wave (WAV) files that I believe were converted from MP3 or some other format that I have no information ...
user17952421's user avatar
0 votes
1 answer
332 views

how to convert a wav to WAVE audio, IEEE Float, stereo 44100 Hz

I am trying to convert a generic audio to a specific format accepted by BOSS RC-5 looper (supported format: WAV 44.1 kHz, stereo, 32-bit floating point), I have downloaded one of the accepted files ...
elpaso66's user avatar
  • 103
0 votes
1 answer
194 views

How do I prevent FFmpeg from replacing all the audio stream names with SoundHandler?

I'm using FFmpeg to change a video container from mkv to mov with this code: ffmpeg -find_stream_info -probesize 84M -i input_file.mkv -map 0:v -map 0:a -map -0:s -codec copy output_file.mov -...
Franon's user avatar
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1 vote
0 answers
143 views

can one filter_complex handle different audio layouts?

I am trying to set up an ffmpeg command that handles 2 different audio layouts on the input: type #1: a single stereo track, i.e. [0:a:0] is a stereo channel. type #2: a couple of mono tracks, i.e. [0:...
Omer Weiss's user avatar
1 vote
0 answers
139 views

Trying to convert WAV to HE-AACv2

so I've been trying to figure out how to convert WAVs into HE-AACv2, and nothing seems to be working at all. When I get an output file, it's corrupted. When I don't, it's always some vague error that ...
Jaden LeMieux's user avatar
0 votes
1 answer
259 views

How to convert MP3 file MPEG-2 Layer 3 version to MPEG-1 Layer 3 version?

I have searched for this all over but couldn't find an answer other than people saying "there is virtually no difference between MPEG version 1 and 2". But the thing is, some old players do ...
Turab's user avatar
  • 21
0 votes
2 answers
2k views

How to convert a .wav file to .m4a without adding any leading/trailing silence?

The short question is: How do you convert a .wav file to .m4a without having any leading or trailing silence added to the output? The file is supposed to be played in an endless loop, where even a ...
SePröbläm's user avatar
0 votes
0 answers
290 views

How to re-encode audio of a video file - not touching video stream - ffmpeg

I have a video file but unfortunately the davinci resolve is not able to read audio I want to re-encode audio I think aac 192 or mp3 192 would be sufficient How can I re-encode only audio by using ...
Furkan Gözükara's user avatar
1 vote
1 answer
1k views

FFmpeg audio normalization from multi-channel audio to stereo to fix the quiet dialogues

When playing 5.1 surround sound audio on stereo, the dialogues come out quiet low but the other sound effect comes out heavily loud. Fortunately, FFmpeg already has built-in filters to fix this issue ...
Vin Raghav's user avatar
0 votes
2 answers
74 views

Differentiating between two programs (windows)

Is there any specific manner/way in which Windows differentiates between two programs? For instance, why can't I run two of the same programs at once? Or is there a way in which I could do this by ...
merrick's user avatar
2 votes
1 answer
71 views

What happens when enabling different "spatializing audio" sofware at the same time?

For example: If I enable spatial audio from windows settings: , from logitech(gaming headphones company) ghub application: and dolby atmos in the game(overwatcH): what will happen with the audio? ...
fatFeather's user avatar
2 votes
1 answer
358 views

Old family videos with no audio... any hope of recovering the audio?

I have limited experience but have used simple tools like mediainfo and ffmpeg before, though I don't usually know what is happening. I dug up some old digital video files of family members that are ...
bcsteeve's user avatar
  • 299
0 votes
1 answer
669 views

How to remove metadata or prevent adding comment "Processed by SoX" using sox?

If you convert using sox, it adds a comment to the metadata: $ soxi audio.wav Input File : 'audio.wav' Channels : 1 Sample Rate : 48000 Precision : 24-bit Duration : 00:00:04....
qubodup's user avatar
  • 8,924
0 votes
1 answer
1k views

Convert wav file from WAV_FORMAT_EXTENSIBLE to WAV_FORMAT_PCM

I have a 16-bit 44.1kHz wav file in WAV_FORMAT_EXTENSIBLE format. What is a simple and efficient way to convert it to WAV_FORMAT_PCM on the command-line? ffmpeg solutions preferred, but I'm also open ...
michaeljan's user avatar
0 votes
0 answers
92 views

How to to do dictation from system-audio?

Mac Monterey: When I execute the command Edit/"Start dictation, " the small microphone appears. But as soon as I click my audio-player window to start playing my podcast to transcribe the ...
user1580348's user avatar
  • 1,728
2 votes
0 answers
2k views

Need help converting a .wav RIFF WAVEfmt to MP3

I have a couple of .wav files from a Palm Pilot or possibly an old Windows Pocket PC that are in the format of a .wav RIFF WAVEfmt file. I can't play them, and would like to convert them to some ...
Magwich's user avatar
  • 261
1 vote
1 answer
347 views

FFMPEG - COPY MKV to MP4 but add 2.0 Stream

Morning All, Using FFMPEG currently just to re-container UHD MKV into MP4 with... ffmpeg -i File1.mkv -c:v copy -c:a copy -strict -2 File1.mp4 But these MKV only have TrueHD or DTS-HD which is fine ...
Josh's user avatar
  • 11
1 vote
1 answer
2k views

How to split m4b file into many tracks on linux

I do have an audiobook with m4b extension, and I wish to split it into many tracks so that it becomes more manageable on my mobile. Through splitting m4a into multiple files with ffmpeg, I ...
Mostafa Touny's user avatar
0 votes
1 answer
3k views

How to convert a certain program's audio output to mic input

I have Program A and Program B -I want Program A's Sound output to be received as a Microphone input -I want Program B's Sound output to be received as a normal sound output Is there a way i can do ...
mo7amed fares's user avatar
0 votes
1 answer
2k views

Turning a 5.1 .mkv into 2.0 or 2.1

Is it possible to turn a mkv file that only has 5.1 into a a 2.0 or 2.1 (or maybe just add 2.0 and 2.1 as an additional sound track) without touching anything else. Is this possible?
Gappy Hilmore's user avatar
2 votes
0 answers
172 views

Can I get separate output on retasked jacks?

I'm using realtek audio console, and I've retasked my mic jack to speaker output. I wanted to have two separate output(2nd output), but instead I got only one, and 2nd output activates only when front ...
me in let's user avatar
1 vote
1 answer
990 views

ffmpeg: correct syntax for multiple audio filters

I want to apply three audio filters: pan --> dynaudnorm --> volume. The problem is that the middle filter (dynaudnorm) is ignored. For testing, I've tried rearranging the filters, and no matter ...
MockWhy's user avatar
  • 33
0 votes
1 answer
2k views

How to convert VBR OGG Opus audio to M4A ACC without quality loss?

I got some audio files in the OGG Opus format (~152kbit/s VBR, 48kHz sample rate) and I want to convert it to M4A ACC format without any quality loss. I tried to use ffmpeg -i myaudio.ogg -c:a aac -vn ...
Martin Braun's user avatar
0 votes
0 answers
45 views

How to convert to .amr using Wavepad Audio Editor?

According to https://www.nch.com.au/wavepad/kb/1414.html WavePad both reads and exports/saves to .amr but how? This is how my save dialogue looks: No .amr-option there as far as I can see? Looked ...
d-b's user avatar
  • 814
1 vote
1 answer
933 views

Audio - format and bitrate effect on quality

I have been interested in audio and improving its quality for a while now and after researching for a while I found out how difficult it can get when you find the answer to a question and then find a ...
Ali Hamza Khan's user avatar
1 vote
1 answer
891 views

using ffmpeg, how would i be able to transfer/convert id3 tags (artist, track name, album art etc) from mp3 to oga (opus)?

simple question, but i haven't found any simple answers (that worked). i would prefer to not have to apply them using different software, but if necessary, a batch converting .sh template would be ...
Jimmy Bungalo's user avatar
3 votes
1 answer
3k views

ffmpeg with blackhole audio "crackling" noises, why?

So I think the title explains most of this, I am trying to record my screen on macOS catalina using ffmpeg while directing the audio in using blackhole I am getting audio in but the sound is crackling,...
Nebulloyd's user avatar
  • 131
2 votes
1 answer
5k views

ffmpeg loudnorm: normalize audio volume with two pass

https://trac.ffmpeg.org/wiki/AudioVolume#LoudnessNormalization However, it is recommended to run the normalization with two passes, extracting the measured values from the first run, then using the ...
user avatar
0 votes
0 answers
980 views

Convert .wav to .mp3 with specific codec using LAME

I have two audio files, One is .mp3 format ( extension is .wav but the file is .mp3 ) and other is actual .wav format. I am trying to convert actual .wav format same as first .mp3 file. First .mp3 ...
Aaditya Ura's user avatar
0 votes
0 answers
235 views

Merge (concatenate) files with ffmpeg, specifying start time for each file

I have bunch of audio files, e. g.: audio001.wav, audio002.wav, audio003.wav etc. I need to merge all files together specifying start position for every file, like audio001.wav should start on 00:00:...
Redbraid's user avatar
1 vote
1 answer
2k views

Casting to chromecast, no sound

When I cast a movie to Chromecast, I get no sound. So I decided to convert the original video from eac3 audio encoding to mp3. ffmpeg -i media-original.mkv -vcodec copy -acodec mp3 media-mp3.mkv But ...
Jenia Ivanov's user avatar
0 votes
1 answer
183 views

Logarithmic curve for audio correction in ffmpeg

I need to apply only logarithmic amplitude correction to audio files, without time effects influence. In order to demonstrate how do I want to transform an audio, I synthesed an original triangle ...
Paul's user avatar
  • 924
1 vote
1 answer
178 views

Converting one .ts file into a number of .flac files

I have a 45 GB .ts file of a concert. I want to take just the audio of the file and convert it to a series of .flac tracks. I tried to use vlc to convert the audio to .flac and then cut that file into ...
LittleMonster's user avatar
1 vote
1 answer
479 views

What bitrate should I use when extracting channel from mp2 to FLAC with ffmpeg?

I have a stereo mp2 audio that I want to extract the right channel to a mono FLAC audio. The detected info of the mp2 is this: Audio: mp2, 44100 Hz, stereo, s16p, 224 kb/s I ran the extract command ...
reddy's user avatar
  • 113
1 vote
0 answers
441 views

Audio encoding with 2 passes in ffmpeg

I have a video with a DTS audio file that I want to encode on android. Now, on my laptop I had an old GUI that had the option to encode audio using 2 passes. I have FFmpeg on android but I don't know ...
Djloreen's user avatar
0 votes
0 answers
2k views

"Error splitting the argument list: Option not found" or "At least one output file must be specified" depending on the arguments I choose

I'm running into ffmpeg giving me errors when trying to pass arguments to it using an interface I'm creating in XCode/Swift for converting audiobooks. What ffmpeg should be receiving is: inputPath = ...
NCrusher's user avatar
0 votes
0 answers
902 views

Flac error when decoding

I have a song that cannot be converted or decoded or played with any player. When I use a flac frontend to attempt decoding i get the error: flac: ERROR, --until value is before --skip point ...
Moab's user avatar
  • 58.3k
10 votes
4 answers
8k views

Which audio encoders in FFmpeg support 8 kHz?

I have an old video (made by a Casio Exilim EX-Z40, if it matters), whose audio stream ffprobe reports as pcm_u8, 8000 Hz, mono, u8. I would like to transcode it into something modern. Transcoding ...
Camille Goudeseune's user avatar
0 votes
1 answer
2k views

ffmpeg - Encode audio as list of samples

I would like to produce a numeric list of amplitudes from an audio file. I should be able to: Specify the sampling rate (16kHz, 44.1kHz, etc) Specify the data type of the amplitude samples (8 bit ...
t-mart's user avatar
  • 103
0 votes
0 answers
308 views

How to split video files upon detected change in speakers? (ie. different file for different speaker)

I have an audio file that have 2 speakers . Audio file has conversation between them. I want to split that file in 2 parts. One part should have conversation of Person A and other should have ...
afnan khan's user avatar
0 votes
0 answers
587 views

In FFmpeg .wav to .wav conversion Header files are not matching

By using below command changing the channel map but after successful run input wav file header is not matching with an output ffmpeg -i in.wav -af "channelmap=13|14|15|0|1|2|3|4|5|6|7|8|9|10|11|12" ...
Varada's user avatar
  • 101
0 votes
0 answers
273 views

How to batch convert a specific DTS audio track language of multiple MKV files to Dolby Digital?

I now the tool PopCorn MKV AudioConverter to convert all DTS audio tracks of a MKV file to DD. It is able to convert multiple MKVs in a folder as well. But it is not able to convert only if: - MKV ...
mgutt's user avatar
  • 1,028
1 vote
0 answers
472 views

FFmpeg add music to background of video quietly (volume control)

I'm currently able to combine a video file and an audio file. The video has its own audio track. ffmpeg -i videoAndAudio.mp4 -i backgroundMusic.mp3 -filter_complex "[0:a][1:a]amerge,pan=stereo|c0&...
Ryan Loggerythm's user avatar
2 votes
1 answer
13k views

How to convert raw PCM data to a valid WAV file with ffmpeg?

I run this command: ffmpeg -f f32le -i pipe:0 -f wav pipe:1 ffmpeg version 4.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c) 2000-2018 the FFmpeg developers built with Apple LLVM version 10.0.0 (...
Maxime Dupré's user avatar
0 votes
1 answer
1k views

Can I safely connect audio out to audio in with an aux cable?

This question might be really dumb. But can I safely connect the audio output from one pc to the audio/microphone input on another pc, using an aux cable? I want to record audio from one pc on another ...
Random9392's user avatar
0 votes
1 answer
1k views

convert youtube audio to wav for linux without ffmpeg or avconv

Is there a simple command-line utility for unix available to use to convert an .m4a audio file or .webm file (that I can generate from youtube-dl) to a wave (.wav) file? I tried ffmpeg and it gives ...
Mike -- No longer here's user avatar
12 votes
2 answers
21k views

How to compile the best version of FFmpeg for Cygwin/Windows

It's generally accepted that, by default, FFmpeg comes packaged with lower-quality encoders - particularly when it comes to the default AAC encoder and the default resampler. According to these ...
Hashim Aziz's user avatar
  • 12.9k
0 votes
0 answers
1k views

Can I extract music from a .dll file?

There's an old Japanese PC game called EGG MARKET (eggm06c29_20040118.zip) that I want to extract the music from. I have no idea how to play the game itself so I may not be able to just record every ...
kusinbo's user avatar
1 vote
1 answer
3k views

Using ffmpeg apply audio filter dynaudnorm to multiple audiostreams in avi

I have a avi file video-double-audio.avi with 1 video stream and multiple audio streams # ffprobe video-double-audio.avi ... [avi @ 0x559498d59080] non-interleaved AVI Input #0, avi, from 'video-...
MuadDev's user avatar
  • 113
1 vote
1 answer
1k views

How to encode a 32 bit ALAC from a RAW using FFmpeg

Trying to compress a 32 bit floating point waveform (raw binary). FLAC is out because it only goes up to 24 bits per sample. ALAC can handle 32 bits per sample. I can encode directly from RAW to ALAC ...
user2432218's user avatar