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2
votes
2answers
71 views

Why do mp3 have sample rate?

So my understanding of mp3 or any lossy file format is that a lossless audio such as wav will be sampled at some rate i.e. 44.1kHz and the mp3 will compress each second of that to a constant rate of ...
2
votes
4answers
195 views

48kHz vs 44.1 kHz

I've been brought on for editing audio on a project (the audio isn't going to a video at all it is just for the audience to listen). The recording engineer has recorded this audio at 48 kHz, even ...
1
vote
1answer
39 views

How to handle conversion of 32728 Hz for playback on common software/devices? [closed]

I've been working on converting the soundtrack from a video game from its original format to something that you can easily play back on regular consumer devices. The system is Nintendo 3DS, utilizing ...
1
vote
1answer
45 views

Verification of upsampled audio file

I hope this is the correct forum. I started to do some programming involving sound recently and have encountered a lot of technical terms that are all foreign to me. I am slowly learning about them ...
-1
votes
2answers
165 views

44.1 vs 48 kHz for talk?

For doing a tutorial video cast, is there any reason to use 44.1 vs 48 kHz sampling rate? I'm exporting out of Screenflow and these are the two options for sample rate.
1
vote
5answers
452 views

What sampling rate and bit depth would be necessary to make a digital recording indistinguishable from the original?

I'm assuming this is a solved question (please cite sources). It seems like a 96kHz sampling rate with 24-bit samples is standard for high-resolution audio, but is this considered to be ...
-3
votes
1answer
93 views

Interpreting sampling rate of mp3 files

I thought mp3 encoding doesn't have a uniform sampling rate, how then sox --i shows sampling rate field for mp3s? I see 44100 sampling rate for an mp3 file.
1
vote
2answers
187 views

How to convert a stereo MP3 to mono MP3

We had an MP3 created for a message greeting on our phone system. It is stereo MP3, not sure what the bit rate is, but is sampled at 44.1k. Our sound system requires it to be in this format: 16 bit ...
1
vote
2answers
153 views

Why I hear shrieks that have the same pitch as sample rate when the frequency of the signal is very small?

Usually, human can't hear sound with a frequency lower than 20 Hz, but what's confused is, some very slight shrieks generate after I sampled a 1 Hz sine wave with a high sample rate. To be precise, ...
2
votes
0answers
51 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 ...
2
votes
2answers
571 views

Sound Card Design: Why 96Khz/24bit?

I'm in the process of designing a soundcard. However, I'm a little confused over one aspect. The primary usage of the soundcard's output will be playing 320kbs mp3s through a program (Traktor, VDJ, ...
3
votes
1answer
602 views

What is the proper way to reduce audio sample rate and bit depth?

When presented with a lossless audio file, what is the proper way to reduce sample rate and bit depth? When reducing bit depth, I understand that I should apply dither, but I don't know what scale or ...
2
votes
1answer
121 views

How to correctly slow down the track to compensate for wrong bitrate?

I have some ripped tracks from an audio CD which originally had the music in 44100Hz bitrate, but it's encoded as 48000Hz. The pitch is definitely higher and so is the speed. How do I properly reduce ...
0
votes
1answer
259 views

sampling rate in .wav file

Hi everyone! I'm a newbie in sound generating and currently I'm coding assembly for playing a .wav file. What I have learned by all my searching is that in the structure of a .wav file there is some ...
2
votes
4answers
704 views

Sample rate for FX question, 48k or 96k

Hi, I'm a little confused on sample rates for fx recording and thought I'd post here. I'm recording some fx that I want to use in a variety of contexts, sound design material and for music. I want ...
1
vote
1answer
2k views

iPhone 5 Bit Depth & Sample Rate?

So, are we expecting the newly released iPhone 5 to have an increase in Bit Depth & Sample Rate capabilities for audio recording software / hardware? I scoured the tech specs on Apple's website ...
0
votes
1answer
2k views

What is the maximum sample rate/bit depth of the iPhone for recording?

Hello. I've been wondering for a while now about the recording capabilities of my iPhone. With the addition of the Apogee Mic and others it could be a good little recorder maybe? But I wonder, does ...
2
votes
2answers
271 views

Sync Issues and sample/bit rates

Hi, ive been recording sound for a tv show recently. I record the sound separately to the camera using portable recorder and a couple lapel (wireless) mics... Checking that on the camera their ...
0
votes
2answers
170 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 ...
6
votes
2answers
148 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?
3
votes
3answers
543 views

Upsampling Sounds Prior to Processing

Let's say you've got a batch of raw sounds you're working on for your library, making versions of them that are more 'production ready.' Let's say that these sounds are 44.1 KHz / 16 bit. I find ...
4
votes
6answers
429 views

Why do some companies still sell SFX with 44.1 kHz sample-rates ?

Hi, I was wondering lately about differences in samplerates of wellknown sound libraries. Why does Sound Ideas, or other sound sellers, still deliver their libraries at 44.1 kHz instead of 48 kHz, ...
3
votes
7answers
2k views

What sample rate do you use/prefer?

First question so apologies if it's not up to scratch. Feel free to let me know :) I'm wondering what sample rate you like to record at and what the sample rate generally is of any sound effects that ...
0
votes
3answers
3k views

understanding sample rate conversions in Logic

Hi, when working on sound design for video in Logic 9, i use a project template with a sampling rate set at 48000khz. the source material i use vary in sample rate, hence i need to convert it all to ...
1
vote
4answers
405 views

Batch changing bit and sample rate

Here's something I never thought I'd do here... ask a question related to my day job. :D I'm a technician in a nursing simulation lab -- I get to play with human simulators all day -- and I've ...
2
votes
2answers
218 views

What are Your Preferred Bit/Sample Specs for Commercial Libraries?

Over the past 10 years I've been making most of my living doing stock libraries, patches, virtual instruments etc which were geared pretty specifically toward musicians. These days though, I'm doing ...
0
votes
2answers
438 views

Sample rate options on field recorders

I think this is a variation of the question that has been asked over and over, but I want to be sure I'm doing the right thing before buying a new field recorder. Currently I use the Tascam HD-P2 ...
1
vote
4answers
337 views

sample rate confusion

hi, either i have a workload-related blackout or i'm missing some basics..... i just completed editing a project consisting of audio material which was originally 44,100Hz. the audio is intended to ...
5
votes
10answers
3k views

What's your strategy behind 192kHz recording?

Lots of us record at at 192k for the 4x sample rate improvement, but how does that translate to a more useful or flexible sound file? According to Tim Prebble, plug-ins are more effective at 192k ...
3
votes
8answers
789 views

When will films be mixed at 96K?

In my opinion, I hear a drop in quality going from 96K to 48K.K. When do you think it will be standard to mix a film at 96K or possibly 192K and have it stay at that sample-rate? What are your guys' ...
6
votes
9answers
2k views

What's your method of making time slow down?

There are a number of different ways to make audio slow down. I'm talking about sound that slows (and pitches) down to a stop, much like if you were to stop the motor on a record player without ...