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https://github.com/nfischer/tuningfork
:notes: Generates a .wav file of specified duration, frequency, filename, and other parameters.
https://github.com/nfischer/tuningfork
Last synced: about 1 month ago
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:notes: Generates a .wav file of specified duration, frequency, filename, and other parameters.
- Host: GitHub
- URL: https://github.com/nfischer/tuningfork
- Owner: nfischer
- License: mit
- Created: 2013-11-17T10:19:38.000Z (about 11 years ago)
- Default Branch: main
- Last Pushed: 2023-06-18T19:22:13.000Z (over 1 year ago)
- Last Synced: 2024-10-14T12:37:51.804Z (3 months ago)
- Language: C
- Homepage:
- Size: 1.67 MB
- Stars: 2
- Watchers: 5
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# TuningFork
[](https://travis-ci.org/nfischer/tuningfork)
Generates a single-tone `.wav` file of specified duration, frequency, and
file name.
## Install
```bash
$ git clone https://github.com/nfischer/tuningfork.git
$ cd tuningfork/
$ make # this creates the binary
```
From there, you'll have to copy the binary manually to your `PATH`, or just use
a full path to the project location.
## Details
### tuningFork.c
The main file is `tuningFork.c`, a C file designed to create a `.wav` file of
specified duration, frequency, and filename. This takes user input for these
parameters from a prompt, checks for valid input, and then creates the file if
all parameters are valid.
The `.wav` file is stored in memory until the file is written in order to
improve file I/O, so don't generate large files on systems where RAM is a
limitation.
Recently, a lookup table was added to minimize sin computations. This bumped up
performance a great deal. Now, on some systems, it can generate a 6000 second
(100 minute) `.wav` file in under 15 seconds (under 3 on some solid state
drives). You can benchmark our program yourself!
## Usage
Example prompts and input:
```bash
$ make # create the ./tf binary
$ ./tf # be completely interactive...
Input desired frequency (Hz): 440
Input desired duration (sec): 10
Enter desired file name: first.wav
$ ./tf -d 15 -f 220 # pass some options...
Enter desired file name: second.wav
$ ./tf --default # or use all default values (see below)
```
You can change the default name, frequency, and/or duration with the
following options:
| Option | Description | Default |
| ------------------ | -------------------------- | ---------- |
| `-f`, `--freq` | Specify frequency | 440Hz |
| `-d`, `--duration` | Specify time duration | 10 sec |
| `-n`, `--name` | Specify file name | "A440.wav" |
| `-c`, `--channel` | Specify left/right channel | "both" |
| `-h`, `--help` | Display the help menu | |