Audio refers broadly to the information, be it acoustic or electronic, entering, traversing, or exiting some medium.
2
votes
1answer
331 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
votes
2answers
954 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 ...
1
vote
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 ...
0
votes
2answers
585 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?)
5
votes
0answers
152 views
How can I set PulseAudio to use convolution
I'm using Ubuntu 11.04 and PulseAudio.
I made impulse to correct bass response on my speakers and would like to use it globally.
I can set Jack through jack-convolve plugin to use my impulse, but as ...
2
votes
0answers
73 views
Transcoding DV Without Desyncs
I've recorded DV video from my camcorder over FireWire, and it plays fine in OSX. However, when trying to transcode it to H.264 for editing and uploading it to YouTube, the audio desyncs. I've been ...
5
votes
2answers
244 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 ...
6
votes
3answers
141 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 ...
0
votes
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
votes
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 ...
3
votes
2answers
134 views
I want to connect my iPod using the headset jack to a portable PA system and am worried about phantom power
I have a Liberty 4500 portable PA system and a headset plug to male XLR adapter.
I am afraid the phantom power from the Liberty PA system will fry my iPod.
How can I prevent it from happening?
3
votes
1answer
661 views
Garageband export volume issue.
Alright, so I have Garageband and Soundbooth. I am composing sounds for a video game in Garageband and have an explosion in the project. I have the volume so that when I play it in Garageband it plays ...
4
votes
2answers
730 views
Why does does my audio go out of sync every time I reencode either the audio or video stream?
I have a video in an AVI container. The video is H264 AVC and the audio is VBR MP3. (I don't know if this is relevant— I recorded it in from an analog video capture card, from a VHS. The ...
2
votes
2answers
131 views
What is the title for someone knowledgeable in all that is related to sound?
I'm basically looking for a title that is more broad than an Audio Engineer.
Basically, I'm looking for a title that would cover a:
Musician (of their preferred instrument and/or more);
Recording ...
4
votes
1answer
303 views
extract specific frequencies from audio
As you can see from the spectrograph, there are two melodic lines in this excerpt. These two voices are played by different instruments. Is there a tool (preferably free) that will allow me to extract ...
5
votes
3answers
646 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 ...
5
votes
3answers
122 views
Converting voice into modem sounds
I'd like to record my voice and apply some effects on it. The final result should remind the listener of phone lines or some modem sounds, but only the melody and rhythm of the language should be kept ...
3
votes
1answer
88 views
Extracting conversations from a long WMA-File
I have a few wma-files all about 2h long each.
I was going around with a microphone interviewing people. I did not turn the recording off in order to not miss anything. Now the problem is filtering ...
0
votes
2answers
394 views
Appropriate background music for a webapp screencast
I'm making a screencast tutorial of a webapp. It's primarily boring.
Can anyone recommend an appropriate soothing background music from the FCP audio content?
This will be my first time using Final ...
2
votes
1answer
103 views
What are the most common text-based music/audio notation systems?
I am trying to find a good all-text (type able) musical notation system that already exists* and that has some usage and credibility.
Ideally, such a system would allow very simple musical ...
9
votes
7answers
2k views
What are some disadvantages of audacity?
I've been using Audacity for a while and it seems like the perfect recording studio: free, open source, great features, easy to use, its easy to fall in love with. However, I want to have a more ...
2
votes
2answers
144 views
What is the best way to make music play more slowly? (at any arbitrary speed)
And what is the best program to use for that?
6
votes
2answers
910 views
How to eliminate guitar amp hum (software and hardware amps)
There's nothing quite like the sound of a guitar playing into a warm tube amp with the pre turned up high and the post turned down. There's also nothing quite like the hum you get out of one of these ...
8
votes
1answer
148 views
Can opening closed speaker cabinets for service affect the sound?
I have two pairs of speakers that could do with opening them up to investigate problems--one decades-old set of Celestion hi-fi speakers that has developed a rattle, the other a set of M-Audio ...