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

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585 views

Merge audio and video in post-production

I have recorded a few video clips of a childrens' choir concert, using an OK external microphone to my Canon 5DII. Because the position of the camera wasn't really ideal for audio recording, I ...
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0answers
182 views

Desktop Audio Visualizer software/widget

I've been desperately trying to find a simple "widget" that sits on my desktop and visualizes any system audio. Preferably something simple, somewhere between a VU meter and a full on visualizer ...
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2answers
130 views

'Future-proof' Live Audio Capture & Broadcast

I'm looking to implement some live audio broadcasting functionality within a Ruby on Rails site for a client and was hoping I could get some input from people who have tackled this type of thing ...
1
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1answer
314 views

3.5 mm vs RCA for home stereo (both unbalanced)

I have two home stereo amplifiers in different rooms. I tried connecting Zone 2 with (the other room) with 50 feet of RCA cable and noticed there was some noise (I live right next to an AM radio tower ...
2
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2answers
115 views

Beginner question: Connect pc to analoge television

We've still got an old fashioned analoge television downstairs. Upstairs is my computer. I've got UTP cat 5e from the television to the computer with a length of about 15-20 meters, but I cannot plug ...
0
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1answer
868 views

Is it possible to access multiple audio tracks in AVI file in Adobe Premier CS5.5?

Is it possible to access multiple audio tracks in AVI file in Adobe Premier CS5.5? I see only first track. UPDATE Please, don't doubt file has multiple audio tracks as I said. This is the ...
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2answers
1k views

Make quiet parts louder and loud parts quieter

I was recording gameplay of Mass Effect 3 and for some reason the mic input is way louder than the game volume. They're both recorded on the same track but it has really loud parts and really quiet ...
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2answers
112 views

How to amplify a collection of sound files

I have up to 200 audio files which are really short (2,3 seconds maximum) but they need to be amplified. 1) Is there a fast way of amplification for a playlist of sounds? also... 2)Is there a ...
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2answers
138 views

Sampling frequency Vs. Audio Frequency

If I record something that is at 500Hz audio frequency then the sampling frequency will still be 44.1Hz. How does the 500Hz audio frequency fits with 44.1KHz sampling frequency? If the sampling ...
4
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3answers
169 views

How do audio engineers (physically) treat rooms for studios?

Here's my problem: I live in a small apartment downtown São Paulo - it's noisy as it can be. Loud traffic, people screaming and buses circulating day and night. This was never a problem - I usually ...
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2answers
218 views

Setting up side-chain compression in Sonar

I want to configure side-chain compression in Sonar LE, but I don't know how to do it. I have two tracks: a voiceover and music. I want the music to duck while the voiceover is talking. I can ...
0
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1answer
81 views

How to recognize deep from loud sounds?

I found a player at newgrounds.com time ago (cannot find it now, forgot the url, will comment if i find it) that has two pairs of speakers. The upper pair plays loud sounds or screamy sounds but the ...
2
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2answers
622 views

How do I test audio cables?

I have dozens and dozens of cables. XLR, 1/4", a few TRS cables, and some adapters and hybrids. Some are less than a few years old, some are decades old, a few may be older than I am. And every so ...
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1answer
464 views

When I load the track in garage band, I can hear it, but I can't see it!

My friends and I do a radio show and we use Garageband to record our individual tracks. Then they get uploaded to our site, where I download them and drag the entire file into Garageband. Voila! ...
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2answers
112 views

Treating plosives on voiceovers

I'm doing some voice recordings and I noticed that sometimes certain letters sound louder than they should: K, S, E, et cetera. What they all have in common is that they send a huge wall of air ...
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3answers
154 views

How can I View Audio in Real Time?

This may seem like a dumb question but I don't know where else to ask it! One of things I like to do with music is check out wave patterns, spectral phases, etc, if for no other reason than they look ...
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2answers
94 views

Video Archiving Tool

I'm collecting some video and audio files. I need a tool to create a searchable archive from them that will be able to store video /audio path, meta data (Name, Director, description,...) and tag ...
2
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2answers
91 views

What are the options for manipulating video in live situation? Kinda like a VJ

I would like to experiment with live videos when I'm playing as a DJ. I'm a windows user but I can migrate to GNU/Linux and I have money to spend on software. I remember trying Virtual DJ's video ...
2
votes
1answer
352 views

How can I make smooth audio transitions when editing a video?

I have a video that is essentially one person talking, with a crowd of people listening and responding. What I'd like to be able to do is edit out some sections of the speech. I need to do this in my ...
6
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2answers
185 views

How is it possible to hear something at 44.1Khz?

Since our hearing range is said to be 20Hz to 20,000Hz. So, how can we possibly hear something at 44.1Khz? Or do we hear only half of the sound produced at 44.1Khz by any audio CDs? What is going on?
2
votes
1answer
104 views

What effects or alterations should I consider for clarity of audio in my video?

I should start out by saying I know just about nothing about audio. I have Audacity, and I've used it for the most basic things like trimming and combining audio clips. I have a video that consists ...
2
votes
1answer
43 views

In what order do I make edits to audio in a video clip?

I have a video of a live performance that was recorded on three different cameras. One of the cameras captured the audio much better than expected, so that is the main audio track I am choosing to ...
1
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1answer
71 views

What is the best way to distribute an audio/video feed from a computer to TVs over existing indoor coax cable?

We have existing coax cable in our office building and we'd like to put displays in our lobby and some other rooms in the office (where there are existing coax jacks). We'd like these displays all ...
4
votes
1answer
204 views

General (studio) headphones question; impedance, tonality, mixing

I picked up a pair of beyerdynamic DT 770 PRO (250 ohm) headphones a couple of days ago. My reasoning being I don't have a decent pair (I borrow a cheaper pair occasionally, AKG K77s), and my room has ...
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2answers
941 views

AE - Imported mp4 seems to be missing audio

I'm new to After Effects, but my experience with video editing so far has been that audio and video are treated separately. When I add an mp4 to my composition, I get the video element, but I can't ...
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2answers
1k views

Can someone please explain to me what each bar of the equalizer means?

I mean I'm pretty new to sound engineering. Can somebody at least introduce me to what each bar on the equalizer of a music player stands for and how would they effect the quality and perception of ...
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2answers
7k views

Input output devices listed as inactive in device set up (Cubase 5)

Totally new to Cubase. I have installed Cubase 5. Before even getting into recording I want to enable audio input output so that I can add some basic presets and play. I got to know that Audio ...
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0answers
50 views

Network jitter in VoIP [closed]

I am interested about the network jitter introduced in VoIP and, if possible, in video conferencing. Does anyone know where I can find actual traces of VoIP calls and/or video calls so that I can ...
2
votes
1answer
59 views

What is a stereo pair of samples called?

I'm a part of a development team working on an audio processing application. We have the silliest problem that's already caused us some trouble coding. We work with stereo audio signals, and when ...
0
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1answer
123 views

Cost-effective ways to start a home studio with Pro Tools?

What is the best way to purchase Pro tools and computer in order to run it? I am starting up in creating my own studio and based on your advice and other positive input from many other sources I want ...
2
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3answers
71 views

What is it called when there are several channels of audio playing over a video?

I'm editing a video where there are several channels of audio playing over it. I have things like background music, sound effects, etc. Would it be correct to call them audio channels or is there a ...
2
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0answers
326 views

Stream multiple sound sources via mms/rtsp using pulseaudio

I have a server with about 20 different sound capable applications. Lets say each application gets a ID between 10 and 30. I could then do it by launching each application by padsp -s ...
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3answers
507 views

How to find the playing time (length) of a .acc audio file accurately

I need to accurately find the playing time of .aac files. This time is needed to determine the length of a video cut. This is for a GNU/Linux Bash environment (a windows tool which works in wine ...
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1answer
61 views

Where can I find resources for self-learning of audio-video production concepts

My father has an audio-video production studio that I wanted to inherit. However, I majored in computer science and have no clue whatsoever about how audio and video production works. The problem here ...
2
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1answer
328 views

What is the equivalent samplerate and bitdepth of FM radio?

At its best transmission quality, what is the equivalent samplerate and bitdepth of FM radio? Thanks.
2
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5answers
335 views

Batch processing solution for audio files

I'm looking for a way to batch process large amount of audio files (ogg and wav formats). Ideally, a solution that works from a Windows' command line, allows conversion between formats, allows ...
5
votes
3answers
3k views

Stream Windows audio over the network

How would I take all sound on a windows machine and broadcast it over the network for other machines to hear? I can find instructions for individual apps, but I don't want to do this on a per app ...
2
votes
2answers
951 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
1answer
1k views

How to do live monitoring of audio input on Mac? (i.e. hear the input sound on audio out)

How to do live monitoring of audio input on Mac? (i.e. hear the input sound on audio out) Is there a generic way to do this or is is application specific?
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2answers
584 views

sub-100 pound/dollar SPDIF/coaxial audio input into USB (mac lion and Win 7 64 compatible?)

Can you recommend a sub-100 pound/dollar SPDIF/coaxial audio input device into USB (mac os x lion and Win 7 64 compatible?)
2
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1answer
79 views

Digital Performer - Copying Between Projects

Is it possible to export an entire chunk/sequence from one Digital Performer project file and import it into another?
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2answers
289 views

Assigning analog audio to play with HDMI/DVI video on an A/V receiver

I've got a computer I use to play a lot of media. The computer has a DVI video output and a standard analog audio soundcard. I currently have an audio-only receiver so I set the receiver to use the ...
3
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2answers
145 views

Balance Main Mix Between Multiple Speakers

I'm designing a small PA system. I currently have the following setup (stereo main mix into 2-channel amp with 4 speakers [front and rear in parallel]): +------+ +---+ +------+ ...
5
votes
2answers
243 views

Why does higher quality audio have lower volume?

Anecdotally I've noticed that higher quality videos, whether be a 1080p HD video on the TV or a BluRay rip on a computer, the volume seems to be lower than a standard quality video. I've noticed this ...
2
votes
1answer
1k 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 ...
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3answers
145 views

How would you go about restoring old voice recordings?

I have some old voice recordings I would like to restore and I'm not sure what software I should use and in what order I should apply the different transformations. They were digitized a while back ...
2
votes
2answers
580 views

Simple free program to add audio to video?

I am looking for a small free tool that will allow me to add some audio to my video. Windows movie maker doesn't seem to work well from some reason. Any recommendations?
6
votes
3answers
140 views

How far apart temporally can two sounds be heard while still sounding like they are playing at the same time?

I am trying to synchronize music played on different computers. I've been collecting quantitative information to try to identify sources of asynchrony. I would like to know how far apart in time two ...
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0answers
62 views

how to play audio file continously [closed]

im using asp.net db is sql server.I have number of audio files added in my project for particular time. for a fixed time period i have one audio file assigned to play. my problem is how to play these ...
3
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1answer
281 views

What's the difference between a vocoder and a harmonizer?

As a follow-up to this question: What is the difference between Autotune and a Vocoder?, let's get into the nitty-gritty about vocoders and harmonizers. For example, in Imogen Heap's famous Hide and ...