Is PCM Better than Dolby Digital? [Detailed-Guide]

There has been a debate between the users of PCM and DObbly Digital. Some people say that PCM is better, while others say that Dolby Digital is better. However, the number of people who say PCM is good is greater than the ones who like Dolly Digital. So now the question is, is PCM better than Dolby Digital? 

We have researched in-depth both of the channel stereotypes. Here, we’ll describe both of them so you can decide which is superior. The thing that you have to do is to read the article so you can learn everything in a good way.

Without making you wait more, let’s learn which one is the best one.

What is PCM?

A technique for digitally representing sampled analogue signals is Pulse-Code Modulation (PCM). It serves as the industry standard for digital audio in applications such as digital telephony, compact discs, and computers. The analogue signal’s amplitude is quantized to the nearest value within a range of digital steps for each regularly spaced, consistently sized sample in a PCM stream.

What is Dolby Digital?

A digital audio coding method called Dolby Digital, formerly known as AC-3, lowers the amount of data required to create high-quality sound.Dolby Digital uses this characteristic of the human ear to its advantage. 

The frequency of an audio signal can conceal coding noise so that the human ear only hears the intended audio signal when the noise is near to the frequency of the audio signal. Sometimes the coding noise needs to be decreased or removed since it is not at the same frequency as the audio signal. 

The amount of data is cut in half compared to a compact disc by lowering, removing, or masking the noise (CD). High definition television (HDTV), digital cable and satellite broadcasts, as well as digital versatile discs (DVDs), all use Dolby Digital. 

It was chosen as the audio specification for digital television (DTV). The European DVB standard uses MPEG standard technology for both the audio and visual streams rather than Dolby Digital for audio.

Is PCM Better than Dolby Digital?

Now the question is, is PCM really better than Dobly digital?Thus, the answer is that it is indeed superior to Dolby Digital.Pulse code modulation frequently produces audio signals of higher quality because it uses uncompressed direct stereo. 

Dolby digital formats will increase the audio signal’s compression level so that more audio can be sent over the same bandwidth.

Many technical experts will claim that the Dolby digital technique—which produces high-quality audio with additional channels—is superior to pulse code modulation.

This is untrue and relies on the kind of sound you require and the task at hand.One should take their device settings and output requirements into account while choosing between Dolby digital and pulse code modulation.

The input options should match the underlying equipment for high-quality audio. When watching on your television from a digital video disc, for instance, pulse code modulation is advised.

When watching high definition television, Dolby Digital is recommended because there is no background noise in the audio.

It’s crucial to keep in mind that your choice when configuring the television depends on the connected equipment. Some are compatible with PCM, while others are with Dolby digital.

Each device comes with a guidebook that instructs you on how to set it up properly. It is advisable to consult the manual for instructions to prevent confusion.

Changes to the suggested technologies could result in audio and loudness loss.

PCM Is Superior To Dolby Digital For The Following Reasons:

Lets enlist all the reasons.

1. Digital Formats

Dolby uses compressed data formats that allow it to be used in surround formats and on DVDs.The pulse code modulation stereo and surround are compressed and conserved using DTS and Dolby digital algorithms.

Pulse code modulation thus becomes a better alternative than Dolby Digital depending on the needs of the data being delivered.

2. Uncompressed PCM

Pulse code modulation transmits audio without compression, minimising data loss during compression. Pulse code modulation is preferable to Dolby digital for blue-ray formats since it is somewhat more compressed.

3. Transmission mediums

Depending on the type and requirements of the sent signals, pulse code modulation sends stereo and surround sound from the source to the receiver using various techniques. 

Optical, high definition multimedia user interface, and digital coaxial are some of the techniques. High definition multimedia interface is the best solution for transmission since pulse code modulation requires a huge amount of bandwidth for the transmission of uncompressed digital formats.

High definition multimedia interface is the best solution for transmission since pulse code modulation requires a huge amount of bandwidth for the transmission of uncompressed digital formats.

Modern telephones transmit audio from the microphone to the signal processor using better pulse code modulation and pulse density modulation.

Pulse density modulation offers low disruption of the transmitted signal from other signals at a reasonable cost, whereas pulse code modulation is simple to manage.  

Related Posts:

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  2. PCM Audio VS Dolby Digital – Comparison
  3. Bitstream VS PCM – Which one is Better?
  4. PCM or Raw for Soundbar – [Detailed-Guide]
  5. Bitstream or PCM for Soundbar
  6. PCM vs Dolby Digital Sound Bar – Which One is Better?


Indeed, PCM is better than Dolby Digital. However, it still depends on your requirements. If you’re the kind of person who needs the features of Dolby Digital, then it’s not a bad one either. You can go for it. On the other hand, if PCM is able to meet your requirements, then go for this one. 

But, it can’t be denied that the PCM has more features than Digital Dolby.

We tried to explain everything in as simple a language as possible. We hope now, everything has become crystal clear to you. But, still, if there is something that you feel was a bit technical or you couldn’t catch, then you can always talk to us in the comment section. We’re always here to assist you.

Now it’s your turn. Which method have you been using so far? Your answers will be highly appreciated.

Is PCM Better than Dolby Digital

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