100 results about "Sound mixer" patented technology

The invention includes a computer implemented method for permanently aligning text utterances to their associated audio utterances. A mixer utility associated with a sound card first is found. The mixer utility, which has settings that determine an input source and an output path, is open. A first single audio utterance from a unitary audio file is played to produce a child single audio utterance. The child single audio utterance is recorded into a child audio file. This process is repeated until all first single audio utterances from the unitary audio file have been played.

A transmission device being able to launch alarm according to sound type is prepared as picking up ambient sound character and comparing it with various types of sound characters in databank then judging whether ambient sound belongs to sound type in databank or not by sound identifier, outputting alarm sound by emergency indicator if ambient sound belongs to sound type in databank and using sound mixer to output said alarm sound or to synthesize said alarm sound with sound played by sound playing unit then to output it.

Disclosed is a voice synthesis system for performing various voice synthesis functions. At least one voice synthesizer synthesizes voices, and a TTS (Text-To-Speech) matching unit for controlling the voice synthesizer converts a text coming from a client apparatus into voices by analyzing the text. The system also includes a background sound mixer for mixing a background sound with the synthesized voices received from the voice synthesizer, and a modulation effective device for imparting sound-modulation effect to the synthesized voices. Thus, the system provides the user with more services by generating synthesized voices imparted with various effects.

An audio distribution system in one embodiment includes a master device, a powered speaker unit, and an expander device. The master device has an output port for receiving a cable carrying an electrical power signal along with a digital audio signal. The speaker unit includes a first port for receiving the electrical power signal and the digital audio power signal, and a second port for sending the signals. A digital-to-analog converter in the speaker unit converts the digital audio signal to an analog audio signal, and a speaker driver uses the signal to produce sound. The expander device is electrically connectable to the second port of the speaker unit for providing electrical power to one or more further speaker units. In another embodiment, the invention provides a master mixer device and a speaker unit. The master mixer device includes a digital signal processor for receiving and separately processing a speech channel having digital audio containing speech content and a music channel having digital audio containing music content. In an embodiment a powered speaker unit employing a class D amplifier for reproducing sound is further disclosed. A digital power link in port is provided in the powered speaker for receiving a cable carrying a digital audio signal and electrical power.

The invention relates to a device for eliminating the Pop_Click noise caused by switching working mode in a DAC and a method thereof. The device comprises a chip state machine, a volume control unit, a de-emphasis / interpolation filter, a multidigit Sigma-Delta regulator and a dynamic element matching unit, a low-pass filter, a sound mixer, an output amplifying and driving unit, a selector and a noise eliminating control unit; in the working mode switching process of the chip, the noise eliminating control unit controls the volume control unit, the sound mixer and the gain change of the output amplifying driver. The invention solves the problem that voltage jump exists at the analog output terminal of an audio DAC, thus the problem that Pop_Click noise exists in the switching between normal mode and standby mode and in the electrifying and deenergizing process of the audio DAC.

Exemplary embodiments are directed to an apparatus and method for a user interface of an audio mixer intended for live performance situations where the musician can quickly and easily manipulate a plurality of audio levels and complex sound effects parameters. The user interface is comprised of a hierarchical control interaction that reduces the number of physical controls on the panel while also reducing the number of user interactions required to adjust a parameter. The user interface lends itself to remote control of an audio mixer via a four-wire digital interface.

A user of a game system can replace background music from a game with the user's selected background music, while still hearing any other audio streams (e.g. sound effects related to gameplay). A music engine and system audio mixer allow the playback of the user's requested replacement music. The game tags background music streams with an identifier indicating that they are background music, and such streams are muted at the music engine and system audio mixer (if the game is using the provided music engine in order to play the game's audio streams) or by the game if the game is using a game music engine and has received information indicating that a mute request has been issued.

The mixer insert (2) for a static mixer (1) extends in one longitudinal direction (L), the mixer insert (2) having a multitude of elements (2e) running transverse to the longitudinal direction (L) and at least two longitudinal supports (2f) running in longitudinal direction (L), and the static mixer insert (2) consisting of a multitude of base elements (2a, 2b, 2c, 2d) arranged alongside one another in longitudinal direction (L), each base element (2a, 2b, 2c, 2d) comprising a longitudinal support (2f), and the base elements (2a, 2b, 2c, 2d) and their longitudinal supports (2f) being arranged relative to one another such that a longitudinal support (2f) running over the entire length of the mixer insert (2) is present, and base elements (2a, 2b, 2c, 2d) arranged alongside one another are bonded to one another in a fixed manner at least via the longitudinal supports (2f).

A control point remotely queries and adjusts settings for multiple remote audio sources including audio input and audio output sources using standardized command messages. In one example, the command messages use Universal Plug and Play (UPnP) actions that are interpreted by a Remote Audio Device Control (RCAUD) service operating in a remote device connected to the audio sources. A control and user interface allows an operator or user to view and control the remote audio source using the standardized command messages.

The invention is based on the discovery that when the impulse response associated with the spatial direction relative to the reproduction environment can be represented graphically (12), and when the user can change the impulse response through the graphic representation (14), a graphical user interface can be relied upon to effectively and intuitively control a sound reproduction system that is capable of producing spatial sound impressions in the reproduction environment so that, based on changes in user input, the changing impulse response can be graphically represented and the changed graphical representation can be detected (16 ) to control the sound reproduction system. Since the system can theoretically describe all known linear signal processing operations by impulse responses, the graphical user interface of the present invention can provide the mixer with intuitive access to the sound effects that depend on it through a graphical representation. direction.

Once a mixer is set in a predetermined operation, an input-logical-channel selecting section supplies sound signals, input via a cascade input terminal, to an input signal processing section via an input patch section, so that the sound signals can be mixing-processed as sound signals of normal input channels. At the same time, a portion of sound signals input via an input terminal are supplied to mixing buses, so that these sound signals can be handled as cascade-related signals. In accordance with a model of another, or cascaded-to, mixer, arrangements are made such that normal-input / output-channel input terminals can be assigned to cascade input / output purposes. With a block diagram display section indicating what signals the individual input / output terminals are currently assigned to within the mixer, a user can grasp at a glance the current assignment state.

A plurality of music apparatus 10 to 30 such as an electronic musical instrument and a microphone apparatus are connected by wireless to a mixer apparatus 40. A Bluetooth module is adopted as wireless communication means to construct a piconet with mixer apparatus 40 functioning as a master and music apparatus 10 to 30 functioning as slaves. Audio signals and MIDI data from music apparatus 10 to 30 are transmitted by wireless to mixer apparatus 40 through isosynchronous communication procedure using Bluetooth modules 11, 21, 31, 41. In mixer apparatus 40, with regard to the MIDI data, music tone signals based on the MIDI data are produced, whereafter the produced music tone signals and the aforesaid audio signals transmitted by wireless are mixed. Wiring by means of cables between a plurality of music apparatus and a mixer apparatus is abolished, thereby eliminating the cumbersomeness of wiring and the restrictions accompanying the wiring.

An electromagnetic field pickup (10) for a musical instrument including an electromagnetic signal generator (12), an electromagnetic field transducer (18), a mixer (28), the electromagnetic signal generator (12), the electromagnetic field transducer (18) and the mixer (28) are respectively connected in series, the electromagnetic signal generator (12) is also connected directly to the mixer (28), so constructed and arranged that when power is supplied to the electromagnetic field pickup (10) an audio electrical signal of substantially same pitch, intonation and sustain as a vibrating element (22) of the instrument is generated.

A method for processing audio signal that includes receiving a plurality of digital audio signals and calculating signal levels of them. The next step is calculating smooth attenuation signal for each one of the input audio signals. The smooth attenuation signals are calculated according to the signal levels and smoothing criteria, such that the mixing of signals that include the input audio signals multiplied by their respective smooth attenuation signals is peak limited by a given threshold level.

The present invention discloses device for transmitting visual telephone video voice signal. Said device includes IP interface module, video decoding module 1, video decoding module 2, audio frequency decoding module 1, audio frequency decoding module 2, video synchronized module , and mixer device. Said Video synchronized module is used for overlapping synchronizing two-way code stream, conversation video signal and stream media video signal; mixer device for mixing two-way code stream. The present invention also discloses a visual telephone video voice signal transmission method. The present invention can make user terminal through same display screen and speaker both to view stream media messages and to make audio frequency video chat with opposite terminal user.

A headphone set can enable the substantially simultaneous output of two or more audio sources to a user. The audio from the multiple sources may be mixed so that a listener can hear and understand audio received from multiple audio sources. Thus, in certain embodiments, a user can consume media and also engage in conversation with other users or listen to ambient sounds, such as a telephone ringing or an alarm. Further, a mobile device, such as a mobile phone, can mix audio from multiple sources enabling a user to consume audio from the device while also listening to ambient sound or audio received from a source other than the device, using currently-available headphones.

Methods for dynamically creating polyphonic audio files on the handheld mobile wireless communication devices, creating and storing polyphonic files with limited data storage resources on wireless communications handsets by storing reference data in an audio mix data reference file 400, including file name data 410, sound effect data 420, base track data 450, and soundtrack data 450, and integrating audio data reference files and soundtrack data reference files in a polyphonic audio format file for uploading from wireless communications handsets, and combinations thereof.

The invention discloses a method for controlling multichannel sound distributing and switching of a vehicle-mounted terminal. A software sound mixer comprising a six-path input sound channel and a four-path output sound channel is arranged in the vehicle-mounted terminal; after audio signals of input video accompanying sounds, terminal station reporting sounds and terminal local prompting sounds are mixed through the software sound mixer, the video accompanying sounds and the terminal station reporting sounds are implanted on a left sound channel and a right sound channel of an HDMI signal and played through an audio / video playing device; the terminal local prompting sounds are output to a terminal local power amplifier via another two sound channels, and voice distribution on the vehicle-mounted terminal is achieved; when one video accompanying sound or terminal station reporting sound is played, volume of other audio signals decreases by controlling the software sound mixer and the implantation of and the HDMI or implantation is stopped and recovers the original state after the video accompanying sound or terminal station reporting sound is played, and switching control is achieved. By means of the method, one device can have the function of playing various sounds, and a sound system in the vehicle can be controlled to play various paths of different sounds.

A set top box is used for processing sounds and comprises a sound analyzing module, an analog-to-digital conversion module, a central processing unit, an accompaniment processing module and a digital sound mixer, wherein the sound analyzing module is used for receiving a singing sound signal and converting the received singing sound signal from a single-tone signal to a stereo signal so as to output the stereo singing sound signal; the analog-to-digital conversion module is used for converting the stereo singing sound signal into a digital singing sound signal; the central processing unit is used for outputting a first accompaniment signal; the accompaniment processing module is used for adjusting the first accompaniment signal output by the central processing unit so as to output a second accompaniment signal; the digital sound mixer is used for mixing the second accompaniment signal and the digital singing sound signal so as to output the man-machine mixing sound to the central processing unit; and the central processing unit is also used for converting the man-machine mixing sound into the digital stereo and outputting the digital stereo. The set top box reduces the processing stage number after sound digitization, thus shortening the delay time of the sound.

The invention discloses a data management platform. The data management platform is characterized by comprising a server, wherein the server is connected with the internet, the internet is also connected with a plurality of clients and a recording and broadcasting server, and the clients are connected with a corresponding judge computer, a court clerk computer, a compliant computer and a defendant computer; the recording and broadcasting server is connected with a high-definition integrated camera, a sound mixer and a scanner, and the high-definition integrated camera, the sound mixer and the scanner are mounted in a court trail field. As an improved technical scheme, the server comprises a control module, an acquisition module, a data formatting module, a data management module, a querying module and a showing module. The data management platform disclosed by the invention can be used for automatically collecting data, unifying formats, uniformly storing and managing data, querying and sharing data in various manners, and greatly solving the problems that the electronic data is hard to manage, search and share in the public security industry.

In a mixer system including a mixer engine wherein contents of signal processing can be programmed and a PC that edits the configuration of signal processing, the PC is provided with a display controller that graphically displays the edited configuration of signal processing using components for the signal processing and wires connecting nodes of the components; an accepting device that accepts designation of a node or wire whose signal is desired to be monitored, in a screen thereof; and a directing device that directs the mixer engine to output the signal from the designated node or wire to a monitoring analog signal output in accordance with the designation, and the mixer engine is provided with an outputting device that outputs a signal to the monitoring analog signal output in accordance with the direction separately from the signal processing relating to the edited signal processing configuration.

The invention provides a novel intelligent automatic audio mixing method mainly comprising the following steps: 1) receiving an audio signal from a microphone; amplifying the audio signal; comparing the amplified audio signal with the noise gate threshold level in a comparator 1, wherein only the signal higher than the noise gate threshold level can reach a comparator 2 and the method is characterized by separating all the hardware components in step 1) from the original intelligent automatic audio mixer and arranging the components as independent units; comparing the audio signal with an output signal from the comparator 2 of a previous microphone manager, and outputting to a microphone manager of the next level; carrying out such steps of transmission, comparison and changing one by one; and finally feeding the signal having a maximum value obtained through the comparison of N microphones; and 2) receiving the audio signal having the maximum value from the microphone manager; amplifying the audio signal by the amplifier; outputting the audio signal to an amplifying device; and sending a control signal to the microphone manager by a controller, wherein the hardware components in the step are arranged as independent units.

The invention discloses a digital sound mixer and an integrated power amplifier machine. An analog input circuit is electrically connected with a digital audio treatment system through an analog-digital conversion circuit. An analog input regulating circuit is electrically connected with the digital audio treatment system. A digital power amplifying treatment system is arranged at a back end of the digital audio treatment system, and a left track power amplifying output port, a right track power amplifying output port and a monitor track power amplifying output port are arranged at a back end of the digital power amplifying treatment system. The invention has the advantages that the audio frequency with 16 resolution can be generated and the accuracy can reach 1 / 24th power of 2. And the recording effect is excellent and the sound becomes purer. Multimedia port and digital ports are arranged simultaneously to satisfy the present multimedia and digital sound source requirement, etc. and the application scope is greatly enlarged. By adopting the digital mode, the sound mixer can have small volume, light weight and convenient usage and carrying.

A digital mixer has a processor capable of executing a program to constitute an audio signal processing unit corresponding to various mixer configurations. Configuration ID is attached to each mixer configuration, and the same configuration ID is attached to the mixer configurations having compatibility between their scene data which is a data set of parameters for use in operation of the audio signal processing unit. When a mixer configuration is edited, the same configuration ID as that of the mixer configuration before editing is attached to the mixer configuration after editing. Under the condition that there is a match between the configuration ID of read source and the configuration ID of write destination, the scene data accompanying each mixer configuration is written from the mixer configuration of read source to the mixer configuration of write destination.

The invention discloses a portable singing system with monitoring function, which comprises the following parts: an embedded processing unit which includes a sound frequency processor, a sound mixer, a sound frequency amplifier, a recorder and a sound processing module; an earphone which is connected with the sound mixer of the embedded processing unit through an earphone output port; and a power source which is connected with a power source input port of the embedded processing unit, wherein the sound mixer comprises an earphone sound mixer and a broadcast sound mixer and the sound frequency processor is provided with an accompanying signal output end to connect with the broadcast sound mixer and an original singing signal output end to connect with the earphone sound mixer. The broadcast sound mixer receives the true singing information and accompanying sound information and sends to a speaker. The earphone sound mixer receives the true singing information and accompanying sound information of the broadcast sound mixer and the original singing information of the sound frequency processor and sends to the earphone output port. The invention has the advantages of small volume and convenient carrying and has the function of monitoring singing.