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Questions tagged [gain]

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Preamp self noise as it relates to an increase in gain

Taking the following basic audio signal chain... singer -> microphone -> audio interface preamp I understand that if a vocalist sings very softly into the microphone, the desired signal would be ...
4Matt's user avatar
  • 113
0 votes
1 answer
24 views

3.5mm Dynamic Microphone Output into Mixer/Interface

I am hoping for a recommendation on the most simple product that can work as both a mixer (4 channels would be sufficient) and a mic preamp/converter for some variety of old/quirky microphones that ...
moc's user avatar
  • 3
0 votes
1 answer
77 views

Why does compression acheive a louder volume without feedback?

Why can you reach a much higher volume for a vocalist (without feedback) if compression is applied? This has been my experience so far, and I'd like to understand why this is. When you add an input to ...
Lonnie Best's user avatar
1 vote
1 answer
74 views

gain value at intermediate knob positions?

I study and record bat calls using consumer audio devices. I've been using the Fireface USB audio interface series (802, UC, UCX) along with their other 4 channel preamp devices. The gain knob has 3 ...
Thejasvi's user avatar
  • 121
0 votes
1 answer
70 views

Understanding microphone and recorder/preamplifier noise specifications

I am currently trying to understand the connections between microphone sensitivity, decibels, signal-to-noise ratio, bit depth, dynamic range, etc. A picture from which I expect a lot to understand ...
steelcook's user avatar
1 vote
3 answers
398 views

Preamp Outs Clipping on my AD Converter ins, but not in DAW. Is it bad?

TL;DR: Do I need to avoid clipping on my AD Converter as well as the input in my DAW when gain staging? how much headroom should I leave on a track once it leaves my Preamp, and hits my AD Converter ...
dobbs's user avatar
  • 138
0 votes
0 answers
618 views

Can the ffmpeg `loudnorm` extension be used to guarantee a maximum volume in an audio file?

I'm looking at a way to ensure an audio file doesn't ever get too loud, but I do not want to change the samples if it is under a given threshold. For example, I would like the file to have a maximum ...
Alexis Wilke's user avatar
0 votes
2 answers
104 views

What amplifiers or other ICs offer fine digital volume control (0.1dB steps)?

I'm looking for a way to digitally modify the gain of an amplifier/DAC/codec in very precise intervals (0.1-0.2dB). My current process involves generating a sine wave with a DAC and then running it ...
meekeech's user avatar
1 vote
1 answer
380 views

Difference between gain and normalization whole track in Audacity

In Audacity there is a gain slider on left side of a track. To increase volume i can use either gain or Normalize the whole track to a certain level. Is there any technical difference in terms of ...
chanchal118's user avatar
1 vote
1 answer
110 views

What is gain when the input is digital and the output is analogue?

I understand that the gain of an amplifier is the ratio between its input and its output. E.g., a 6dB gain means that a 3V input gets amplified to 6V. How is the gain defined if the input is a 16-bit ...
user1202136's user avatar
1 vote
2 answers
82 views

Quality loss when using high amounts of gain in DAW instead of recording louder

Does it result in a loss in quality for my audio file, if I record really silent and have to apply strong gain (+30dB) in my DAW, instead of just recording the signal a little louder by increasing the ...
Sir hennihau's user avatar
-1 votes
1 answer
1k views

Lapel Mics (Receiver) – Why use 'AF Out'?

Under what circumstances would one increase the AF out on the Receiver for wireless lapel mics? Currently we just increase the Gain controls on the H6
alexh's user avatar
  • 155
5 votes
2 answers
525 views

How do I improve the Signal to Noise Ratio of low level signals?

I'm recording breathing sounds (inside anechoic chamber) with a MEMS microphone in a custom housing. The sound level is low; and near the noise floor of the mic, so we have a lot of input gain and ...
Adam Ratcliff's user avatar
1 vote
1 answer
67 views

Do dynamic headset mics require a lot of gain?

Do dynamic headset mics require a lot of gain (compared to condensor mics)?
Omid Kamangar's user avatar
1 vote
2 answers
2k views

Practical difference between channel gain, fader and amp gain

Why do channel gain, fader and amp gain all seem to affect the sound differently, particularly when it comes to feedback? Is this just a placebo effect? Is it a symptom that something is connected ...
Carl's user avatar
  • 111
2 votes
1 answer
633 views

Shure SM57 with lost sensitivity

I've got a Shure SM57 that appears to have lost a great deal of sensitivity. For the longest time I couldn't figure out the issue and was changing preamps, cables, gain staging, etc. But I recently ...
Tony Beninate's user avatar
1 vote
2 answers
519 views

My mic has low gain

I have an Avid Mbox 3 soundcard. It has a preamp built in, but it does not do the job for me when it comes to getting a respectable gain. the mic I'm using is a rhode NT-1A, pretty decent condenser ...
RedaBitar's user avatar
  • 113
0 votes
1 answer
663 views

How can I compress Mic input using a virtual sound card?

Is there a way to set up a compression VST on the default input of my mac? e.g. I want to make a skype call and I have my USB soundcard as mic input, is there a way to set up the default input as my ...
RedaBitar's user avatar
  • 113
1 vote
3 answers
7k views

Can an audio interface's gain control mute the input source?

I have a Focusrite Scarlett 2i2 USB audio interface, and a Rode Nt1 Kit Mic. Up until today, I thought turning the gain controls on the audio interface all the way down would mute the mic, but today ...
Omid Kamangar's user avatar
6 votes
5 answers
6k views

How to ensure uniform sound levels in multiple WAV files?

I require that the sound levels of all the songs for my project are uniform. The songs are from different albums and different artists, hence they are not uniform from the perspective of volume level. ...
vigamage's user avatar
  • 173
1 vote
0 answers
980 views

Audacity Recording volume too low

I've been using an AT2020 USB directly into my 2015 macbook Pro retina and recording in Audacity. I recently wanted to upgrade to a nicer mic. Every mic I try, the volume is super low. Increasing the ...
DILP's user avatar
  • 111
2 votes
1 answer
224 views

Compress more than once? (VO multi-mix)

I'm a bit new to all of this, so I just wanted to get some advice from some pros. I'm doing VOs for different segments that are all going to be strung together into one final track. In stage 1 of ...
Superion's user avatar
1 vote
1 answer
1k views

Approximate the Sound Forge "RMS Normalize" function using Sox?

In Sound Forge (Sony), there is an option under the Normalize function to normalize on RMS. You can choose a desired peak RMS value and it will bring the gain up as necessary to cause that value to be ...
fdmillion's user avatar
  • 111
2 votes
3 answers
2k views

A condenser mic gain tuning on a mixer

I am working with a pair of condenser microphones. My mixer's gain knob should be turned on about half of single step (almost "minimum") to adjust the sensitivity each of one. Is there a trick, how I ...
Ruben Kazumov's user avatar
4 votes
2 answers
2k views

How much of an effect does gain structure have on feedback?

When I was a beginner live sound engineer, I was taught that if my gain is set too high, my mics would run too hot and increase my chances of feedback. I experienced this in practice and would double-...
user avatar
0 votes
2 answers
122 views

obviate extreme gain noise

Anyone knows about the lack of preamps to provide extreme gain setups? Even my sound devices 702 gets very noisy at the end of the gain range. Today i stumbled across this little device. It's a pre-...
Andreas Usenbenz's user avatar
1 vote
1 answer
7k views

Analog vs Digital metering

I mixed for 3 years on an Allan and Heath as well as several other analog consoles and was used to running my channel gain at 0db with the transient peaks never reaching above +6 (this is unity gain ...
skids89's user avatar
  • 296
37 votes
8 answers
62k views

What is 0 dB in digital audio?

Everyone here should know that the reason decibels (dB) are unitless is because it is a ratio: So, I somewhat understand why decibels are "negative" in Audacity an other digital audio workstations. ...
Cole Tobin's user avatar
1 vote
2 answers
839 views

protools 10 clip gain line and volume issue

What is the real difference between editing the the clip gain line and the volume line in protools 10
alidav's user avatar
  • 107
9 votes
3 answers
13k views

How do I know what volume to set my podcasts at?

Recently I have been making podcasts which consist largely of two to four people talking. I am a complete newbie to the process, and I know little or nothing about audio production. Volume is ...
Questioner's user avatar
2 votes
2 answers
245 views

The 'Sonic' Planck

I've been in a philosophical kind of mood as of late, and I've been pondering this question/concept for the past few days and I've love to hear others' thoughts and ideas on it. Not really a right or ...
Stavrosound's user avatar
  • 6,699
2 votes
2 answers
2k views

Field recording gain staging - Desirable input level and processing

Hello, I am new to field recording and had some questions pertaining to gain staging for recording sound effects and ambience. What is the recommended desired input level for both sound effects and ...
user5573's user avatar
0 votes
6 answers
8k views

lack of gain, Zoom H4n with Rode NGT2

I have just recently purchased a Zoom H4n and Rode NTG2 and I am also having the same problems with not enough gain (recording in stereo, with or w/o channel 1 and 2 linked and with or w/o mono mix ...
David's user avatar
  • 51
5 votes
6 answers
938 views

Pro Tools 10:Region Gain

I encountered an error this week after spending a week on a feature film dialogue edit where I was charged with leveling the audio using region gain within my dialogue edit. The mixer is not working ...
Karol Urban's user avatar
  • 1,614
0 votes
2 answers
2k views

Does the Signal/Noise ratio keeps constant as you rise the gain?

I have written about this question in my blog. I appreciate your opinions. http://javierzumer.com/en/test-niveles-de-ganancia/
Javier Zumer's user avatar
2 votes
4 answers
589 views

DIalogue editing and when you need more gain?

Quick little question. Doing some Dial editing and in some scenes the production sound guy recorded things way too low. The 12db of gain I get from the trim plugin in PT just is not enough. Do you ...
Michael Gilbert's user avatar
1 vote
1 answer
2k views

Whats the purpose behind the gain switch on some amps?

I have been wondering why so many amps comes with a gain button/switch? It seems to boost the mids, but can someone please explain what's the purpose, reasoning and history behind the gain feature ...
user avatar
21 votes
6 answers
107k views

How do you use gain effectively?

Have read a few descriptions and understand basically what gain is, but I am quite the novice with audio work. I've never heard gain or it's usage described by those who are really familiar with it ...
That Realtor Programmer Guy's user avatar
3 votes
9 answers
13k views

zoom h4+rode ntg-2(other external mic, too) = extremely low volume

greetings, I like field recording both in city and nature environment and have a question: I've been using Zoom h4 with its internal mics and really like it. I tried three different types of ...
Jiyeon's user avatar
  • 41
1 vote
5 answers
369 views

quick question need answer ASAP concerning the cannon 7d's audio features

I'm shooting a corporate video and we're using a canon 7d, I've got the mini jack connection, me 66, boom pole and all the works I just want to know very badly if the camera has an audio level setting ...
JM V's user avatar
  • 385
11 votes
1 answer
4k views

What do sensitivity measurements of microphones really mean?

Microphone sensitivity is usually measured in mV/Pa. If one mic is say 25 mV/Pa and another is 13 mV/Pa how much more sensitive is it in application? How can I figure out how much more gain the mic ...
bpert's user avatar
  • 803