Questions tagged [audio-conversion]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
0answers
18 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:...
0
votes
1answer
148 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` ...
0
votes
1answer
44 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 ...
1
vote
1answer
84 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 ...
1
vote
1answer
75 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 ...
1
vote
0answers
36 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 ...
0
votes
0answers
88 views

Does FFmpeg support writing metadata for BWF Bext version 2?

FFmpeg will write Broadcast WAV bext version 1 metadata but I need to write bext version 2 to include loudness fields. Is there a way to write bext version 2. This works for bext version 1: —...
0
votes
0answers
48 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 = ...
0
votes
0answers
54 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 ...
9
votes
4answers
2k 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 ...
0
votes
0answers
17 views

How can I get text read aloud/into an audio format?

I would like something which will stream or output audio from a text/html file, for use while driving. If it needs to be run ahead of time, an output that can be converted to mp3 would be nice. ...
0
votes
1answer
223 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 ...
0
votes
0answers
53 views

Linux Mint:extract audio tracks from mixed mode CD image as cue + multiple bin files, or cue + img file

I have a disc image in the form of multiple bin files and one cue file (it is a data/audio mixed CD from an old game, with each track saved as an individual .bin, as shown here.), and am running Linux ...
0
votes
0answers
48 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 ...
0
votes
0answers
360 views

5.1 vs 5.1 (side) - Which channel layout in FFmpeg should I use when downmixing 5.1 to stereo?

FFmpeg uses the following 5.1 channel layouts: 5.1 (FL+FR+FC+LFE+BL+BR) and 5.1 (side) (FL+FR+FC+LFE+SL+SR) When downmixing a 5.1 audio (DTS or AC3) to stereo, which channel layout should I use? I ...
0
votes
0answers
98 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" ...
0
votes
0answers
53 views

getting started with ffmpeg command line, need assistance

I am using windows 10, ffmpeg version 4.1.3. I am getting getting started with ffmpeg cmdline version i am trying to encode video with 2 Pass with H256 8bit encoding, encode audio to aac 192kbps I ...
0
votes
0answers
130 views

How to convert AC3 5.1 to AAC 5.1 with eac3to?

How do I convert AC3 5.1 audio to AAC 5.1 audio with eac3to? Please post a command line example. Thanks.
0
votes
0answers
510 views

FFmpeg Throws Errors When Converting 7.1 TrueHD (Blu-ray Audio) To PCM Or FLAC

I have attempted to convert a TrueHD stream to PCM as well as FLAC. Throughout the encoding process, errors occur: "lossless check failed" and others. The same set of errors occurred when converting ...
0
votes
0answers
80 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 ...
1
vote
0answers
86 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&...
0
votes
1answer
2k 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 (...
0
votes
1answer
41 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 ...
0
votes
1answer
399 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 ...
7
votes
2answers
5k views

How to compile the best version of FFmpeg for Windows

It's generally accepted that, due to licensing reasons, the pre-compiled Windows executables of FFmpeg come out of the box with lower-quality encoders - particularly when it comes to the default AAC ...
0
votes
0answers
228 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 ...
1
vote
1answer
575 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-...
1
vote
0answers
339 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 ...
2
votes
2answers
1k views

Handbrake’s stereo downmixing of an MKV 5.1 audio track results in “Center” being right channel and practically nothing is the left channel

So I have successfully used Handbrake (version 1.1.2) to convert many large MKV files into smaller, iOS and macOS compatible video files I can play on my iPhone and MacBook Air for a while without ...
0
votes
1answer
808 views

Downsample FLAC file if greater than a certain sample rate?

I want to convert a whole bunch of FLAC files to ALAC using a tool like ffmpeg or sox. This by itself is easy enough with a single command line. However, I want to save disk space by downsampling only ...
0
votes
1answer
434 views

Connect a USB Digital-to-Analog Converter (DAC) to a monitor

I have a Digital-to-Analog Converter (DAC) directly connected to my computer and want to also use it with my monitor (no USB port) which is connected to some other devices (such as gaming consoles). ...
2
votes
1answer
382 views

Windows Batch & VLC Issues

Currently I am attempting to write a batch file that recursively converts all .wav files in my folder into .ogg files and places them into a folder on a different disk using vlc's command line ...
0
votes
0answers
51 views

How to convert/open audio .paf files?

I am trying to open a song file from a video game music folder. It's a tricky .paf file which I've tried to open or convert with no good results. This is my first post, I hope it's in the right place. ...
1
vote
1answer
245 views

Randomly select 10 seconds from mp3 files

I have a directory tracks with 3 files track1.mp3, track2.mp3, track3.mp3. I want to select a random chunk of 10 seconds from each file and combine these chunks into a new file called sample.mp3. How ...
1
vote
2answers
4k views

How to convert audible AAX file to M4B format, while preserving all information (including artwork)

I tried to find a solution that will allow me to batch-process a whole bunch of AAX files (which I bought over the years) into M4B. I tried using the audible-activator in order to extract the secret, ...
0
votes
1answer
792 views

Merge 2 audio tracks into one inside mp4 without re-encode video?

New Nvidia Share allows record videos with two audio tracks: one with in-game audio and second with microphone audio. How can I merge the audio tracks into one without re-encode the video? If ...
3
votes
1answer
4k views

FFmpeg `Guessed Channel Layout for Input Stream`

Consider a simple FFmpeg conversion, such as: ffmpeg -i dream.wav dream-ffmpeg.mp3 -y It produces the following warning: Guessed Channel Layout for Input Stream #0.0 : mono How can I tell FFmpeg,...
0
votes
0answers
717 views

Batch convert with video passthrough, audio recode

How do I batch convert all files in a directory from mkv to mp4 where the video is passed through (not re-encoded) but the audio is converted (re-encoded)? I thought it would be something like: for ...
2
votes
3answers
19k views

Extract High Quality vs Original quality audio from YouTube?

The name of the program being used is 4K Video Downloader. Question is, if for example, the Original Quality says it's 128k, is it really going to get any better if I try to extract it with High ...
0
votes
0answers
393 views

No sound even after conversion for mpeg movie

A number of years ago I digitized some old VHS tapes to the .mpg file type. At the time the digitization worked fine (both video and audio), but I recently went to play those files and they no longer ...
0
votes
2answers
115 views

Recover original MP3 from decoded WAV

I have a CD that was made from an MP3 source. I have since lost the original source. Is it possible to reconstruct the original source from the decompressed audio on the CD, the goal being to save ...
0
votes
1answer
2k views

conversion backward from mp3 to oma

My wife has a very old Sony walkman which plays audio files in a special format: oma. The software has stopped working and seems not to be supported by Sony any more. I thought I might try to ...
1
vote
1answer
246 views

What's a good way of batch converting tracker files?

So, as the title says, I would like to know a good way to convert tracker files (*.mod, *.xm, *.s3m, et cetera) to a format like *.mp3 or *.ogg. A command-line solution would be preferred.
0
votes
1answer
484 views

Maximising efficiency of my M4A music playlist

Reading this answer here and questions like: What lossy audio formats are more (or less) "efficient"? Are there any perceptible differences between the sound quality of 192 versus 320 kbps ...
1
vote
0answers
334 views

What are the protocols that are used in teamviewer audio chat?

My country is blocking VOIP, so basically I can't make audio or video chats. However when using Teamviewer, it's always possible to make audio and video conferences. I want to know how is that ...
1
vote
1answer
1k views

Batch video convert with FFmpeg: combine image and audio

I have a folder full of audio file with .mp3 .amr and .wav extension. I have a image.jpg. What I want is combine the image.jpg with every audio file in that folder and convert them to separate vidoe....
1
vote
1answer
57 views

How can I mass convert MIDIs to MP3s?

I happen to have multiple MIDIs, and I have to convert them to MP3s for a certain task. I simply can't trust online convertors. I have looked into using ffmpeg, but I believe it does not have MIDI ...
0
votes
0answers
155 views

Splitting from 1 to 4 stereo input streams to 8 mono streams

I wanted to know if there is a way to splitting from the files with 1 to 4 stereo streams into separate 8 audio streams in one output file. I would like to use the same command. I convert a large ...
1
vote
1answer
400 views

Converting and playing of *.cvf format audio (samsung) files [closed]

I have some old audio *.cvf format (Samsung) files that I need to Convert and play. I do not find any player or converter who can do it. Does anybody have an idea ?
1
vote
1answer
138 views

Headphone to line out

My laptop has a headphone out port. My PA wants a line in input. I've been looking for an adapter or a USB to line out. I haven't really found what I think I'm looking for. But then I don't know a ...