.pcm is Pulse Code Modulation
| Feature | Description |
|---|---|
| File extension | .pcm |
| File format | Uncompressed digital audio |
| Encoding | Pulse-code modulation (PCM) |
| Bit depth | Typically 8, 16, 24, or 32 bits per sample |
| Sample rate | Typically 8, 16, 24, or 48 kHz |
| Channel count | Mono or stereo |
| File size | Depends on the bit depth, sample rate, and channel count |
| Applications | Audio recording, editing, and playback |
What's on this Page
A PCM (Pulse Code Modulation) file is an uncompressed audio file format that represents digital audio data using a raw stream of samples. It's a widely used format for high-quality audio, preserving the original sound without any compression or loss of data, such as music and voice recordings.
To open a PCM file, you need an audio player or software that supports this format. The programs that can open PCM files will depend on the operating system you are using. On Windows, some popular options include Adobe Audition, Audacity, and Windows Media Player. On macOS, some popular options include Logic Pro, GarageBand, and QuickTime Player.
PCM and WAV (Waveform Audio File Format) are closely related. PCM refers to the method of encoding audio, while WAV is a file container format that can hold audio in PCM, but it can also contain other audio compression formats. Essentially, PCM can be thought of as the audio data itself, while WAV is the file format that can contain PCM data.
In other words, PCM and WAV are both uncompressed audio file formats. However, there are some subtle differences between the two formats. PCM files are typically smaller than WAV files, because they do not include any metadata. WAV files, on the other hand, can include metadata such as the title of the song, the artist, and the album.
MP3 is a compressed audio file format that is smaller than PCM files. This makes MP3 files ideal for storing and sharing audio files.To convert PCM to MP3, you'll need to use audio conversion software. Applications like Freemake Audio Converter or Any Audio Converter allow you to select the PCM file and choose MP3 as the desired output format.
Editing a PCM file can be done using audio editing software. Programs like Audacity provide tools to cut, copy, paste, and manipulate the audio data within the PCM file. You can also apply effects, adjust volume, and enhance the audio quality. Moreover, some popular options include Adobe Audition and Logic Pro.
PCM files can be compressed using a variety of audio compression algorithms. Some popular options include FLAC, AAC, and MP3. These algorithms compressing a PCM file while retaining the original quality involves converting it into a lossless compressed format, this reduces the file size without sacrificing audio quality. Tools like FLAC or dBpoweramp can help you with this process.
The best quality for a PCM file will depend on your needs. If you need the highest possible audio quality, then you should use a file with a high bit depth and sample rate. However, if you are looking to save space, then you can use a file with a lower bit depth and sample rate.
To record a PCM file, you'll need an audio recording software or digital audio workstation (DAW). Applications like Audacity, Adobe Audition, or Pro Tools allow you to record and save audio in the PCM format.
PCM files can be found in various places, including: