Audio refers broadly to the information, be it acoustic or electronic, entering, traversing, or exiting some medium.

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3
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1answer
694 views

Remove audio tracks from multiple MKV files

I've got a multitude of MKV files each containing two audio tracks that correspond to two languages. In each of the files, the English language is the second track and it's the only track I need for ...
1
vote
1answer
59 views

Do I need an amplifier to listen to the signal audio coming from a DAC?

I'm planning to use a DAC (digital-analog converter) to convert signal from an optical/toslink connection (Apple TV) to my speakers with 3.5 analog jack. I'm wondering if I need an amplifier or if I ...
0
votes
1answer
105 views

Audio output from Mitsubishi HC4000 to speakers doesn't work

I don't manage to output the audio from my projector Mitsubishi HC4000 to my harman speakers, with a RCA to 3.5 jack adaptor. I've connected the adaptor to the blue and red RCA output in the ...
3
votes
2answers
153 views

Transcription Methods/Times

I figured I'd leave a question here while I did the manual labor, but what do you find is the best way to transcribe footage? I'm an editor and the first thing I like to do is create a script of ...
1
vote
1answer
39 views

Is the third RCA connector for video?

Sorry for the ignorance, but I need an adapter from two RCA audio jack to the 3.5 jack. However, looking back on my projector I see three RCA ports. Is the third one for video? thanks
3
votes
1answer
42 views

Does combining the left&right speaker signals cause me to lose part of the sound?

Ancient speaker system in the pool hall I'm in charge of. It's got that kind of jack with a red and white opening that feed together into one wire that plugs into my laptop. You can tell I know what ...
0
votes
1answer
731 views

Audio conversion from optical audio to 3,5 analog jack

I need a DAC to convert from optical audio (coming from Apple TV) to a 3.5 analog jack. I was thinking to buy something like this, but I'm wondering if: 1- can I easily find an adapter from 2 RCA ...
2
votes
2answers
48 views

How to fix an audio-set with wrong levels

I have a set of 300 audios. I use those files in an App, as the voice of an animated character. So, the thing is, that I can't find a process that take the audio, and "normalize" its levels to make a ...
7
votes
4answers
244 views

Is it a good idea to use headphones for audio production?

Is it generally a good idea to use headphones in the production/mixing of audio? And what can I do if my speakers are terrible (e.g. laptop speakers), and I'm on a shoestring budget?
3
votes
1answer
59 views

Which equipments can i buy to record sounds of animals and birds?

My friend is doing a acoustic project related to his studies. He needs to record high quality sounds from animals and birds. I don't know anything about recording audio as i am a programmer. So please ...
4
votes
1answer
111 views

Playing a channel whilst recording another in Sound Forge

Basically, I'm doing some recording in sound forge pro 10. I have 4 channels, 2 of which have the backing track on and the other 2 are to be recorded on. Is there any way that I can play the backing ...
2
votes
1answer
33 views

search for most friendly software partner for my Voice Recorder

I got this Olympus WS-750M Voice Recorder. It's really handy, and I'm getting addicted to it. What I need to match it, is a software tool, which can easily: Manage recording files Cut head/tail of ...
3
votes
3answers
111 views

Should I use a standalone compressor/gate or do it in post?

I'm recording screencasts and also dabbling in podcasting. I do video editing in Final Cut Pro X. My question is this: Is it better to use a standalone insert compressor/limiter/gate or have FCPX do ...
1
vote
2answers
130 views

How does one call the y axis of a waveform?

In many audio applications one can find a waveform representation, but the y-axis normally is never labelled. Now, if you would plot your own waveform and wanted to label it, what would be a correct ...
2
votes
2answers
68 views

Changing a wav's file format

Does anyone know of some software to convert a wav´s file format? I need to generate wav files with the following format: format: PCM_UNSIGNED 44100.0 Hz, 8 bit, mono, 1 bytes/frame thanks
4
votes
1answer
44 views

fast routing (switching) of a single output to n distinct monitors

I need to route sound from a personal computer to one of a horde of monitors. Only one monitor will be active at any one time, but I need to be able to switch between monitors rapidly (<50ms) ...
2
votes
1answer
345 views

How can I mimic the audio synthesis layers from Kraftwerk's “Tour de France Etape 3”?

I'm currently trying to achieve a similar sound from "Tour de France Etape 3". Specially the intro of the song. The same sound can be heard across the whole Tour de France Sountracks album. From ...
2
votes
1answer
85 views

Automatically synchronizing audio/video with FOSS tools?

At our hackerspace, we have a full HD video camera (Toshiba Camileo X200) with a crappy microphone input. Therefore, we use a Thomann SC450 USB microphone to capture audio on a computer. Buying new ...
4
votes
1answer
64 views

Not enough patches in my stage piano

I'm playing Synths for a production of Beauty and the Beast. The Yamaha P155 Stage piano I have is great to play, but is missing many of the required patches. I have a midi cable, mac running ...
2
votes
1answer
607 views

How to create a new stereo mix from one channel in Premiere pro cs5.5

I have a video with stereo audio, but one channel is completely silent. So the audio only plays on the left stereo. How is it possible to duplicate the left channel and create a new stereo mix for the ...
3
votes
1answer
126 views

How can I invert the amplification of two tracks?

I'd like to know how to decrease the volume of one track (either automatically or manually) as the amplification of the second track increases. So for example, if you're listening to a live radio ...
3
votes
1answer
147 views

Creating MIDI Files - Explanation of time division in header chunk

Hi, I was told not to post this on the main stackoverflow site because it doesn't relate directly to programming, but rather the structure of MIDI files: I've been reading about MIDI file structure ...
1
vote
1answer
169 views

What are the audio production capabilities in Sony Vegas Pro because I see mostly plug-ins only?

I have read that from the NLE video editors Sony Vegas Pro is better than the competitors in terms of the audio editing capabilities. But using it there still seem to be a limited set. Mostly the ...
4
votes
1answer
127 views

Determining streaming container format

I'm completely new to video/audio formats, containers, and protocols. However, I have to figure out how to decode a bitstream that contains audio and video. I do not know the transport protocol, ...
2
votes
0answers
103 views

Sonar LE freezes when using MME (32-bit) driver mode

A few days ago I started having problems with Sonar in MME driver mode. Basically it freezes when I try to execute the most trivial operations, such as arming a track for recording. It had worked fine ...
2
votes
1answer
54 views

What should I be looking for in a shotgun mic?

I am by no means a sound person. I really don't have experience with sound and especially with mics. However, I am trying to buy a shotgun mic to capture audio for video. Since I don't know a whole ...
0
votes
1answer
125 views

Where to start in music creation (virtual DJ)? [closed]

I want to make music, but I'm very big newbie here. I don't know anything about the software and the proccess of music creation. So: Is this the forum where I can ask my questions about music ...
1
vote
1answer
109 views

Status of Dirac Video, Speex audio, FLAC as tracks inside OGG container

Can someone update me with statuses of using Dirac Video, Speex Audio and FLAC inside OGG format? Are there support of desktop or mobile browsers? Also how is OGG(OGV)? Does it well supported and has ...
0
votes
0answers
123 views

Updated: Can I split 1 live stereo input steam into 2 mono streams, in Mac OS

In Mac OS ... Can I create 2 mono audio streams (is buses the right word?) from a live stereo signal input? I do not need to record these streams. I just want to convert 1 stereo input into 2 mono ...
2
votes
0answers
86 views

How do LPC encoders work

I asked this question on the DSP forum and got a reasonable answer but the answer was very technical and was wondering whether someone could give me a more general idea of how it works. My ...
2
votes
2answers
936 views

Export from garageband to audacity

I want to export ALL the audio tracks from garageband to audacity. I searched on the internet and it is apparently not possible ( here for instance), or better it is possible but one track at time. ...
1
vote
1answer
102 views

Which plugins does Wavelab 7 have (that Wavelab Elements doesn't have)?

I'm thinking about buying Wavelab 7 or Wavelab Elements 7. I'm not planning to do multi-track recordings, so I thought that Elements may be enough for me. But one major difference between the two ...
0
votes
1answer
51 views

How do I.T. conferences record and synchronise video, audio and slides?

Our company has been recently encouraging knowledge sharing via fortnightly presentations (usually on Powerpoint) with respect to tools, technologies and development methodologies. We would also like ...
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vote
3answers
77 views

Apple Hardware have Digital Output - do I need to get a high end audio card?

I've been asked a question which has got me stumped. Apple hardware generally has digital output, so what would be the benefit of installing a high end audio card? Thanks
0
votes
2answers
690 views

Audio and Frames Not in Sync in RAM Preview

Asked this question before... having same problem. When I go to the RAM preview of After Effects, the audio of the video will play on sync for a while, then will get screwy. Sometimes the audio will ...
2
votes
2answers
87 views

Recording an instructor while filming him from a distance - Take II

I again have to video our Ninjutsu club's event using my consumer Canon HF10 camcorder. As I described in my question before the previous event, the instructor demonstrates a technique and then, ...
0
votes
1answer
2k views

Audio Not Playing on Imported Video Files

I a currently editing a video and imported a .avi movie into my After Effects project. I went to check the RAM preview, but there was no sound. I checked the audio preview and there still was no ...
1
vote
1answer
221 views

FCP 7 swap in externally edited audio track

In Final Cut Pro 7, I've edited together a scene, using the original audio recordings from the video files. However, after doing so, I realized that I needed to edit the audio using an external ...
3
votes
2answers
328 views

How do I remove audio from all files in a directory with ffmpeg?

I have a directory full of short video clips in .AVI format, and I want to remove the audio from all of them. I'm using Ubuntu 12.04. I tried this command: find -name '*.avi' -exec ffmpeg -i {} -an ...
0
votes
0answers
71 views

Ethernet vs multimedia HDMI cable [closed]

I just bought a tv from my friend. I have n HD box from Comcast. When I use an HDMI cable I bought that says multimedia HDMI cable it doesn't work....but when I use the one that says Ethernet HDMI ...
1
vote
1answer
47 views

Powering a DI box

We have just installed a new sound system at my church. As part of this we are using a DI box to connect in a keyboard. The DI box needs power either from Phantom Power or a 9V battery. Our sound desk ...
1
vote
1answer
73 views

How do you make a phonograph for amateurs?

We are six students who search information about making our own phonograph. We have to make it completely by ourself and we have to use everyday components to make it. We want to base our phonograph ...
0
votes
1answer
66 views

Carver amp/receiver speaker problem

I have a Carver amp/receiver withy phono, cd and tape inputs, two sets of speakers A and B. From time to time the right speakers (or the left) will simply go out. What is wrong?
1
vote
1answer
217 views

How can I convert the AAC audio in an MP4 from CBR to VBR?

I'm trying to get MP4 video files I have created in Corel VideoStudio to play on an XBox 360 via streaming from a NAS device. In my question on gaming.stackexchange.com, it's come up, that perhaps ...
2
votes
1answer
2k views

Best Sony Vegas rendering options for audio-only on YouTube?

I am not an expert in Sony Vegas 10, still learning, but I was wondering what the best settings would be for an audio-only video for YouTube, with one image. Thinks to look at are: Best audio ...
4
votes
6answers
576 views

Normalising volume across thousands of files

For a project I'm working on, I need to produce approx 5000 voice-only recordings of approx 15 seconds each (typically each file is a couple of short sentences spoken aloud). I've approached this as ...
0
votes
1answer
2k views

How can I add mp3 audio to an mp4 video?

I have been sent a video clip from our latest gig, but it was taken on a small camcorder and the bass has overloaded the sound. Luckily I have a studio version at the same speed that I can use. I ...
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0answers
44 views

Need a balanced sounding headphones? [closed]

Need a balanced sounding (no torrid highs or too much bass) headphones (over-ear ones) - budget around 5k-6k suggestions!!
0
votes
1answer
43 views

How do I export a movie with ultra high frequency sound?

I have tried exporting a video where I have added a sound wave that has more than 19000hz, but when I export it as QuickTime, the video doesn't have any sound that is greater than 19000hz ( I tested ...
0
votes
1answer
34 views

What are some of the most interesting web browser-based audio products/utilities? [closed]

I am thinking in terms of soundcloud etc. Are there any HTML-5 (or flash) audio utilities/products that are particularly useful or interesting that you know of?