Questions tagged [audio]

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15
votes
3answers
52k views

How to recover audio from an incomplete or corrupted AAC/m4a file

I recorded an 85-minute AAC/m4a file using Notability on my iPad. This app has always worked well before but for some reason there was a problem this time. The relevant file shows up as having 21MB (...
9
votes
4answers
13k views

“Subtracting” specific audio using an Isolated track from the same mix.

I have an audio file (Music + Vocals) and I have an instrumental (Music Only). Is there a program or some way I can take the music file and subtract the instrumental leaving only the vocals? (Full ...
2
votes
3answers
557 views

Join audio files into one mp3?

I have a bunch of mp3 files I would like to consolidate into a single mp3. What software is able to do this quick and effectively? I have tried online conversion tools and they don't work so well. I ...
5
votes
6answers
12k views

Fix for terrible “Hard Drive Noise” Audio Interference?

When recording direct input instrument audio using Ableton, my recording is plagued with a terrible noise interference that sounds like the clicks and movements of my PCs internal Hard Disk drive. ...
4
votes
2answers
2k views

How can I cut out background noise from my footage?

I recently shot some video footage and I used the camera's mic (I know it was a bad idea, but...). Unfortunately, there was some on-going background noise (I think it was a fan). How can I get rid of ...
3
votes
2answers
140 views

Removing vocals using multiple versions of the same song

I have 4 tracks that are exactly the same, except that each one has vocals in a different language. I know how to remove center-panned vocals, but is there any way to remove them that takes advantage ...
0
votes
2answers
48 views

Converting balanced audio to RCA/phono audio - mixer needed? [closed]

I want to send balanced audio from one room to another in my home. The audio will originate from a Soundcraft Spirit Folio 12/2 mixing console desk. I'm assuming that the mix left/right and/or aux 1/...
6
votes
3answers
9k views

creating glissando/portamento with piano roll editors

I've been using several Midi sequencers with piano roll editors (Ableton, Reaper) and none of them seem to have a straightforward way to join two or more note events into a single glissando or ...
5
votes
1answer
7k views

Isolate the difference between two mostly-identical audio tracks?

I have two audio tracks which are mostly identical. I want to isolate the differences between the two. I can use Audition, Audacity, or really anything else.
4
votes
2answers
2k views

Mono vs Stereo connections

I have an RCA stereo connector with a single 1/8 inch pin. I want to connect to a mixer with a 1/4 to 1/4 mono cable to either a mono channel or stereo channel and would like the best way to do it. ...
4
votes
2answers
63 views

Is there a utility software to set a default sound output level for a number of MP3 tracks?

Some of the tracks in my MP3 collection have low output sound and this requires that I adjust volume level back and forth every time such a track plays and completes. Is there an application that I ...
3
votes
3answers
358 views

Why signal is overloaded when I use a low cut filter?

I have a stereo mix file at about 0 dbfs. When I put a high pass filter and cut below 30Hz it boost the signal +3db up. Is this normal? I tested it with different filters (plug ins only) and I had the ...
3
votes
5answers
12k views

What are the correct audio levels for Voice and Music in a web promo video?

I'm editing a promo video that will appear on the web (specifically, PledgeMusic) and I'm curious what is the current best practice for the correct audio levels (base -dB) for: Music (when no other ...
2
votes
0answers
59 views

Max audio sample rates? [duplicate]

I work as a sort of multi-purpose engineer/developer at a very small startup game company. Recently, I've been asked to help out with audio development and editing, and I've been mostly able to hold ...
0
votes
1answer
26 views

What Soundcraft Spirit Folio 12/2 mixing desk/console outputs are balanced?

I'm looking at the schematic on page 20 of the manual and am not sure myself if the outputs are balanced or unbalanced. I would like to plug stereo outputs using balanced 6.35mm jacks from either Mix ...
0
votes
1answer
542 views

Right channel minus left channel?

I have music with voice on left channel and just music on right (WAV 16 bit). I want to distinguish ONLY VOICE from file. I think it's some like left channel - right channel = voice, but i don't know ...
0
votes
2answers
513 views

Mid-range Frequency Mixing

I use FL for scoring and hip hop music production. `My question is, Are there DEFINITIVE numerical frequencies within the 700-4000hz range that ought be raised or diminished to get a sound that ...