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WOA1 - Audio control system and related methods- Google Patents WOA1 - Audio control system and related methods- Google Patents Audio control system and related methodsInfo Publication number WOA1 WOA1 PCT/US2018/015655 USW WOA1 WO A1 WO A1 WO A1 US W US W US W WO A1 WO A1 WO A1 Authority WO WIPO (PCT) Prior art keywords audio act method comprises audio input Prior art date 2017-02-03 Application number PCT/US2018/015655 Other languages Inventor Jonathan Bailey Todd Baker Brett BUNTING Mark Ethier Matt FUERCH Original Assignee iZotope, Inc. Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 2017-02-03 Filing date 2018-01-29 Publication date 2018-02-03 Priority to US38P priority Critical 2017-02-03 Priority to US62/454,138 priority 2018-01-29 Application filed by iZotope, Inc. Filed Critical iZotope, Inc. AUDIO CONTROL SYSTEM AND RELATED METHODSBACKGROUND INFORMATIONAudio production tools exist that enable users to produce high-quality audio. For example, some audio production tools include electronic devices and/or computer software applications, and they enable users to record one or more audio sources (e.g., vocals and/or speech captured by a microphone, music played with an instrument, etc.), process the audio (e.g., to master, mix, design, and/or otherwise manipulate the audio), and/or control its playback. Audio production tools may be used to produce audio comprising music, speech, sound effects, and/or other sounds.Computer-implemented audio production tools often provide a graphical user interface with which users may complete various production tasks on audio source inputs, such as from a microphone or instrument.
For example, some tools may receive audio input and generate one or more digital representations of the input, which a user may manipulate, such as to obtain desired audio output through filtering, equalization and/or other operations.Conventional audio production tools often also enable a user to 'map' audio source inputs to corresponding tracks. In this respect, a 'track' is a component of an audio or video recording that is distinct from other components of the recording. For example, the lead vocals for a song may be mapped to one track, the drums for the song may be mapped to another track, the lead guitar may be mapped to yet another track, etc. In some situations (e.g., in live performances), multiple audio inputs may be recorded at the same time and mapped to multiple corresponding tracks, while in other situations (e.g., in recording studios), the various audio inputs collectively comprising a body of audio may be recorded at different times and mapped to corresponding tracks.BRIEF DESCRIPTION OF DRAWINGSVarious aspects and embodiments of the invention are described below with reference to the following figures.
It should be appreciated that the figures are not necessarily drawn to scale. Items appearing in multiple figures are indicated by the same reference number in all the figures in which they appear.FIG. 1A is a block diagram illustrating an audio controller of an audio recording system, according to some non-limiting embodiments.FIG. IB is a block diagram illustrating a mobile device configured to operate as part of an audio recording system, according to some non-limiting embodiments. 2 is a block diagram illustrating control inputs of the audio controller of FIG.
1 A, according to some non-limiting embodiments.FIG. 3 is a block diagram illustrating an audio recording system and a communication network, according to some non-limiting embodiments.FIG. 4A is a block diagram illustrating how multiple sequences associated with an audio input may be generated, according to some non-limiting embodiments.FIG. 4B is a schematic diagram illustrating transmissions of data sequences using the communication network of FIG. 3, according to some non-limiting embodiments.FIG. 5A is a flowchart illustrating a method for transmitting an audio input to a mobile device, according to some non-limiting embodiments. 5B is a flowchart illustrating a method for receiving an audio input with a mobile device, according to some non-limiting embodiments.FIG.
6A is a schematic diagram illustrating reception of a low resolution (LR) sequence with a mobile device, according to some non-limiting embodiments.FIG. 6B is schematic diagram illustrating a mobile device displaying a waveform, according to some non-limiting embodiments.FIG. 6C is a schematic diagram illustrating reception of a high resolution (HR) sequence with a mobile device, according to some non-limiting embodiments.FIG. 7A is a schematic diagram illustrating an example of a waveform displayed in a record mode, according to some non-limiting embodiments.
7B is a schematic diagram illustrating an example of a waveform displayed in a play mode, according to some non-limiting embodiments.FIG. 8A is a schematic diagram illustrating a mobile device configured to receive gain and pan information, according to some non-limiting embodiments.FIG.
8B is a table illustrating examples of gain and pan information, according to some non-limiting embodiments.FIG. 8C is a block diagram illustrating an example of a stereo sound system, according to some non-limiting embodiments. 8D is a flowchart illustrating a method for adjusting gain and pan, according to some non-limiting embodiments.FIG. 9A is a schematic diagram illustrating a mobile device performing a sound check routine, according to some non-limiting embodiments.FIG. 9B is a schematic diagram illustrating an example of an audio input received in a sound check routine, according to some non-limiting embodiments.FIG.
9C is a schematic diagram illustrating an example of an audio output obtained from a sound check routine, according to some non-limiting embodiments.FIG. 9D is a flowchart illustrating a method for performing a sound check routine, according to some non-limiting embodiments. 10 is a block diagram illustrating an audio recording system having a plurality of amplification stages, according to some non-limiting embodiments.FIG. 11 A is a block diagram illustrating an audio recording system having a track mapping controller, according to some non-limiting embodiments.FIG.
1 IB is a flowchart illustrating a method for automatically mapping audio inputs to tracks, according to some non-limiting embodiments.FIG. 12 is a block diagram illustrating a computer system, according to some non- limiting embodiments.DETAILED DESCRIPTION I. OverviewThe Assignee has appreciated that, for a significant number of users, conventional audio production tools suffer from four main deficiencies. First, conventional audio production tools are expensive. In this respect, many audio production tools are designed (and priced) for use byprofessional audio engineers to produce audio for professional musicians, studios and/or other high-end users. As a result, these tools are financially out of reach of many who may benefit from their features.Second, producing audio using conventional audio production tools is time- and labor- intensive, and requires specialized expertise. As one example, mapping an audio recording to a corresponding track typically requires a number of manual steps.
For example, a user may be forced to first create the new track using a software program, and then manually pair audio source input to the new track, and then ensure that the audio input is being produced and captured in the manner needed to combine the track with other tracks. This process may then be repeated for each additional track.
As a result of the time- and labor-intensive nature of many types of audio production tasks, many potential users are discouraged from using conventional audio production tools.Third, conventional audio production equipment is often bulky. Even when the tools used to process audio recordings are computer-implemented, other equipment involved in producing audio (e.g., sound production equipment like amplifiers, sound capture equipment like microphones, sound recording equipment, etc.) is often cumbersome. As a result, many users may find it inconvenient or impractical to use conventional audio production tools in certain (e.g., space-constrained) settings, and/or may be discouraged from producing audio at all if appropriate facilities are unavailable. Fourth, functionality provided by conventional audio production tools is often more advanced than the average user needs or wants. As a result, the expense, time and bulkiness associated with sophisticated conventional audio production tools may not be worthwhile for many average users.Some embodiments of the invention overcome these and other deficiencies to provide an audio production system that is less expensive, faster to set up, simpler and easier to use, and more portable than conventional audio production tools.
An audio production systemimplemented in accordance with some embodiments of the invention may be more accessible to the typical user, and easier and more enjoyable to use, than conventional audio production tools.In accordance with some embodiments of the invention, an audio production system comprises an audio controller that communicates with a mobile device. In some embodiments,the audio controller may have a relatively small form-factor, which makes it portable and easy to use in any of numerous settings. For example, in some embodiments, the audio controller may be small enough to fit in a backpack or a purse. The audio controller may include easy-to-use controls for acquiring, recording and playing back audio. Further, as described in detail below, an audio controller implemented in accordance with some embodiments may enable a user to quickly and easily create multiple tracks, stop and start recordings, discern that audio is being recorded at appropriate levels, and perform other audio production-related tasks.In some embodiments, an audio controller and mobile device may communicate wirelessly, enabling various features of the mobile device to be employed to perform audio production tasks seamlessly. For example, the mobile device's graphical user interface may be used to present controls that a user may employ to process audio that is captured by the audio controller. The mobile device's graphical user interface may enable a user to mix, cut, filter, amplify, equalize or play back captured audio.
Recorded tracks may, for example, be stored in the memory of the mobile device and be accessed for processing by a user at his/herconvenience.A graphical user interface of the mobile device may also, or alternatively, be used to provide visual feedback to a user while audio input is being captured by the audio controller, so that the user may gain confidence that audio being captured by the audio controller has any of numerous characteristics. For example, in some embodiments, the graphical user interface of the mobile device may display a waveform and/or other representation which visually represents to the user the gain level of the audio being captured by the audio controller, so that the user may be provided with visual feedback that the audio being captured by the audio controller has a suitable gain level. For example, the visual feedback may indicate that the gain level of the captured audio is within a suitable dynamic range, and/or has any other suitable characteristic(s).
In this respect, the Assignee has appreciated that the usefulness of such visual feedback is directly correlated to the visual feedback being presented to the user in real time or near real time (and indeed, that visual feedback which is delayed may confuse or frustrate the user). The Assignee has also appreciated, however, that wireless communication is commonly prone to delays and interruptions, particularly when large amounts of data are being transferred.
The method of claim 27, wherein: the audio input comprises first and second portions, received sequentially by the audio controller; the act (C) comprises transmitting the first data generated using the first and second portions to the device, and storing the second data generated using the first and second portions to memory, during the first time period; and the act (D) comprises transmitting the second data generated using the first and second portions to the device during the second time period following the first time period.
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