Cody Casey
Panning law, or pan law, is a recording and mixing principle that impacts the way a mix is approached. It governs the perceived sound level when panning a mono signal across the stereo field. In other words, pan laws determine how you perceive the sound level as the audio sweeps from one side of the stereo field to the other. The two fundamental pan laws relate to the way the material will be auditioned. If you want the panned sound to be perceived as having a constant volume regardless of the pan position, then the centre attenuation needs to be 3dB. However, if you want the panned sound to be perceived as having a constant level when summed to mono, the centre attenuation needs to be 6dB. Pan laws do impact the final result, but some people believe that the impact is minimal.
| Characteristics | Values |
|---|---|
| Definition | A recording and mixing principle that states that if one has a stereo signal, then mixes it down to monophonic, any signal of equal amplitude in both channels will increase in level by 3 dB. |
| Purpose | To govern the perceived sound level when panning a mono signal across the stereo field. |
| Impact | Can affect the way to approach a mix and impact the final result. |
| Perceived Effect | The absolute levels differ, which can be significant in some situations. |
| Applicability | Applicable when a source is being actively panned across the soundstage and you want your audience to perceive the source as remaining at a constant level as it moves around. |
| Default Settings | Not all DAWs default to the same starting mode, which can lead to mixes sounding different despite identical settings. |
| Customisation | Can be set as a global preference or on a per-track basis. |
| Flexibility | Different panning laws can be chosen to suit the application and user preference. |
| Limitations | Only matters when the pan is moved during the mixdown, either manually or through automation. |
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What You'll Learn
- The impact of pan laws on stereo music heard on mono radio or TV broadcasts
- The significance of pan laws when a source is actively panned across the soundstage
- How pan laws affect the way you approach a mix?
- The role of pan laws in ensuring a constant volume when panning a mono signal across the stereo field
- The importance of pan laws in Digital Audio Workstations (DAWs)
The impact of pan laws on stereo music heard on mono radio or TV broadcasts
Panning law, or pan law, is a recording and mixing principle that states that any signal of equal amplitude and phase that is played in both channels of a stereo system will increase in loudness up to 6.02 dBSPL, provided there is a perfect response in the loudspeaker system and perfect acoustics in the room. The idea of including a pan law is so that when one directs signals left or right with the pan pot, the perceived loudness will stay the same.
Mixing consoles can have an electronic circuit that automatically compensates so that when a signal is panned to mono, it eliminates the 3 dB rise. Different mixing consoles and recording gear have different pan law functions. For example, the pan law in Digidesign Pro Tools is 2.5 dB, while Cubase uses -3 dB for a more balanced mono mix, and 0 dB for punchier drums.
The two fundamental panning laws relate to the way the material will be auditioned. If you want the panned sound to be perceived as having a constant volume regardless of the pan position, the centre attenuation needs to be 3 dB, as this is the acoustic summation of two identical signals. However, if you want the panned sound to be perceived as having a constant level when summed to mono, the centre attenuation needs to be 6 dB, as the electrical addition of two identical signals creates a new signal with an amplitude that is 6 dB larger. This is the law to choose if your audience is likely to hear a mono sum, such as on radio or TV broadcasts.
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The significance of pan laws when a source is actively panned across the soundstage
The pan law is a recording and mixing principle that determines the perceived sound level when panning a mono signal across the stereo field or when a stereo signal is mixed down to monophonic. The pan law is significant when panning a source across the soundstage as it ensures that the source is perceived as remaining at a constant level as it moves around.
Different pan laws result in different absolute levels, which can be significant in some situations. For example, a pan law of -3 dB will result in a more balanced mix when heard in mono, while 0 dB will result in punchier drums. The choice of pan law depends on the specific requirements of the mix and the intended listening environment.
The two fundamental panning laws relate to the way the material will be auditioned. If the content will only be listened to via stereo loudspeakers, a pan law with a centre attenuation of 3 dB should be chosen. This ensures that the panned sound remains at a constant volume regardless of the pan position. On the other hand, if the content is likely to be summed to mono, such as in radio or TV broadcasts, a pan law with a centre attenuation of 6 dB should be used. This ensures that the panned sound is perceived as having a constant level when summed to mono.
It is important to note that different DAWs may default to different pan laws, which can lead to subtle but noticeable differences in mixes constructed on different DAWs but with identical fader and pan control settings. Therefore, it is essential to set the appropriate pan law for the specific application to achieve the desired results.
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How pan laws affect the way you approach a mix
Panning laws (or pan laws) are a recording and mixing principle that govern the perceived sound level when panning a mono signal across the stereo field. In other words, pan laws determine how loud a sound is perceived to be as it moves from one side of the stereo field to the other.
The two fundamental pan laws relate to the way the material will be auditioned. If you want the panned sound to be perceived as having a constant volume regardless of the pan position, then the centre attenuation needs to be 3dB. This is because the acoustic summation of two identical signals increases the perceived volume by 3dB. So this is the pan law to choose if your audience will only ever listen via stereo loudspeakers.
On the other hand, if you want the panned sound to be perceived as having a constant level when summed to mono, the centre attenuation needs to be 6dB. This is because the electrical addition of two identical signals creates a new signal with an amplitude that is 6dB larger. This is the pan law to choose if your audience is likely to hear a mono sum, such as on a radio or TV broadcast, or on a mobile phone or tablet.
Different Digital Audio Workstations (DAWs) default to different pan laws, which is why mixes constructed on different DAWs but with identical fader and pan control settings can sound subtly but noticeably different. This is also why some people believe that different pan laws result in a wider mix.
When approaching a mix, it's important to consider the pan law that will best suit the intended playback format. For example, if the mix is intended for stereo playback only, a 3dB pan law can be used to ensure a constant volume regardless of the pan position. However, if the mix is intended for mono playback, a 6dB pan law may be more appropriate to ensure a constant level when summed to mono.
Additionally, the pan law can affect the overall sound of the mix, especially if there are a lot of mono sound sources. It's important to try out different pan laws and choose one that suits the specific mix and the intended playback format.
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The role of pan laws in ensuring a constant volume when panning a mono signal across the stereo field
Panning laws play a crucial role in maintaining a constant volume when panning a mono signal across the stereo field. They govern the perceived sound level, ensuring that the volume remains consistent as the audio sweeps from one side of the stereo field to the other. This is particularly important when actively panning a source across the soundstage, as it provides a seamless listening experience for the audience.
The pan law chosen can significantly impact the overall mix, especially when dealing with multiple mono sound sources. Different pan laws result in variations in the perceived volume of the panned sound. For example, a pan law of -3dB results in a more balanced mix when heard in mono, while 0dB can deliver punchier drums, making it suitable for certain song vibes.
The two fundamental panning laws are determined by how the material will be auditioned. For stereo loudspeaker playback, a 3dB centre attenuation is chosen to ensure a constant volume, as the acoustic summation of identical signals increases the perceived volume by 3dB. On the other hand, for mono sums, such as radio or TV broadcasts, a 6dB centre attenuation is used to maintain a constant level, as the electrical addition of identical signals creates a new signal with a 6dB increase in amplitude.
The impact of pan laws is evident in situations where a mix is duplicated on different DAWs with seemingly identical settings, yet yields different results. This has sparked debates about the perceived "punchiness" or "wimpiness" of certain DAWs. Ultimately, the chosen pan law can affect the final mix, and understanding its role is crucial for achieving the desired sound.
While some argue that pan laws minimally impact their work, others have shared experiences where a slight deviation from a specific pan law resulted in noticeable differences in the overall mix. This highlights the importance of selecting a suitable pan law and consistently applying it throughout the mixing process to ensure a constant volume when panning mono signals.
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The importance of pan laws in Digital Audio Workstations (DAWs)
Panning laws, or pan laws, are an important aspect of audio engineering and have a significant impact on the final mix in Digital Audio Workstations (DAWs). They govern the perceived sound level when panning a mono signal across the stereo field. In other words, pan laws determine how the sound level is adjusted as the audio moves from one side of the stereo field to the other. This is especially important when actively panning a source across the soundstage, ensuring that the audience perceives the source as remaining at a constant level.
The two fundamental panning laws relate to the way the material will be auditioned. The first law states that if a panned sound is to be perceived acoustically as remaining at a constant volume, regardless of the pan position, the centre attenuation needs to be 3dB. This is because the acoustic summation of two identical signals increases the perceived volume by 3dB, which is the typical scenario when using stereo loudspeakers.
The second law states that if a panned sound is to be perceived as having a constant level when summed to mono, the centre attenuation needs to be 6dB. This is because the electrical addition of two identical signals creates a new signal with an amplitude that is 6dB larger. This scenario is common when the audio is likely to be heard in a mono sum, such as on radio or TV broadcasts, or on mobile devices.
Different DAWs have different default panning laws, which can lead to variations in mixes created on different DAWs, even with seemingly identical fader and pan control settings. This results in discussions about how one DAW sounds "punchier" or "wider" than another. Additionally, some mixing consoles have an electronic circuit that automatically compensates for the 3 dB rise when a signal is panned to mono, ensuring a consistent listening experience.
Ultimately, the choice of panning law depends on the specific requirements of the mix and the intended listening environment. It is recommended to experiment with different pan laws, choose the one that suits the style and preferences, and maintain consistency throughout the project.
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Frequently asked questions
Pan Law is a recording and mixing principle that states that if one has a stereo signal, and mixes it down to monophonic, any signal of equal amplitude in both channels will increase in level by 3 dB.
Yes, pan law does matter. It can have drastic effects on stereo music heard on mono radio broadcasts or TV broadcasts. It also governs the perceived sound level when panning a mono signal across the stereo field.
The choice of pan law depends on how you want your sound to be perceived. If you want the panned sound to be perceived as having a constant volume regardless of the pan position, then the centre attenuation needs to be 3 dB. If you want the panned sound to be perceived as having a constant level when summed to mono, the centre attenuation needs to be 6 dB.
There are two fundamental panning laws that relate to the way the material will be auditioned. These are based on whether you want the panned sound to be perceived as having a constant volume or a constant level.
You can typically set a global pan law as a preference, as with Steinberg Cubase or Pro Tools, for individual tracks by using a menu for a panning module, as with PreSonus Studio One.
